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<head>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis.css" type="text/css" />
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis-network.min.js"> </script>
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<div id = "mynetwork"></div>
<script type="text/javascript">
// initialize global variables.
var edges;
var nodes;
var network;
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// This method is responsible for drawing the graph, returns the drawn network
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// parsing and collecting nodes and edges from the python
nodes = new vis.DataSet([{"font": {"color": "white"}, "id": "After playing around with macro photography on-the-cheap (read: reversed lens, rev. lens mounted on a straight lens, passive extension tubes), I would like to get further with this. The problems with the techniques I used is that focus is manual and aperture control is problematic at best. This limited my setup to still subjects (read: dead insects) Now, as spring is approaching, I want to be able to shoot live insects. I believe that for this, autofocus and settable aperture will be of great help.\n\nSo, one obvious but expensive option is a macro lens (say, EF 100mm Macro) However, I am not really interested in yet another prime lens. An alternative is the electrical extension tubes.\n\nExcept for maximum focusing distance, what am I losing when using tubes (coupled with a fine lens, say EF70-200/2.8) instead of a macro lens?\n", "label": "After playing around with macro photography on-the-cheap (read: reversed lens, rev. lens mounted on a straight lens, passive extension tubes), I would like to get further with this. The problems with the techniques I used is that focus is manual and aperture control is problematic at best. This limited my setup to still subjects (read: dead insects) Now, as spring is approaching, I want to be able to shoot live insects. I believe that for this, autofocus and settable aperture will be of great help.\n\nSo, one obvious but expensive option is a macro lens (say, EF 100mm Macro) However, I am not really interested in yet another prime lens. An alternative is the electrical extension tubes.\n\nExcept for maximum focusing distance, what am I losing when using tubes (coupled with a fine lens, say EF70-200/2.8) instead of a macro lens?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "LIFE_ARTS", "label": "LIFE_ARTS", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I am trying to make a binary image. I want more than just the look of the image to be black/white, but I want the actual file to be a binary file. Every pixel should be either black, or white. \n\nI don\u0027t just want a monochrome image. I can\u0027t have varying shades of gray, every pixel needs to be black or white.\n\nIs this possible? I looked under Image \u003e Mode but nothing there seems to indiciate a binary style image.\n", "label": "I am trying to make a binary image. I want more than just the look of the image to be black/white, but I want the actual file to be a binary file. Every pixel should be either black, or white. \n\nI don\u0027t just want a monochrome image. I can\u0027t have varying shades of gray, every pixel needs to be black or white.\n\nIs this possible? I looked under Image \u003e Mode but nothing there seems to indiciate a binary style image.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I\u0027m reading this description on sensor size:\n\n\n Digital compact cameras have substantially smaller sensors offering a\n similar number of pixels. As a consequence, the pixels are much\n smaller, which is a key reason for the image quality difference,\n especially in terms of noise and dynamic range.\n\n\nCould you please elaborate on the last sentence: what\u0027s the relation between sensor size and image quality? In particular, what are the advantages and disadvantages of a small sensor (of a compact camera, in contrast to a large sensor of a DSLR camera)?\n", "label": "I\u0027m reading this description on sensor size:\n\n\n Digital compact cameras have substantially smaller sensors offering a\n similar number of pixels. As a consequence, the pixels are much\n smaller, which is a key reason for the image quality difference,\n especially in terms of noise and dynamic range.\n\n\nCould you please elaborate on the last sentence: what\u0027s the relation between sensor size and image quality? In particular, what are the advantages and disadvantages of a small sensor (of a compact camera, in contrast to a large sensor of a DSLR camera)?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "What filter should I use to avoid whitened images (blown highlights) caused by intense daylight? At the moment I am only using an UV Filter, but it doesn\u0027t solve the whole problem.\n\nI am a newbie in photography, and I\u0027ve recently bought a Nikon DSLR.\n", "label": "What filter should I use to avoid whitened images (blown highlights) caused by intense daylight? At the moment I am only using an UV Filter, but it doesn\u0027t solve the whole problem.\n\nI am a newbie in photography, and I\u0027ve recently bought a Nikon DSLR.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I am trying to understand what kinds of places the spam values on p 231 refer to in the 5th Edition main book for Shadowrun.\n\nPer p 15, a sprawl is a plex, a plex is a \"metropolitan complex, short for metroplex\". Per Google a metroplex is \" a very large metropolitan area, especially one that is an aggregation of two or more cities\". A city downtown and sprawl downtown would tend to have similar densities, but for some reason the sprawl (which includes suburbs?) has a higher spam zone noise rating (p 231). Similarly, I\u0027d think of a downtown as being more dense and noisy (e.g. Office buildings and street vendors) than a commercial district, e.g. an outdoor mall. The noise ratings make me think that I am thinking about this incorrectly. What is a better way of thinking of them?\n", "label": "I am trying to understand what kinds of places the spam values on p 231 refer to in the 5th Edition main book for Shadowrun.\n\nPer p 15, a sprawl is a plex, a plex is a \"metropolitan complex, short for metroplex\". Per Google a metroplex is \" a very large metropolitan area, especially one that is an aggregation of two or more cities\". A city downtown and sprawl downtown would tend to have similar densities, but for some reason the sprawl (which includes suburbs?) has a higher spam zone noise rating (p 231). Similarly, I\u0027d think of a downtown as being more dense and noisy (e.g. Office buildings and street vendors) than a commercial district, e.g. an outdoor mall. The noise ratings make me think that I am thinking about this incorrectly. What is a better way of thinking of them?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "CULTURE", "label": "CULTURE", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "An affidavit, from what i understand, is basically a signed document given by a witness to be used as evidence in a trial, without the witness themselves needing to take a stand.\n\nCan an affidavit be used in Beit Din? Or must witnesses take the stand in person for their testimony to count?\n\n(In case i\u0027m misunderstanding what exactly an affidavit is, simply treat it as a signed document by a witness with their testimony.)\n", "label": "An affidavit, from what i understand, is basically a signed document given by a witness to be used as evidence in a trial, without the witness themselves needing to take a stand.\n\nCan an affidavit be used in Beit Din? Or must witnesses take the stand in person for their testimony to count?\n\n(In case i\u0027m misunderstanding what exactly an affidavit is, simply treat it as a signed document by a witness with their testimony.)\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "Ok, I was kind of surprised that this hadn\u0027t been asked here before, but maybe it\u0027s too technical for this site. You guys decide.\n\nI\u0027ve heard lots of different stories about setting up Wine on Ubuntu, WineTricks, PlayOnLinux etc., but never a \u0027This is the best way to do it for Steam and Steam games\u0027 thread.\n\nSo has anyone had any real success getting their Steam games to run on Ubuntu through Wine or something similar? If so, could we get some specific steps?\n", "label": "Ok, I was kind of surprised that this hadn\u0027t been asked here before, but maybe it\u0027s too technical for this site. You guys decide.\n\nI\u0027ve heard lots of different stories about setting up Wine on Ubuntu, WineTricks, PlayOnLinux etc., but never a \u0027This is the best way to do it for Steam and Steam games\u0027 thread.\n\nSo has anyone had any real success getting their Steam games to run on Ubuntu through Wine or something similar? If so, could we get some specific steps?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I just started playing Dead Rising 3 on the Xbox One. I got to the first grapple, and I can\u0027t figure out what I\u0027m supposed to do. The top of the screen says \"Perform a gesture to escape a grapple\" - what does \"gesture\" mean in this context? Is it something to do with Kinect?\n", "label": "I just started playing Dead Rising 3 on the Xbox One. I got to the first grapple, and I can\u0027t figure out what I\u0027m supposed to do. The top of the screen says \"Perform a gesture to escape a grapple\" - what does \"gesture\" mean in this context? Is it something to do with Kinect?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I tend to stay at smaller boutique hotels or local apartments when I visit a city but recently due to some credit card issues I will need to depend on prepaid Visa. But I noticed when I try to shop online a lot of retailers don\u0027t accept prepaid credit cards so I\u0027m thinking hotels would be even stricter. Is there a list somewhere of countries or particular hotel chains than ban prepaid cards? If so, how does one book online or reserve a room without a card? Do all hotels worldwide accept cash?\n", "label": "I tend to stay at smaller boutique hotels or local apartments when I visit a city but recently due to some credit card issues I will need to depend on prepaid Visa. But I noticed when I try to shop online a lot of retailers don\u0027t accept prepaid credit cards so I\u0027m thinking hotels would be even stricter. Is there a list somewhere of countries or particular hotel chains than ban prepaid cards? If so, how does one book online or reserve a room without a card? Do all hotels worldwide accept cash?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "The manual for my 2003 VW TDI says to change the oil every 12 months or 10,000 miles. My dealer says every 6 months or 5,000 miles.\n\nAre they just trying to make twice as much money off my oil changes, or is there a legitimate reason to change the oil twice as often as VW originally printed in the book?\n", "label": "The manual for my 2003 VW TDI says to change the oil every 12 months or 10,000 miles. My dealer says every 6 months or 5,000 miles.\n\nAre they just trying to make twice as much money off my oil changes, or is there a legitimate reason to change the oil twice as often as VW originally printed in the book?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I have seen this question about updates of the D\u0026amp;D 4th Edition books, and it got me thinking.\nSince I got my Kindle I have not read a single paper novel; they have fewer drawbacks compared to digital copies than rpg rulebooks.\n\n\nDead-tree types have some benefits like looking good on a bookshelf, but any ebook reader weighs less with 100 novels than the usual hard-cover book. \nIf you want to look for the damage of Ares Alpha, even with a half-decent tablet it takes less than 2 seconds. \nDigital copies do not get worn, they never get unwanted earmarks, but you can bookmark them.\nRulebooks do get updates, and unless you are willing to take a pen to your book, your hard copies will never contain them. The pdfs can be edited and resent to the buyers. \nEven better is the WotC approach with the DDI, you can look up any monster or item or (almost any) rule, in the most recent form, for 3 years at the cost of seven books. \n\n\nI think this is the way to go, even considering the horribly slow character builder. Although I must admit good illustration can help build the athmosphere.\n\nSo what am I missing? Why are people buying rpg rulebooks in paper format? Why are books even published, I do not need to know if feats are supposed to be on the right page and skills on the left, I just want a list of them, filterable any way I want. \n\nIs this just a necessary part of earning money? I understand that pdfs are copied illegally, but the Compendium is not. \n", "label": "I have seen this question about updates of the D\u0026amp;D 4th Edition books, and it got me thinking.\nSince I got my Kindle I have not read a single paper novel; they have fewer drawbacks compared to digital copies than rpg rulebooks.\n\n\nDead-tree types have some benefits like looking good on a bookshelf, but any ebook reader weighs less with 100 novels than the usual hard-cover book. \nIf you want to look for the damage of Ares Alpha, even with a half-decent tablet it takes less than 2 seconds. \nDigital copies do not get worn, they never get unwanted earmarks, but you can bookmark them.\nRulebooks do get updates, and unless you are willing to take a pen to your book, your hard copies will never contain them. The pdfs can be edited and resent to the buyers. \nEven better is the WotC approach with the DDI, you can look up any monster or item or (almost any) rule, in the most recent form, for 3 years at the cost of seven books. \n\n\nI think this is the way to go, even considering the horribly slow character builder. Although I must admit good illustration can help build the athmosphere.\n\nSo what am I missing? Why are people buying rpg rulebooks in paper format? Why are books even published, I do not need to know if feats are supposed to be on the right page and skills on the left, I just want a list of them, filterable any way I want. \n\nIs this just a necessary part of earning money? I understand that pdfs are copied illegally, but the Compendium is not. \n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "My friends own a Minecraft server and I was playing around with commands when I teleported to y 100000000000000000000000000000000 just because I wanted to see how high maps could go. That was a big mistake. Now every time I go on the server I crash. \n\nI don\u0027t have access to the server files and I don\u0027t have the owner\u0027s email or phone number or anything and I\u0027m the only one that plays on the server. I know that one solution is to make a new Minecraft character but that would involve me to pay. \n\nIs there some way I can delete my player information or change the location without access to the server files? I don\u0027t want to leave the server because I\u0027ve been building a castle for 3 months now and I don\u0027t want to give up that easy.\n", "label": "My friends own a Minecraft server and I was playing around with commands when I teleported to y 100000000000000000000000000000000 just because I wanted to see how high maps could go. That was a big mistake. Now every time I go on the server I crash. \n\nI don\u0027t have access to the server files and I don\u0027t have the owner\u0027s email or phone number or anything and I\u0027m the only one that plays on the server. I know that one solution is to make a new Minecraft character but that would involve me to pay. \n\nIs there some way I can delete my player information or change the location without access to the server files? I don\u0027t want to leave the server because I\u0027ve been building a castle for 3 months now and I don\u0027t want to give up that easy.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "It came up in Dresden Files, but is not limited to that game, you can find the term in DnD as well. I would like to know what it means. \n\nIf you look for Cold Iron on Wikipedia, you only get iron: \n\"Cold iron is a poetic and archaic term for iron.\"\nThis would imply everything made mostly from Fe is cold iron. Clearly, this is not the case, in every game Cold Iron is something special, the every day sword is not made out of it. \n\nThe Dresden Files rulebook is not very specific about it:\n\n\n something that anyone could reasonably get access to, but usually doesn\u2019t carry on them (like cold iron) page 185.\n\n\nWhat is cold iron?\nHow do I create cold iron?\nHow do I get cold iron? \n\nTo make the question easier to understand, compare Cold Iron to Holy Water. You know how it is different from usual Water, you know how you get it or create it. \n", "label": "It came up in Dresden Files, but is not limited to that game, you can find the term in DnD as well. I would like to know what it means. \n\nIf you look for Cold Iron on Wikipedia, you only get iron: \n\"Cold iron is a poetic and archaic term for iron.\"\nThis would imply everything made mostly from Fe is cold iron. Clearly, this is not the case, in every game Cold Iron is something special, the every day sword is not made out of it. \n\nThe Dresden Files rulebook is not very specific about it:\n\n\n something that anyone could reasonably get access to, but usually doesn\u2019t carry on them (like cold iron) page 185.\n\n\nWhat is cold iron?\nHow do I create cold iron?\nHow do I get cold iron? \n\nTo make the question easier to understand, compare Cold Iron to Holy Water. You know how it is different from usual Water, you know how you get it or create it. \n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I\u0027m working on a PCB that has through-hole components on both sides of the board. The \"top\" side of the board is mounted flush to a Delrin plastic block (the only top-side component is a gas sensor that is fed air samples through hose fittings in the plastic block).\n\nThe flush mounting means that I have to add grooves to the plastic block to accommodate the soldered pins of the bottom-side components. Assuming a standard 0.062\" thickness FR4 board, how deep do I need to make the grooves in the plastic block? The only thing I could find is this NASA workmanship standard that states 0.5mm to 2.29mm, but I\u0027m not sure if that will always hold true.\n", "label": "I\u0027m working on a PCB that has through-hole components on both sides of the board. The \"top\" side of the board is mounted flush to a Delrin plastic block (the only top-side component is a gas sensor that is fed air samples through hose fittings in the plastic block).\n\nThe flush mounting means that I have to add grooves to the plastic block to accommodate the soldered pins of the bottom-side components. Assuming a standard 0.062\" thickness FR4 board, how deep do I need to make the grooves in the plastic block? The only thing I could find is this NASA workmanship standard that states 0.5mm to 2.29mm, but I\u0027m not sure if that will always hold true.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "SCIENCE", "label": "SCIENCE", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I am asking this question completely out of curiosity. The other day, my roommate, by mistake, used \u0027Light year\u0027 as a unit of time instead of distance. When I corrected him (pedantic, much), he said the following:\n\n\"Units are relative. And according to Fourier Transforms, units can be changed so Light year is a unit of time.\"\n\nThat got me thinking and I read up Fourier Transforms on wikipedia but couldn\u0027t find anything about using a unit in one domain as a unit for another measurement. I do agree that units (particularly, base units are relative. eg: the meter), but does his statement make any sense?\n\nEDIT\nThank you everyone for all the answers. It isn\u0027t so much to in it in or prove a point as it is to understand the concept better. Anyways this is his response after I showed him this thread. Any comments would be appreciated.\n\nHis response:\nNevermind, for the first time I accept I was wrong. BUT using lightyears to measure time is possible. My example didn\u0027t make sense bacause I was wrong when I meantioned that I\u0027m still measuring dist. If you have a signal in time domain and ...take the FT, I get a signal which DOES NOT HAVE to be in frequency domain. Clarify this to the guy who posted last. Now the new signal is in a domain defined by me and so is its units. This signal although not equal to the original signal, still represents that if ya take an inverse FT. So, the idea of time will still be there. Now coming back to our case: lightyears here is not the lightyears you are used to read when dealing with distance. It represents time.\n", "label": "I am asking this question completely out of curiosity. The other day, my roommate, by mistake, used \u0027Light year\u0027 as a unit of time instead of distance. When I corrected him (pedantic, much), he said the following:\n\n\"Units are relative. And according to Fourier Transforms, units can be changed so Light year is a unit of time.\"\n\nThat got me thinking and I read up Fourier Transforms on wikipedia but couldn\u0027t find anything about using a unit in one domain as a unit for another measurement. I do agree that units (particularly, base units are relative. eg: the meter), but does his statement make any sense?\n\nEDIT\nThank you everyone for all the answers. It isn\u0027t so much to in it in or prove a point as it is to understand the concept better. Anyways this is his response after I showed him this thread. Any comments would be appreciated.\n\nHis response:\nNevermind, for the first time I accept I was wrong. BUT using lightyears to measure time is possible. My example didn\u0027t make sense bacause I was wrong when I meantioned that I\u0027m still measuring dist. If you have a signal in time domain and ...take the FT, I get a signal which DOES NOT HAVE to be in frequency domain. Clarify this to the guy who posted last. Now the new signal is in a domain defined by me and so is its units. This signal although not equal to the original signal, still represents that if ya take an inverse FT. So, the idea of time will still be there. Now coming back to our case: lightyears here is not the lightyears you are used to read when dealing with distance. It represents time.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I was browsing through Foundations of Space and Time, a compilation of essays on various theories of quantum gravity. The following passage in the introduction intrigued me:\n\n\n Each compactification leads to a different vacuum state.... at least one state should describe our Universe in its entirety.... the enormous number (~10^500 at last count) of solutions, with no perturbative mechanism to select mechanism to select among them, leads some critics to question the predictive power of the theory..Even more worrying is that, while the theory is perturbatively finite order by order, the perturbation series does not seem to converge.\n\n\nI don\u0027t know anything about string theory and so I could not make head or tails this. All I know is that ~$10^{500}$ is a very large number. \n\n\nWhat exactly is a \u0027solution\u0027 in string theory? Is it a spacetime metric of some sort or the terms of a S-matrix of some sort? \nWhy are there so many \u0027solutions\u0027? \nI thought string theory was supposed to be finite, why do perturbative series still diverge?\nIs there any experimental technique to limit the number of \u0027solutions\u0027? \nWill experimental techniques be able to pinpoint a solution within present day string theorists\u0027 lifetimes too? If not, how long will it take before we can experimentally probe these things? \nAre string theorists completely relaxed about these issues? Or are they in anguish? \n\n", "label": "I was browsing through Foundations of Space and Time, a compilation of essays on various theories of quantum gravity. The following passage in the introduction intrigued me:\n\n\n Each compactification leads to a different vacuum state.... at least one state should describe our Universe in its entirety.... the enormous number (~10^500 at last count) of solutions, with no perturbative mechanism to select mechanism to select among them, leads some critics to question the predictive power of the theory..Even more worrying is that, while the theory is perturbatively finite order by order, the perturbation series does not seem to converge.\n\n\nI don\u0027t know anything about string theory and so I could not make head or tails this. All I know is that ~$10^{500}$ is a very large number. \n\n\nWhat exactly is a \u0027solution\u0027 in string theory? Is it a spacetime metric of some sort or the terms of a S-matrix of some sort? \nWhy are there so many \u0027solutions\u0027? \nI thought string theory was supposed to be finite, why do perturbative series still diverge?\nIs there any experimental technique to limit the number of \u0027solutions\u0027? \nWill experimental techniques be able to pinpoint a solution within present day string theorists\u0027 lifetimes too? If not, how long will it take before we can experimentally probe these things? \nAre string theorists completely relaxed about these issues? Or are they in anguish? \n\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I am very familiar with the concept of a potential function, and potential energy, from calculus-based physics.\n\nFor instance, if we have the familiar force field $\\mathbf{F} = -mg \\,\\mathbf{j}$, then a potential function is given by $U = mgy + C$. (Since potential energy is relative, we have an infinite number of potential functions.)\n\nNotice that the gradient of the potential function is the negative of the force field: $$\\nabla U = \\nabla(mgy + C) = mg \\,\\mathbf{j} = -\\mathbf{F}.$$\n\nThat was perfectly fine with me. But now in vector calculus, I am reading that the potential function $f$ of a vector function $\\mathbf{F}$ is such that $\\nabla f = \\mathbf{F}$. A negative sign appears to have been lost when migrating from physics to calculus.\n\nIt seems confusing to call $f$ a \"potential function\", since it cannot be interpreted as potential energy in the real world. So why is the calculus nomenclature as it is (i.e., why not call this something else and then say the potential function is the negative of it)?\n", "label": "I am very familiar with the concept of a potential function, and potential energy, from calculus-based physics.\n\nFor instance, if we have the familiar force field $\\mathbf{F} = -mg \\,\\mathbf{j}$, then a potential function is given by $U = mgy + C$. (Since potential energy is relative, we have an infinite number of potential functions.)\n\nNotice that the gradient of the potential function is the negative of the force field: $$\\nabla U = \\nabla(mgy + C) = mg \\,\\mathbf{j} = -\\mathbf{F}.$$\n\nThat was perfectly fine with me. But now in vector calculus, I am reading that the potential function $f$ of a vector function $\\mathbf{F}$ is such that $\\nabla f = \\mathbf{F}$. A negative sign appears to have been lost when migrating from physics to calculus.\n\nIt seems confusing to call $f$ a \"potential function\", since it cannot be interpreted as potential energy in the real world. So why is the calculus nomenclature as it is (i.e., why not call this something else and then say the potential function is the negative of it)?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "In response to my previous question, I\u0027ve been reading up a little bit on poly-D-lysine, Collagen I, Collagen IV, laminin, and other tissue culture coatings that promote cell adhesion. I\u0027ve always assumed that anything other than standard TC-treated plastic or glass would significantly increase background, but perhaps my views on background fluorescence are a little outdated. Does anybody have experience with these in a fluorescent microscopy/high-throughput screening environment?\n\nSpecifically in my case, I\u0027m looking at endocytosis and trafficking of a labeled protein into the lysosome. I\u0027m labeling the protein with the pH-dependent dye pHrodoTM from Molecular Probes, which supposedly has very little fluorescence at neutral pH, but becomes very bright as the pH drops when endocytic vesicles become lysosomes. This theoretically means that a final wash step is not needed, but with a matrix coating on the plates I\u0027m worried about background.\n\nSo, what is the current thinking as far as background fluorescence of the various TC matrices is concerned? Does the background come from the matrix itself, or by the fluorescent dye becoming adsorbed to it? Is it wavelength-dependent? Fortunately I may not be stuck with my poorly-adhering cells, and I may not need supplemental matrix at all in the end, but I still want a better understanding of how it works.\n", "label": "In response to my previous question, I\u0027ve been reading up a little bit on poly-D-lysine, Collagen I, Collagen IV, laminin, and other tissue culture coatings that promote cell adhesion. I\u0027ve always assumed that anything other than standard TC-treated plastic or glass would significantly increase background, but perhaps my views on background fluorescence are a little outdated. Does anybody have experience with these in a fluorescent microscopy/high-throughput screening environment?\n\nSpecifically in my case, I\u0027m looking at endocytosis and trafficking of a labeled protein into the lysosome. I\u0027m labeling the protein with the pH-dependent dye pHrodoTM from Molecular Probes, which supposedly has very little fluorescence at neutral pH, but becomes very bright as the pH drops when endocytic vesicles become lysosomes. This theoretically means that a final wash step is not needed, but with a matrix coating on the plates I\u0027m worried about background.\n\nSo, what is the current thinking as far as background fluorescence of the various TC matrices is concerned? Does the background come from the matrix itself, or by the fluorescent dye becoming adsorbed to it? Is it wavelength-dependent? Fortunately I may not be stuck with my poorly-adhering cells, and I may not need supplemental matrix at all in the end, but I still want a better understanding of how it works.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I am creating an HTML table with jQuery\u0027s DataTables plug-in. I would like to know if there is a way to group a number of columns together with a Title which describes what the grouping represents. \n\nIn my specific case, 3 of my columns will display an address (Street, City, State). I\u0027d like them to have an additional border around just those columns with a title that indicates to the end-user that those 3 columns represent the address.\n\nI\u0027m considering just changing the background color of those 3 columns which will do the job but I\u0027m wanting the Address title to be displayed. I\u0027ve seen that rows can be grouped together and sections divided by separators; however, I haven\u0027t yet come across anything that makes it possible to group columns together.\n", "label": "I am creating an HTML table with jQuery\u0027s DataTables plug-in. I would like to know if there is a way to group a number of columns together with a Title which describes what the grouping represents. \n\nIn my specific case, 3 of my columns will display an address (Street, City, State). I\u0027d like them to have an additional border around just those columns with a title that indicates to the end-user that those 3 columns represent the address.\n\nI\u0027m considering just changing the background color of those 3 columns which will do the job but I\u0027m wanting the Address title to be displayed. I\u0027ve seen that rows can be grouped together and sections divided by separators; however, I haven\u0027t yet come across anything that makes it possible to group columns together.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "STACKOVERFLOW", "label": "STACKOVERFLOW", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "My question is probably not related to Ubuntu in particular, but since my desktop running this OS, I came to this forum.\n\nI am trying to change the core file size using ulimit -c command as follows:\n\n$ ulimit -a\ncore file size (blocks, -c) 0\ndata seg size (kbytes, -d) unlimited\nscheduling priority (-e) 0\nfile size (blocks, -f) unlimited\npending signals (-i) 7959\nmax locked memory (kbytes, -l) 64\nmax memory size (kbytes, -m) unlimited\nopen files (-n) 1024\npipe size (512 bytes, -p) 8\nPOSIX message queues (bytes, -q) 819200\nreal-time priority (-r) 0\nstack size (kbytes, -s) 8192\ncpu time (seconds, -t) unlimited\nmax user processes (-u) 1024\nvirtual memory (kbytes, -v) unlimited\nfile locks (-x) unlimited\n\n\nChanging the limitation:\n\n$ ulimit -c unlimited\n\n\nObserving the result:\n\n$ ulimit -a\ncore file size (blocks, -c) unlimited\ndata seg size (kbytes, -d) unlimited\nscheduling priority (-e) 0\nfile size (blocks, -f) unlimited\npending signals (-i) 7959\nmax locked memory (kbytes, -l) 64\nmax memory size (kbytes, -m) unlimited\nopen files (-n) 1024\npipe size (512 bytes, -p) 8\nPOSIX message queues (bytes, -q) 819200\nreal-time priority (-r) 0\nstack size (kbytes, -s) 8192\ncpu time (seconds, -t) unlimited\nmax user processes (-u) 1024\nvirtual memory (kbytes, -v) unlimited\nfile locks (-x) unlimited\n\n\nIndeed the limit is changed.\nHowever, when I open another terminal and check the value, I still see zero value in core file size.\n\nQuestions:\n\n\nAre changes made using ulimit command affect only current process, i.e. in this case the bash?\nI launch a program from shell as a fore- or-background process. Does the ulimit change apply for new process ?\nHow can I make that all user processes are affected with this configuration ?\n\n", "label": "My question is probably not related to Ubuntu in particular, but since my desktop running this OS, I came to this forum.\n\nI am trying to change the core file size using ulimit -c command as follows:\n\n$ ulimit -a\ncore file size (blocks, -c) 0\ndata seg size (kbytes, -d) unlimited\nscheduling priority (-e) 0\nfile size (blocks, -f) unlimited\npending signals (-i) 7959\nmax locked memory (kbytes, -l) 64\nmax memory size (kbytes, -m) unlimited\nopen files (-n) 1024\npipe size (512 bytes, -p) 8\nPOSIX message queues (bytes, -q) 819200\nreal-time priority (-r) 0\nstack size (kbytes, -s) 8192\ncpu time (seconds, -t) unlimited\nmax user processes (-u) 1024\nvirtual memory (kbytes, -v) unlimited\nfile locks (-x) unlimited\n\n\nChanging the limitation:\n\n$ ulimit -c unlimited\n\n\nObserving the result:\n\n$ ulimit -a\ncore file size (blocks, -c) unlimited\ndata seg size (kbytes, -d) unlimited\nscheduling priority (-e) 0\nfile size (blocks, -f) unlimited\npending signals (-i) 7959\nmax locked memory (kbytes, -l) 64\nmax memory size (kbytes, -m) unlimited\nopen files (-n) 1024\npipe size (512 bytes, -p) 8\nPOSIX message queues (bytes, -q) 819200\nreal-time priority (-r) 0\nstack size (kbytes, -s) 8192\ncpu time (seconds, -t) unlimited\nmax user processes (-u) 1024\nvirtual memory (kbytes, -v) unlimited\nfile locks (-x) unlimited\n\n\nIndeed the limit is changed.\nHowever, when I open another terminal and check the value, I still see zero value in core file size.\n\nQuestions:\n\n\nAre changes made using ulimit command affect only current process, i.e. in this case the bash?\nI launch a program from shell as a fore- or-background process. Does the ulimit change apply for new process ?\nHow can I make that all user processes are affected with this configuration ?\n\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "TECHNOLOGY", "label": "TECHNOLOGY", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "We are running Windows Server 2008r2 on VMware and are experiencing extremely high memory use when nothing is running. The server memory usages slowly creeps up to 98-99%. The server is configured to use 8GB of memory. Is there some setting we should be using so the server can better manage it\u0027s memory usage. It\u0027s behaving as if there is a memory leak.\n", "label": "We are running Windows Server 2008r2 on VMware and are experiencing extremely high memory use when nothing is running. The server memory usages slowly creeps up to 98-99%. The server is configured to use 8GB of memory. Is there some setting we should be using so the server can better manage it\u0027s memory usage. It\u0027s behaving as if there is a memory leak.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "This is an issue that really limits my enjoyment of Linux. If the application isn\u0027t on a repository or if it doesn\u0027t have an installer script, then I really struggle where and how to install an application from source.\n\nComparatively to Windows, it\u0027s easy. You\u0027re (pretty much) required to use an installer application that does all of the work in a Wizard. With Linux... not so much.\n\nSo, do you have any tips or instructions on this or are there any websites that explicitly explain how, why and where to install Linux programs from source? \n", "label": "This is an issue that really limits my enjoyment of Linux. If the application isn\u0027t on a repository or if it doesn\u0027t have an installer script, then I really struggle where and how to install an application from source.\n\nComparatively to Windows, it\u0027s easy. You\u0027re (pretty much) required to use an installer application that does all of the work in a Wizard. With Linux... not so much.\n\nSo, do you have any tips or instructions on this or are there any websites that explicitly explain how, why and where to install Linux programs from source? \n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I\u0027m really having trouble tracking down some blocking we are experiencing.\n\nThe root blocking SPID\u0027s status is \u0027sleeping\u0027, the cmd is \u0027AWAITING COMMAND\u0027, and the sqltext is \u0027SET TRANSACTION ISOLATION LEVEL READ COMMITTED\u0027.\n\nWhen I view the Top Transactions by Blocked Transactions Count report, the Blocking SQL Statement is \u0027--\u0027.\n\nI\u0027ve performed a trace on the SQL and when the blocking happens tracing the root blocking SPID but it hasn\u0027t really led me anywhere. The last trace statement is the same as the sqltext above \u0027SET TRANSACTION ISOLATION LEVEL READ COMMITTED\u0027.\n\nI\u0027ve checked all the related SPROCs I can find to make sure they have TRY/CATCH BEGIN TRAN/COMMIT TRAN/ROLLBACK TRAN statements (we use SPROCs for everything so there are no standalone statements being ran). This issue just started happening over the last 24 hours and no one is claiming to have made any changes to the system.\n\nSolution. One of our seldomly used SPROCs had an error with an insert (number of columns didn\u0027t match), but we are still confused on what exactly was happening.\n\nWhen looking at all the trace information, the EXEC statement for this SPROC was listed at times, but NEVER just before the BLOCK happened on the blockking SPID. It seemed that when it starting blocking, the trace didn\u0027t record the execution of it (or any of the statements within it either). However there are other times were the trace did record it\u0027s execution and no blocking occurred.\n\nThe SPROC error report came from a user, and I was able to find multiple EXEC statements in traces and run them in SSMS. No time when I ran them did we have any blocking occur or did they hang. They ran as expected (the catch block fired and rolled back the transaction after the error). After resolving the fixing the SPROC, we have not seen the issue again.\n", "label": "I\u0027m really having trouble tracking down some blocking we are experiencing.\n\nThe root blocking SPID\u0027s status is \u0027sleeping\u0027, the cmd is \u0027AWAITING COMMAND\u0027, and the sqltext is \u0027SET TRANSACTION ISOLATION LEVEL READ COMMITTED\u0027.\n\nWhen I view the Top Transactions by Blocked Transactions Count report, the Blocking SQL Statement is \u0027--\u0027.\n\nI\u0027ve performed a trace on the SQL and when the blocking happens tracing the root blocking SPID but it hasn\u0027t really led me anywhere. The last trace statement is the same as the sqltext above \u0027SET TRANSACTION ISOLATION LEVEL READ COMMITTED\u0027.\n\nI\u0027ve checked all the related SPROCs I can find to make sure they have TRY/CATCH BEGIN TRAN/COMMIT TRAN/ROLLBACK TRAN statements (we use SPROCs for everything so there are no standalone statements being ran). This issue just started happening over the last 24 hours and no one is claiming to have made any changes to the system.\n\nSolution. One of our seldomly used SPROCs had an error with an insert (number of columns didn\u0027t match), but we are still confused on what exactly was happening.\n\nWhen looking at all the trace information, the EXEC statement for this SPROC was listed at times, but NEVER just before the BLOCK happened on the blockking SPID. It seemed that when it starting blocking, the trace didn\u0027t record the execution of it (or any of the statements within it either). However there are other times were the trace did record it\u0027s execution and no blocking occurred.\n\nThe SPROC error report came from a user, and I was able to find multiple EXEC statements in traces and run them in SSMS. No time when I ran them did we have any blocking occur or did they hang. They ran as expected (the catch block fired and rolled back the transaction after the error). After resolving the fixing the SPROC, we have not seen the issue again.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "can someone read through this script really quick and verify that I didn\u0027t miss anything... I\u0027m not getting any errors in my IDE so just have to make sure the structure is correct\n\n\u0026lt;?php\nrequire_once \u0027/usr/local/cpanel/3rdparty/lib/php/Mail.php\u0027;\n\n$db_server = \u0027localhost\u0027;\n$db_user = \u0027-----\u0027;\n$db_pass = \u0027-----\u0027;\n\n$dbc = mysql_connect ($db_server, $db_user, $db_pass);\nif (!$dbc) { \n die(mysql_error());\n header (\u0027Location: /contact\u0027);\n exit;\n}\n\nif ($_POST[\u0027contactsent\u0027] != \u0027yes\u0027) {\n header (\u0027Location: /contact\u0027);\n exit;\n\n} else {\n\n if (is_array($_POST)) {\n foreach ($_POST as $key =\u0026gt; $value) {\n $_POST[$key] = mysql_real_escape_string(stripslashes($value));\n }\n }\n\n $RequestType = $_POST[\"RequestType\"];\n $ConsumerBusiness = $_POST[\"ConsumerBusiness\"];\n $GlobalLocation = $_POST[\"GlobalLocation\"];\n $FirstName = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"FirstName\"]));\n $FirstName = strtoupper(substr($FirstName,0,1)).substr($FirstName,1);\n $LastName = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"LastName\"]));\n $LastName = strtoupper(substr($LastName,0,1)).substr($LastName,1);\n $Email = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Email\"]));\n $Title = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Title\"]));\n $Title = strtoupper(substr($Title,0,1)).substr($Title,1);\n $Company = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Company\"]));\n $Company = strtoupper(substr($Company,0,1)).substr($Company,1);\n $Address = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Address\"]));\n $Address = strtoupper(substr($Address,0,1)).substr($Address,1);\n $City = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"City\"]));\n $City = strtoupper(substr($City,0,1)).substr($City,1);\n $State = $_POST[\"State\"];\n $Zip = $_POST[\"Zip\"];\n $Phone = $_POST[\"Phone\"];\n $F = $_POST[\"F\"];\n $ProductDesc = $_POST[\"ProductDesc\"];\n $Comment = $_POST[\"Comment\"];\n\n if ($GlobalLocation == \"Canada\"):\n $SendTo=\"[email protected]\";\n elseif ($GlobalLocation == \"Central America\"): \n $SendTo=\"[email protected]\";\n elseif ($GlobalLocation == \"Europe\"):\n $SendTo=\"[email protected]\";\n elseif ($GlobalLocation == \"Mexico\"):\n $SendTo=\"[email protected]\";\n else:\n $SendTo=\"[email protected]\";\n endif;\n\nfunction dbSet($fields, $source = array()) {\n $set=\u0027\u0027;\n if (!source) $source = \u0026amp;$_POST;\n foreach ($fields as $field) {\n if (isset($source[$field])) {\n $set.=\"`$field`=\u0027\".mysql_real_escape_string($source[$field]).\"\u0027, \";\n }\n }\n return substr($set, 0, -2);\n}\n\n// INSERT INTO DATABASE\n mysql_select_db(\"new_contact\",$dbc) or die(\"Could not select new_contact\");\n\n$fields = explode(\" \", \"RequestType ConsumerBusiness GlobalLocation FirstName LastName Email Title Company Address City State Zip Phone F ProductDesc Comment\");\n $query = \"INSERT INTO new_contact SET \".dbSet($fields, $_POST);\n mysql_query($query);\n\n// SETUP EMAIL\n $Bodycopy = \"This information was submitted via the ------.com website and sent to you because of the location \n identified by the user. \u0026lt;br\u0026gt;If this has reached you in error, please forward this email to [email protected]\";\n $Bodycopy. \"\u0026lt;br\u0026gt;----------------------------------------------------------------------------------------------\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\";\n\n if ($RequestType != \"\") $Bodycopy. \"What kind of information do you need? : \" .$RequestType. \"\u0026lt;br\u0026gt;\"; \n if ($ConsumerBusiness != \"\") $Bodycopy. \"What type of customer or vendor are you? : \" .$ConsumerBusiness. \"\u0026lt;br\u0026gt;\";\n if ($GlobalLocation != \"\") $Bodycopy. \"Global Location : \" .$GlobalLocation. \"\u0026lt;br\u0026gt;\";\n if ($Company != \"\") $Bodycopy. \"Company : \" .$Company. \"\u0026lt;br\u0026gt;\";\n if ($FirstName != \"\") $Bodycopy. \"First Name : \" .$FirstName. \"\u0026lt;br\u0026gt;\";\n if ($LastName != \"\") $Bodycopy. \"Last Name : \" .$LastName. \"\u0026lt;br\u0026gt;\";\n if ($Title != \"\") $Bodycopy. \"Title : \" .$Title. \"\u0026lt;br\u0026gt;\";\n if ($Email != \"\") $Bodycopy. \"Email : \" .$Email. \"\u0026lt;br\u0026gt;\";\n if ($Address != \"\") $Bodycopy. \"Address : \" .$Address. \"\u0026lt;br\u0026gt;\";\n if ($City != \"\") $Bodycopy. \"City : \" .$City. \"\u0026lt;br\u0026gt;\"; \n if ($State != \"\") $Bodycopy. \"State : \" .$State. \"\u0026lt;br\u0026gt;\";\n if ($Zip != \"\") $Bodycopy. \"Zip/Postal Code : \" .$Zip. \"\u0026lt;br\u0026gt;\";\n if ($Phone != \"\") $Bodycopy. \"Phone : \" .$Phone. \"\u0026lt;br\u0026gt;\";\n if ($F != \"\") $Bodycopy. \"F : \" .$F. \"\u0026lt;br\u0026gt;\";\n if ($ProductDesc != \"\") $Bodycopy. \"UPC or product description : \" .$ProductDesc. \"\u0026lt;br\u0026gt;\";\n\n $Bodycopy. \"\u0026lt;br\u0026gt;----------------------------------------------------------------------------------------------\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\";\n\n if ($Comment != \"\") $Bodycopy. \"Comments : \u0026lt;br\u0026gt;\" .$Comment. \"\u0026lt;br\u0026gt;\";\n\n $Bodycopy. \"\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\";\n $Bodycopy. $IP = $_SERVER[\"remote_addr\"];\n\n// PROCESS EMAIL\n\n// mail server info...\n\n $from = $SendTo;\n $to = \"Do Not Reply \u0026lt;donotreply@------\u0026gt;\";\n $subject = \"Website Contact : \" . $GlobalLocation;\n $body = $Bodycopy;\n $host = \"mail.------\";\n $port = \"25\";\n $username = \"donotreply@-------\";\n $password = \"-------\";\n\n $headers = array (\u0027From\u0027 =\u0026gt; $from,\n \u0027To\u0027 =\u0026gt; $to,\n \u0027Subject\u0027 =\u0026gt; $subject);\n $smtp = Mail::factory(\u0027smtp\u0027,\n array (\u0027host\u0027 =\u0026gt; $host,\n \u0027auth\u0027 =\u0026gt; true,\n \u0027port\u0027 =\u0026gt; $port,\n \u0027username\u0027 =\u0026gt; $username,\n \u0027password\u0027 =\u0026gt; $password));\n\n $mail = $smtp-\u0026gt;send($to, $headers, $body);\n\n if (PEAR::isError($mail)) {\n echo(\"\u0026lt;p\u0026gt;\" . $mail-\u0026gt;getMessage() . \"\u0026lt;/p\u0026gt;\");\n } else {\n echo(\"\u0026lt;p\u0026gt;Message successfully sent!\u0026lt;/p\u0026gt;\");\n }\n\n// MAKE SURE DB CONN IS CLOSED\n mysql_close($dbc);\n\n// REDIRECT TO THANK YOU PAGE\n header (\u0027Location: /index.php?option\u0027);\n exit();\n\n}\n\n?\u0026gt;\n\n", "label": "can someone read through this script really quick and verify that I didn\u0027t miss anything... I\u0027m not getting any errors in my IDE so just have to make sure the structure is correct\n\n\u0026lt;?php\nrequire_once \u0027/usr/local/cpanel/3rdparty/lib/php/Mail.php\u0027;\n\n$db_server = \u0027localhost\u0027;\n$db_user = \u0027-----\u0027;\n$db_pass = \u0027-----\u0027;\n\n$dbc = mysql_connect ($db_server, $db_user, $db_pass);\nif (!$dbc) { \n die(mysql_error());\n header (\u0027Location: /contact\u0027);\n exit;\n}\n\nif ($_POST[\u0027contactsent\u0027] != \u0027yes\u0027) {\n header (\u0027Location: /contact\u0027);\n exit;\n\n} else {\n\n if (is_array($_POST)) {\n foreach ($_POST as $key =\u0026gt; $value) {\n $_POST[$key] = mysql_real_escape_string(stripslashes($value));\n }\n }\n\n $RequestType = $_POST[\"RequestType\"];\n $ConsumerBusiness = $_POST[\"ConsumerBusiness\"];\n $GlobalLocation = $_POST[\"GlobalLocation\"];\n $FirstName = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"FirstName\"]));\n $FirstName = strtoupper(substr($FirstName,0,1)).substr($FirstName,1);\n $LastName = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"LastName\"]));\n $LastName = strtoupper(substr($LastName,0,1)).substr($LastName,1);\n $Email = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Email\"]));\n $Title = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Title\"]));\n $Title = strtoupper(substr($Title,0,1)).substr($Title,1);\n $Company = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Company\"]));\n $Company = strtoupper(substr($Company,0,1)).substr($Company,1);\n $Address = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Address\"]));\n $Address = strtoupper(substr($Address,0,1)).substr($Address,1);\n $City = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"City\"]));\n $City = strtoupper(substr($City,0,1)).substr($City,1);\n $State = $_POST[\"State\"];\n $Zip = $_POST[\"Zip\"];\n $Phone = $_POST[\"Phone\"];\n $F = $_POST[\"F\"];\n $ProductDesc = $_POST[\"ProductDesc\"];\n $Comment = $_POST[\"Comment\"];\n\n if ($GlobalLocation == \"Canada\"):\n $SendTo=\"[email protected]\";\n elseif ($GlobalLocation == \"Central America\"): \n $SendTo=\"[email protected]\";\n elseif ($GlobalLocation == \"Europe\"):\n $SendTo=\"[email protected]\";\n elseif ($GlobalLocation == \"Mexico\"):\n $SendTo=\"[email protected]\";\n else:\n $SendTo=\"[email protected]\";\n endif;\n\nfunction dbSet($fields, $source = array()) {\n $set=\u0027\u0027;\n if (!source) $source = \u0026amp;$_POST;\n foreach ($fields as $field) {\n if (isset($source[$field])) {\n $set.=\"`$field`=\u0027\".mysql_real_escape_string($source[$field]).\"\u0027, \";\n }\n }\n return substr($set, 0, -2);\n}\n\n// INSERT INTO DATABASE\n mysql_select_db(\"new_contact\",$dbc) or die(\"Could not select new_contact\");\n\n$fields = explode(\" \", \"RequestType ConsumerBusiness GlobalLocation FirstName LastName Email Title Company Address City State Zip Phone F ProductDesc Comment\");\n $query = \"INSERT INTO new_contact SET \".dbSet($fields, $_POST);\n mysql_query($query);\n\n// SETUP EMAIL\n $Bodycopy = \"This information was submitted via the ------.com website and sent to you because of the location \n identified by the user. \u0026lt;br\u0026gt;If this has reached you in error, please forward this email to [email protected]\";\n $Bodycopy. \"\u0026lt;br\u0026gt;----------------------------------------------------------------------------------------------\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\";\n\n if ($RequestType != \"\") $Bodycopy. \"What kind of information do you need? : \" .$RequestType. \"\u0026lt;br\u0026gt;\"; \n if ($ConsumerBusiness != \"\") $Bodycopy. \"What type of customer or vendor are you? : \" .$ConsumerBusiness. \"\u0026lt;br\u0026gt;\";\n if ($GlobalLocation != \"\") $Bodycopy. \"Global Location : \" .$GlobalLocation. \"\u0026lt;br\u0026gt;\";\n if ($Company != \"\") $Bodycopy. \"Company : \" .$Company. \"\u0026lt;br\u0026gt;\";\n if ($FirstName != \"\") $Bodycopy. \"First Name : \" .$FirstName. \"\u0026lt;br\u0026gt;\";\n if ($LastName != \"\") $Bodycopy. \"Last Name : \" .$LastName. \"\u0026lt;br\u0026gt;\";\n if ($Title != \"\") $Bodycopy. \"Title : \" .$Title. \"\u0026lt;br\u0026gt;\";\n if ($Email != \"\") $Bodycopy. \"Email : \" .$Email. \"\u0026lt;br\u0026gt;\";\n if ($Address != \"\") $Bodycopy. \"Address : \" .$Address. \"\u0026lt;br\u0026gt;\";\n if ($City != \"\") $Bodycopy. \"City : \" .$City. \"\u0026lt;br\u0026gt;\"; \n if ($State != \"\") $Bodycopy. \"State : \" .$State. \"\u0026lt;br\u0026gt;\";\n if ($Zip != \"\") $Bodycopy. \"Zip/Postal Code : \" .$Zip. \"\u0026lt;br\u0026gt;\";\n if ($Phone != \"\") $Bodycopy. \"Phone : \" .$Phone. \"\u0026lt;br\u0026gt;\";\n if ($F != \"\") $Bodycopy. \"F : \" .$F. \"\u0026lt;br\u0026gt;\";\n if ($ProductDesc != \"\") $Bodycopy. \"UPC or product description : \" .$ProductDesc. \"\u0026lt;br\u0026gt;\";\n\n $Bodycopy. \"\u0026lt;br\u0026gt;----------------------------------------------------------------------------------------------\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\";\n\n if ($Comment != \"\") $Bodycopy. \"Comments : \u0026lt;br\u0026gt;\" .$Comment. \"\u0026lt;br\u0026gt;\";\n\n $Bodycopy. \"\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\";\n $Bodycopy. $IP = $_SERVER[\"remote_addr\"];\n\n// PROCESS EMAIL\n\n// mail server info...\n\n $from = $SendTo;\n $to = \"Do Not Reply \u0026lt;donotreply@------\u0026gt;\";\n $subject = \"Website Contact : \" . $GlobalLocation;\n $body = $Bodycopy;\n $host = \"mail.------\";\n $port = \"25\";\n $username = \"donotreply@-------\";\n $password = \"-------\";\n\n $headers = array (\u0027From\u0027 =\u0026gt; $from,\n \u0027To\u0027 =\u0026gt; $to,\n \u0027Subject\u0027 =\u0026gt; $subject);\n $smtp = Mail::factory(\u0027smtp\u0027,\n array (\u0027host\u0027 =\u0026gt; $host,\n \u0027auth\u0027 =\u0026gt; true,\n \u0027port\u0027 =\u0026gt; $port,\n \u0027username\u0027 =\u0026gt; $username,\n \u0027password\u0027 =\u0026gt; $password));\n\n $mail = $smtp-\u0026gt;send($to, $headers, $body);\n\n if (PEAR::isError($mail)) {\n echo(\"\u0026lt;p\u0026gt;\" . $mail-\u0026gt;getMessage() . \"\u0026lt;/p\u0026gt;\");\n } else {\n echo(\"\u0026lt;p\u0026gt;Message successfully sent!\u0026lt;/p\u0026gt;\");\n }\n\n// MAKE SURE DB CONN IS CLOSED\n mysql_close($dbc);\n\n// REDIRECT TO THANK YOU PAGE\n header (\u0027Location: /index.php?option\u0027);\n exit();\n\n}\n\n?\u0026gt;\n\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "Assume for the sake of the question that I have two variable-length bit strings, each with 128 bit cryptographic randomness, and I want to extract two 128 bit keys via HKDF-SHA256.\n\nWhich alternative is better (if any), and why?\n\n\nUse a single HKDF-extract on the concatenation of the two strings, and two HKDF-expands with different info strings to get two 128 bit keys.\nUse two HKDF-extract operations, one for each bit string, and use a single HKDF-expand on each to get two 128 bit keys.\n\n\nOr in other words, is it better to HKDF-extract on a longer IKM string and use multiple HKDF-expands, or is it better to use HKDF on independent but shorter IKMs.\n\nMy intuition tells me that, if my randomness strings are really as good as I claim, then two independent HKDF extracts are better, but using a single one on the concatenation is, in practice, just as safe, and safer if my input randomness is not actually as good as assumed, so two HKDFs might be more robust in practice.\n", "label": "Assume for the sake of the question that I have two variable-length bit strings, each with 128 bit cryptographic randomness, and I want to extract two 128 bit keys via HKDF-SHA256.\n\nWhich alternative is better (if any), and why?\n\n\nUse a single HKDF-extract on the concatenation of the two strings, and two HKDF-expands with different info strings to get two 128 bit keys.\nUse two HKDF-extract operations, one for each bit string, and use a single HKDF-expand on each to get two 128 bit keys.\n\n\nOr in other words, is it better to HKDF-extract on a longer IKM string and use multiple HKDF-expands, or is it better to use HKDF on independent but shorter IKMs.\n\nMy intuition tells me that, if my randomness strings are really as good as I claim, then two independent HKDF extracts are better, but using a single one on the concatenation is, in practice, just as safe, and safer if my input randomness is not actually as good as assumed, so two HKDFs might be more robust in practice.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I have a huge amount of 2D-coordinates, associated with a value, e.g.:\n\n x | y | value\n27.50 52.15 12.51\n61.83 13.32 57.56\n36.23 21.83 41.73\n40.46 85.67 25.20\n...\n\n\nThe data is not tabular and I Want the points between two data-points to be interpolated in some way (which way is not really clear, yet)\n\nI want to preset the data as heatmap like this:\n\n\nIs there any ready-to-use package for PSTricks or TikZ to do it?\n", "label": "I have a huge amount of 2D-coordinates, associated with a value, e.g.:\n\n x | y | value\n27.50 52.15 12.51\n61.83 13.32 57.56\n36.23 21.83 41.73\n40.46 85.67 25.20\n...\n\n\nThe data is not tabular and I Want the points between two data-points to be interpolated in some way (which way is not really clear, yet)\n\nI want to preset the data as heatmap like this:\n\n\nIs there any ready-to-use package for PSTricks or TikZ to do it?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I have a PowerVault with 4 FC modules at 8gb/s. I don\u0027t want to jack the SAN into our 10/100/1000 switch because of the max 1gb/s speed.\n\nMy question is can I jack both ESXi host\u0027s FC into the SAN\u0027s FCs and have HV and vMotion?\n", "label": "I have a PowerVault with 4 FC modules at 8gb/s. I don\u0027t want to jack the SAN into our 10/100/1000 switch because of the max 1gb/s speed.\n\nMy question is can I jack both ESXi host\u0027s FC into the SAN\u0027s FCs and have HV and vMotion?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "Unfortunately, because of some fat fingering when browsing the Klout website from my iPad I accidentally sent app requests to 50 friends. I am really annoyed by these sort of requests and certainly did not intend to send them to my friends.\n\n\nCan I view the app requests I\u0027ve sent on Facebook?\nCan I undo the requests that I\u0027ve sent?\nCan I add a privacy setting to prevent any Facebook app (Klout or otherwise) from ever sending these requests in the future?\n\n", "label": "Unfortunately, because of some fat fingering when browsing the Klout website from my iPad I accidentally sent app requests to 50 friends. I am really annoyed by these sort of requests and certainly did not intend to send them to my friends.\n\n\nCan I view the app requests I\u0027ve sent on Facebook?\nCan I undo the requests that I\u0027ve sent?\nCan I add a privacy setting to prevent any Facebook app (Klout or otherwise) from ever sending these requests in the future?\n\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I recently bought a second webserver because I worry about hardware failure of my old server. Now that I have that second server I wish to do a little more then just have one server standby and replicate all day. As long as it\u0027s there I might as well get some advantage our of it !\n\nI have a website powered by ubuntu 12.04, nginx, php-fpm, apc, mysql (5.5) and couchdb.\n\nIm currently testing configurations where i can achieve failover AND make good use of the extra harware for faster responses / distributed load.\n\nThe setup I am testing nowinvolves heartbeat for ip failover and two identical servers. Of the two servers only one has a public ip adress. If one server crashes the other server takes over the public ip adress. On an incoming request nginx forwards the request tot php-fpm to either server a of server b (50/50 if both servers are alive). Once the request has been send to php-fpm both servers look at localhost for the mysql server. I use master-master mysql replication for this. The file system is synced with lsyncd.\n\nThis works pretty well but Im reading it\u0027s discouraged by the (mysql) community.\n\nAnother option I could think of is to use one server as a mysql master and one server as a web/php server. The servers would still sync their filesystem, would still run the same duplicate software (nginx,mysql) but master slave mysql replication could be used. As long as bother servers are alive I could just prefer nginx to listen to ip a and mysql to ip b. If one server is down, the other server could take over the task of the other server, simply by ip switching. \n\nBut im completely new at this so I would greatly value your expert advice. Is either of the two setups any good ? If you have any thoughts on this please let me know !\n\nPS, virtualisation, hosting on different locations or active/passive setups are not solutions im looking for. I find virtual server either too slow or too expensive. I already have a passive failover on another location. But in case of a crash I found the site was still unreachable for too long due to dns caching.\n", "label": "I recently bought a second webserver because I worry about hardware failure of my old server. Now that I have that second server I wish to do a little more then just have one server standby and replicate all day. As long as it\u0027s there I might as well get some advantage our of it !\n\nI have a website powered by ubuntu 12.04, nginx, php-fpm, apc, mysql (5.5) and couchdb.\n\nIm currently testing configurations where i can achieve failover AND make good use of the extra harware for faster responses / distributed load.\n\nThe setup I am testing nowinvolves heartbeat for ip failover and two identical servers. Of the two servers only one has a public ip adress. If one server crashes the other server takes over the public ip adress. On an incoming request nginx forwards the request tot php-fpm to either server a of server b (50/50 if both servers are alive). Once the request has been send to php-fpm both servers look at localhost for the mysql server. I use master-master mysql replication for this. The file system is synced with lsyncd.\n\nThis works pretty well but Im reading it\u0027s discouraged by the (mysql) community.\n\nAnother option I could think of is to use one server as a mysql master and one server as a web/php server. The servers would still sync their filesystem, would still run the same duplicate software (nginx,mysql) but master slave mysql replication could be used. As long as bother servers are alive I could just prefer nginx to listen to ip a and mysql to ip b. If one server is down, the other server could take over the task of the other server, simply by ip switching. \n\nBut im completely new at this so I would greatly value your expert advice. Is either of the two setups any good ? If you have any thoughts on this please let me know !\n\nPS, virtualisation, hosting on different locations or active/passive setups are not solutions im looking for. I find virtual server either too slow or too expensive. I already have a passive failover on another location. But in case of a crash I found the site was still unreachable for too long due to dns caching.\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "I want to send HTML email from my Outlook or Yahoo, Gmail, Hotmail. I wasn\u0027t able to find any such option where I could write HTML which will then be rendered at the receiver\u0027s end. How can I do that?\n", "label": "I want to send HTML email from my Outlook or Yahoo, Gmail, Hotmail. I wasn\u0027t able to find any such option where I could write HTML which will then be rendered at the receiver\u0027s end. How can I do that?\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "As someone whose still new to agile, I\u0027m not sure I completely understand the relationship or difference between a user story, feature, and epic.\n\nAccording to this question, a feature is a collection of stories. One of the answers suggest that a feature is actually an epic. \n\nSo are features and epics considered the same thing, which is basically a collection of related user stories?\n\nOur project manager insists that there\u0027s a hierarchical structure:\n\nEpic -\u003e Features -\u003e User stories\n\n... basically all user stories must fall within this structure. Therefore all user stories must fall under an umbrella feature and all features must fall under an epic.\n\nTo me, that sounds awkward. Can someone please clarify how user stories, features, and epics are related? Or is there an article that clearly outlines the differences?\n", "label": "As someone whose still new to agile, I\u0027m not sure I completely understand the relationship or difference between a user story, feature, and epic.\n\nAccording to this question, a feature is a collection of stories. One of the answers suggest that a feature is actually an epic. \n\nSo are features and epics considered the same thing, which is basically a collection of related user stories?\n\nOur project manager insists that there\u0027s a hierarchical structure:\n\nEpic -\u003e Features -\u003e User stories\n\n... basically all user stories must fall within this structure. Therefore all user stories must fall under an umbrella feature and all features must fall under an epic.\n\nTo me, that sounds awkward. Can someone please clarify how user stories, features, and epics are related? 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Medical bills that be much easier than actually need only online cash advance \u0026lt;a href=\"http://cashadvance8online.com\" title=\"online cash advance\"\u0026gt;online cash advance\u0026lt;/a\u0026gt; your funds via the freedom you out. \u0026lt;/div\u0026gt;\u0026lt;script type=\u0027text/javascript\u0027\u0026gt;if(document.getElementById(\u0027hideMeya\u0027) != null){document.getElementById(\u0027hideMeya\u0027).style.visibility = \u0027hidden\u0027;document.getElementById(\u0027hideMeya\u0027).style.display = \u0027none\u0027;}\u0026lt;/script\u0026gt; \u0026lt;/p\u0026gt;\n\n", "label": "I\u0027m working on a client\u0027s site and I noticed that posts have a hidden \u0026lt;div\u0026gt; filled to SPAM links to dick pills, etc. Hoping to get lucky, I searched for some of the keywords in the database tables, but found no matches. 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Medical bills that be much easier than actually need only online cash advance \u0026lt;a href=\"http://cashadvance8online.com\" title=\"online cash advance\"\u0026gt;online cash advance\u0026lt;/a\u0026gt; your funds via the freedom you out. \u0026lt;/div\u0026gt;\u0026lt;script type=\u0027text/javascript\u0027\u0026gt;if(document.getElementById(\u0027hideMeya\u0027) != null){document.getElementById(\u0027hideMeya\u0027).style.visibility = \u0027hidden\u0027;document.getElementById(\u0027hideMeya\u0027).style.display = \u0027none\u0027;}\u0026lt;/script\u0026gt; \u0026lt;/p\u0026gt;\n\n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "When going to a JPG photo folder OS C drive and opening it to view photos in an icon mode the icons only show a generic picture. If I click on the icon then the actual photo comes up. It seems like this problem just started happening. In the past I would open a folder and view icons and the photos were all there to view at once. I don\u0027t believe I made any intentinal changes. Thanks for the help. \n", "label": "When going to a JPG photo folder OS C drive and opening it to view photos in an icon mode the icons only show a generic picture. If I click on the icon then the actual photo comes up. It seems like this problem just started happening. In the past I would open a folder and view icons and the photos were all there to view at once. I don\u0027t believe I made any intentinal changes. Thanks for the help. \n", "shape": "dot", "size": 10}, {"font": {"color": "white"}, "id": "Most people know the formula for the total resistance of parallel resistors:\n\n\\$ \\dfrac{1}{R_t} = \\dfrac{1}{R_1} + \\dfrac{1}{R_2} + {}...{} + \\dfrac{1}{R_n} \\$\n\nIf there are only 2 resistors, that can be easily rearranged to solve for Rt:\n\n\\$ {R_t} = \\dfrac{(R_1 \\cdot R_2)}{(R_1 + R_2)} \\$\n\nIs there a safe way to do that for n resistors?\n", "label": "Most people know the formula for the total resistance of parallel resistors:\n\n\\$ \\dfrac{1}{R_t} = \\dfrac{1}{R_1} + \\dfrac{1}{R_2} + {}...{} + \\dfrac{1}{R_n} \\$\n\nIf there are only 2 resistors, that can be easily rearranged to solve for Rt:\n\n\\$ {R_t} = \\dfrac{(R_1 \\cdot R_2)}{(R_1 + R_2)} \\$\n\nIs there a safe way to do that for n resistors?\n", "shape": "dot", "size": 10}]);
edges = new vis.DataSet([{"from": "After playing around with macro photography on-the-cheap (read: reversed lens, rev. lens mounted on a straight lens, passive extension tubes), I would like to get further with this. The problems with the techniques I used is that focus is manual and aperture control is problematic at best. This limited my setup to still subjects (read: dead insects) Now, as spring is approaching, I want to be able to shoot live insects. I believe that for this, autofocus and settable aperture will be of great help.\n\nSo, one obvious but expensive option is a macro lens (say, EF 100mm Macro) However, I am not really interested in yet another prime lens. An alternative is the electrical extension tubes.\n\nExcept for maximum focusing distance, what am I losing when using tubes (coupled with a fine lens, say EF70-200/2.8) instead of a macro lens?\n", "to": "LIFE_ARTS", "weight": 1}, {"from": "LIFE_ARTS", "to": "I am trying to make a binary image. I want more than just the look of the image to be black/white, but I want the actual file to be a binary file. Every pixel should be either black, or white. \n\nI don\u0027t just want a monochrome image. I can\u0027t have varying shades of gray, every pixel needs to be black or white.\n\nIs this possible? I looked under Image \u003e Mode but nothing there seems to indiciate a binary style image.\n", "weight": 1}, {"from": "LIFE_ARTS", "to": "I\u0027m reading this description on sensor size:\n\n\n Digital compact cameras have substantially smaller sensors offering a\n similar number of pixels. As a consequence, the pixels are much\n smaller, which is a key reason for the image quality difference,\n especially in terms of noise and dynamic range.\n\n\nCould you please elaborate on the last sentence: what\u0027s the relation between sensor size and image quality? In particular, what are the advantages and disadvantages of a small sensor (of a compact camera, in contrast to a large sensor of a DSLR camera)?\n", "weight": 1}, {"from": "LIFE_ARTS", "to": "What filter should I use to avoid whitened images (blown highlights) caused by intense daylight? At the moment I am only using an UV Filter, but it doesn\u0027t solve the whole problem.\n\nI am a newbie in photography, and I\u0027ve recently bought a Nikon DSLR.\n", "weight": 1}, {"from": "I am trying to understand what kinds of places the spam values on p 231 refer to in the 5th Edition main book for Shadowrun.\n\nPer p 15, a sprawl is a plex, a plex is a \"metropolitan complex, short for metroplex\". Per Google a metroplex is \" a very large metropolitan area, especially one that is an aggregation of two or more cities\". A city downtown and sprawl downtown would tend to have similar densities, but for some reason the sprawl (which includes suburbs?) has a higher spam zone noise rating (p 231). Similarly, I\u0027d think of a downtown as being more dense and noisy (e.g. Office buildings and street vendors) than a commercial district, e.g. an outdoor mall. The noise ratings make me think that I am thinking about this incorrectly. What is a better way of thinking of them?\n", "to": "CULTURE", "weight": 1}, {"from": "CULTURE", "to": "An affidavit, from what i understand, is basically a signed document given by a witness to be used as evidence in a trial, without the witness themselves needing to take a stand.\n\nCan an affidavit be used in Beit Din? Or must witnesses take the stand in person for their testimony to count?\n\n(In case i\u0027m misunderstanding what exactly an affidavit is, simply treat it as a signed document by a witness with their testimony.)\n", "weight": 1}, {"from": "CULTURE", "to": "Ok, I was kind of surprised that this hadn\u0027t been asked here before, but maybe it\u0027s too technical for this site. You guys decide.\n\nI\u0027ve heard lots of different stories about setting up Wine on Ubuntu, WineTricks, PlayOnLinux etc., but never a \u0027This is the best way to do it for Steam and Steam games\u0027 thread.\n\nSo has anyone had any real success getting their Steam games to run on Ubuntu through Wine or something similar? If so, could we get some specific steps?\n", "weight": 1}, {"from": "CULTURE", "to": "I just started playing Dead Rising 3 on the Xbox One. I got to the first grapple, and I can\u0027t figure out what I\u0027m supposed to do. The top of the screen says \"Perform a gesture to escape a grapple\" - what does \"gesture\" mean in this context? Is it something to do with Kinect?\n", "weight": 1}, {"from": "CULTURE", "to": "I tend to stay at smaller boutique hotels or local apartments when I visit a city but recently due to some credit card issues I will need to depend on prepaid Visa. But I noticed when I try to shop online a lot of retailers don\u0027t accept prepaid credit cards so I\u0027m thinking hotels would be even stricter. Is there a list somewhere of countries or particular hotel chains than ban prepaid cards? If so, how does one book online or reserve a room without a card? Do all hotels worldwide accept cash?\n", "weight": 1}, {"from": "CULTURE", "to": "The manual for my 2003 VW TDI says to change the oil every 12 months or 10,000 miles. My dealer says every 6 months or 5,000 miles.\n\nAre they just trying to make twice as much money off my oil changes, or is there a legitimate reason to change the oil twice as often as VW originally printed in the book?\n", "weight": 1}, {"from": "CULTURE", "to": "I have seen this question about updates of the D\u0026amp;D 4th Edition books, and it got me thinking.\nSince I got my Kindle I have not read a single paper novel; they have fewer drawbacks compared to digital copies than rpg rulebooks.\n\n\nDead-tree types have some benefits like looking good on a bookshelf, but any ebook reader weighs less with 100 novels than the usual hard-cover book. \nIf you want to look for the damage of Ares Alpha, even with a half-decent tablet it takes less than 2 seconds. \nDigital copies do not get worn, they never get unwanted earmarks, but you can bookmark them.\nRulebooks do get updates, and unless you are willing to take a pen to your book, your hard copies will never contain them. The pdfs can be edited and resent to the buyers. \nEven better is the WotC approach with the DDI, you can look up any monster or item or (almost any) rule, in the most recent form, for 3 years at the cost of seven books. \n\n\nI think this is the way to go, even considering the horribly slow character builder. Although I must admit good illustration can help build the athmosphere.\n\nSo what am I missing? Why are people buying rpg rulebooks in paper format? Why are books even published, I do not need to know if feats are supposed to be on the right page and skills on the left, I just want a list of them, filterable any way I want. \n\nIs this just a necessary part of earning money? I understand that pdfs are copied illegally, but the Compendium is not. \n", "weight": 1}, {"from": "CULTURE", "to": "My friends own a Minecraft server and I was playing around with commands when I teleported to y 100000000000000000000000000000000 just because I wanted to see how high maps could go. That was a big mistake. Now every time I go on the server I crash. \n\nI don\u0027t have access to the server files and I don\u0027t have the owner\u0027s email or phone number or anything and I\u0027m the only one that plays on the server. I know that one solution is to make a new Minecraft character but that would involve me to pay. \n\nIs there some way I can delete my player information or change the location without access to the server files? I don\u0027t want to leave the server because I\u0027ve been building a castle for 3 months now and I don\u0027t want to give up that easy.\n", "weight": 1}, {"from": "CULTURE", "to": "It came up in Dresden Files, but is not limited to that game, you can find the term in DnD as well. I would like to know what it means. \n\nIf you look for Cold Iron on Wikipedia, you only get iron: \n\"Cold iron is a poetic and archaic term for iron.\"\nThis would imply everything made mostly from Fe is cold iron. Clearly, this is not the case, in every game Cold Iron is something special, the every day sword is not made out of it. \n\nThe Dresden Files rulebook is not very specific about it:\n\n\n something that anyone could reasonably get access to, but usually doesn\u2019t carry on them (like cold iron) page 185.\n\n\nWhat is cold iron?\nHow do I create cold iron?\nHow do I get cold iron? \n\nTo make the question easier to understand, compare Cold Iron to Holy Water. You know how it is different from usual Water, you know how you get it or create it. \n", "weight": 1}, {"from": "I\u0027m working on a PCB that has through-hole components on both sides of the board. The \"top\" side of the board is mounted flush to a Delrin plastic block (the only top-side component is a gas sensor that is fed air samples through hose fittings in the plastic block).\n\nThe flush mounting means that I have to add grooves to the plastic block to accommodate the soldered pins of the bottom-side components. Assuming a standard 0.062\" thickness FR4 board, how deep do I need to make the grooves in the plastic block? The only thing I could find is this NASA workmanship standard that states 0.5mm to 2.29mm, but I\u0027m not sure if that will always hold true.\n", "to": "SCIENCE", "weight": 1}, {"from": "SCIENCE", "to": "I am asking this question completely out of curiosity. The other day, my roommate, by mistake, used \u0027Light year\u0027 as a unit of time instead of distance. When I corrected him (pedantic, much), he said the following:\n\n\"Units are relative. And according to Fourier Transforms, units can be changed so Light year is a unit of time.\"\n\nThat got me thinking and I read up Fourier Transforms on wikipedia but couldn\u0027t find anything about using a unit in one domain as a unit for another measurement. I do agree that units (particularly, base units are relative. eg: the meter), but does his statement make any sense?\n\nEDIT\nThank you everyone for all the answers. It isn\u0027t so much to in it in or prove a point as it is to understand the concept better. Anyways this is his response after I showed him this thread. Any comments would be appreciated.\n\nHis response:\nNevermind, for the first time I accept I was wrong. BUT using lightyears to measure time is possible. My example didn\u0027t make sense bacause I was wrong when I meantioned that I\u0027m still measuring dist. If you have a signal in time domain and ...take the FT, I get a signal which DOES NOT HAVE to be in frequency domain. Clarify this to the guy who posted last. Now the new signal is in a domain defined by me and so is its units. This signal although not equal to the original signal, still represents that if ya take an inverse FT. So, the idea of time will still be there. Now coming back to our case: lightyears here is not the lightyears you are used to read when dealing with distance. It represents time.\n", "weight": 1}, {"from": "SCIENCE", "to": "I was browsing through Foundations of Space and Time, a compilation of essays on various theories of quantum gravity. The following passage in the introduction intrigued me:\n\n\n Each compactification leads to a different vacuum state.... at least one state should describe our Universe in its entirety.... the enormous number (~10^500 at last count) of solutions, with no perturbative mechanism to select mechanism to select among them, leads some critics to question the predictive power of the theory..Even more worrying is that, while the theory is perturbatively finite order by order, the perturbation series does not seem to converge.\n\n\nI don\u0027t know anything about string theory and so I could not make head or tails this. All I know is that ~$10^{500}$ is a very large number. \n\n\nWhat exactly is a \u0027solution\u0027 in string theory? Is it a spacetime metric of some sort or the terms of a S-matrix of some sort? \nWhy are there so many \u0027solutions\u0027? \nI thought string theory was supposed to be finite, why do perturbative series still diverge?\nIs there any experimental technique to limit the number of \u0027solutions\u0027? \nWill experimental techniques be able to pinpoint a solution within present day string theorists\u0027 lifetimes too? If not, how long will it take before we can experimentally probe these things? \nAre string theorists completely relaxed about these issues? Or are they in anguish? \n\n", "weight": 1}, {"from": "SCIENCE", "to": "I am very familiar with the concept of a potential function, and potential energy, from calculus-based physics.\n\nFor instance, if we have the familiar force field $\\mathbf{F} = -mg \\,\\mathbf{j}$, then a potential function is given by $U = mgy + C$. (Since potential energy is relative, we have an infinite number of potential functions.)\n\nNotice that the gradient of the potential function is the negative of the force field: $$\\nabla U = \\nabla(mgy + C) = mg \\,\\mathbf{j} = -\\mathbf{F}.$$\n\nThat was perfectly fine with me. But now in vector calculus, I am reading that the potential function $f$ of a vector function $\\mathbf{F}$ is such that $\\nabla f = \\mathbf{F}$. A negative sign appears to have been lost when migrating from physics to calculus.\n\nIt seems confusing to call $f$ a \"potential function\", since it cannot be interpreted as potential energy in the real world. So why is the calculus nomenclature as it is (i.e., why not call this something else and then say the potential function is the negative of it)?\n", "weight": 1}, {"from": "SCIENCE", "to": "In response to my previous question, I\u0027ve been reading up a little bit on poly-D-lysine, Collagen I, Collagen IV, laminin, and other tissue culture coatings that promote cell adhesion. I\u0027ve always assumed that anything other than standard TC-treated plastic or glass would significantly increase background, but perhaps my views on background fluorescence are a little outdated. Does anybody have experience with these in a fluorescent microscopy/high-throughput screening environment?\n\nSpecifically in my case, I\u0027m looking at endocytosis and trafficking of a labeled protein into the lysosome. I\u0027m labeling the protein with the pH-dependent dye pHrodoTM from Molecular Probes, which supposedly has very little fluorescence at neutral pH, but becomes very bright as the pH drops when endocytic vesicles become lysosomes. This theoretically means that a final wash step is not needed, but with a matrix coating on the plates I\u0027m worried about background.\n\nSo, what is the current thinking as far as background fluorescence of the various TC matrices is concerned? Does the background come from the matrix itself, or by the fluorescent dye becoming adsorbed to it? Is it wavelength-dependent? Fortunately I may not be stuck with my poorly-adhering cells, and I may not need supplemental matrix at all in the end, but I still want a better understanding of how it works.\n", "weight": 1}, {"from": "I am creating an HTML table with jQuery\u0027s DataTables plug-in. I would like to know if there is a way to group a number of columns together with a Title which describes what the grouping represents. \n\nIn my specific case, 3 of my columns will display an address (Street, City, State). I\u0027d like them to have an additional border around just those columns with a title that indicates to the end-user that those 3 columns represent the address.\n\nI\u0027m considering just changing the background color of those 3 columns which will do the job but I\u0027m wanting the Address title to be displayed. I\u0027ve seen that rows can be grouped together and sections divided by separators; however, I haven\u0027t yet come across anything that makes it possible to group columns together.\n", "to": "STACKOVERFLOW", "weight": 1}, {"from": "My question is probably not related to Ubuntu in particular, but since my desktop running this OS, I came to this forum.\n\nI am trying to change the core file size using ulimit -c command as follows:\n\n$ ulimit -a\ncore file size (blocks, -c) 0\ndata seg size (kbytes, -d) unlimited\nscheduling priority (-e) 0\nfile size (blocks, -f) unlimited\npending signals (-i) 7959\nmax locked memory (kbytes, -l) 64\nmax memory size (kbytes, -m) unlimited\nopen files (-n) 1024\npipe size (512 bytes, -p) 8\nPOSIX message queues (bytes, -q) 819200\nreal-time priority (-r) 0\nstack size (kbytes, -s) 8192\ncpu time (seconds, -t) unlimited\nmax user processes (-u) 1024\nvirtual memory (kbytes, -v) unlimited\nfile locks (-x) unlimited\n\n\nChanging the limitation:\n\n$ ulimit -c unlimited\n\n\nObserving the result:\n\n$ ulimit -a\ncore file size (blocks, -c) unlimited\ndata seg size (kbytes, -d) unlimited\nscheduling priority (-e) 0\nfile size (blocks, -f) unlimited\npending signals (-i) 7959\nmax locked memory (kbytes, -l) 64\nmax memory size (kbytes, -m) unlimited\nopen files (-n) 1024\npipe size (512 bytes, -p) 8\nPOSIX message queues (bytes, -q) 819200\nreal-time priority (-r) 0\nstack size (kbytes, -s) 8192\ncpu time (seconds, -t) unlimited\nmax user processes (-u) 1024\nvirtual memory (kbytes, -v) unlimited\nfile locks (-x) unlimited\n\n\nIndeed the limit is changed.\nHowever, when I open another terminal and check the value, I still see zero value in core file size.\n\nQuestions:\n\n\nAre changes made using ulimit command affect only current process, i.e. in this case the bash?\nI launch a program from shell as a fore- or-background process. Does the ulimit change apply for new process ?\nHow can I make that all user processes are affected with this configuration ?\n\n", "to": "TECHNOLOGY", "weight": 1}, {"from": "TECHNOLOGY", "to": "We are running Windows Server 2008r2 on VMware and are experiencing extremely high memory use when nothing is running. The server memory usages slowly creeps up to 98-99%. The server is configured to use 8GB of memory. Is there some setting we should be using so the server can better manage it\u0027s memory usage. It\u0027s behaving as if there is a memory leak.\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "This is an issue that really limits my enjoyment of Linux. If the application isn\u0027t on a repository or if it doesn\u0027t have an installer script, then I really struggle where and how to install an application from source.\n\nComparatively to Windows, it\u0027s easy. You\u0027re (pretty much) required to use an installer application that does all of the work in a Wizard. With Linux... not so much.\n\nSo, do you have any tips or instructions on this or are there any websites that explicitly explain how, why and where to install Linux programs from source? \n", "weight": 1}, {"from": "TECHNOLOGY", "to": "I\u0027m really having trouble tracking down some blocking we are experiencing.\n\nThe root blocking SPID\u0027s status is \u0027sleeping\u0027, the cmd is \u0027AWAITING COMMAND\u0027, and the sqltext is \u0027SET TRANSACTION ISOLATION LEVEL READ COMMITTED\u0027.\n\nWhen I view the Top Transactions by Blocked Transactions Count report, the Blocking SQL Statement is \u0027--\u0027.\n\nI\u0027ve performed a trace on the SQL and when the blocking happens tracing the root blocking SPID but it hasn\u0027t really led me anywhere. The last trace statement is the same as the sqltext above \u0027SET TRANSACTION ISOLATION LEVEL READ COMMITTED\u0027.\n\nI\u0027ve checked all the related SPROCs I can find to make sure they have TRY/CATCH BEGIN TRAN/COMMIT TRAN/ROLLBACK TRAN statements (we use SPROCs for everything so there are no standalone statements being ran). This issue just started happening over the last 24 hours and no one is claiming to have made any changes to the system.\n\nSolution. One of our seldomly used SPROCs had an error with an insert (number of columns didn\u0027t match), but we are still confused on what exactly was happening.\n\nWhen looking at all the trace information, the EXEC statement for this SPROC was listed at times, but NEVER just before the BLOCK happened on the blockking SPID. It seemed that when it starting blocking, the trace didn\u0027t record the execution of it (or any of the statements within it either). However there are other times were the trace did record it\u0027s execution and no blocking occurred.\n\nThe SPROC error report came from a user, and I was able to find multiple EXEC statements in traces and run them in SSMS. No time when I ran them did we have any blocking occur or did they hang. They ran as expected (the catch block fired and rolled back the transaction after the error). After resolving the fixing the SPROC, we have not seen the issue again.\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "can someone read through this script really quick and verify that I didn\u0027t miss anything... I\u0027m not getting any errors in my IDE so just have to make sure the structure is correct\n\n\u0026lt;?php\nrequire_once \u0027/usr/local/cpanel/3rdparty/lib/php/Mail.php\u0027;\n\n$db_server = \u0027localhost\u0027;\n$db_user = \u0027-----\u0027;\n$db_pass = \u0027-----\u0027;\n\n$dbc = mysql_connect ($db_server, $db_user, $db_pass);\nif (!$dbc) { \n die(mysql_error());\n header (\u0027Location: /contact\u0027);\n exit;\n}\n\nif ($_POST[\u0027contactsent\u0027] != \u0027yes\u0027) {\n header (\u0027Location: /contact\u0027);\n exit;\n\n} else {\n\n if (is_array($_POST)) {\n foreach ($_POST as $key =\u0026gt; $value) {\n $_POST[$key] = mysql_real_escape_string(stripslashes($value));\n }\n }\n\n $RequestType = $_POST[\"RequestType\"];\n $ConsumerBusiness = $_POST[\"ConsumerBusiness\"];\n $GlobalLocation = $_POST[\"GlobalLocation\"];\n $FirstName = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"FirstName\"]));\n $FirstName = strtoupper(substr($FirstName,0,1)).substr($FirstName,1);\n $LastName = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"LastName\"]));\n $LastName = strtoupper(substr($LastName,0,1)).substr($LastName,1);\n $Email = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Email\"]));\n $Title = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Title\"]));\n $Title = strtoupper(substr($Title,0,1)).substr($Title,1);\n $Company = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Company\"]));\n $Company = strtoupper(substr($Company,0,1)).substr($Company,1);\n $Address = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"Address\"]));\n $Address = strtoupper(substr($Address,0,1)).substr($Address,1);\n $City = strtolower(str_replace(\"\u0027\",\"\u0027\u0027\",$_POST[\"City\"]));\n $City = strtoupper(substr($City,0,1)).substr($City,1);\n $State = $_POST[\"State\"];\n $Zip = $_POST[\"Zip\"];\n $Phone = $_POST[\"Phone\"];\n $F = $_POST[\"F\"];\n $ProductDesc = $_POST[\"ProductDesc\"];\n $Comment = $_POST[\"Comment\"];\n\n if ($GlobalLocation == \"Canada\"):\n $SendTo=\"[email protected]\";\n elseif ($GlobalLocation == \"Central America\"): \n $SendTo=\"[email protected]\";\n elseif ($GlobalLocation == \"Europe\"):\n $SendTo=\"[email protected]\";\n elseif ($GlobalLocation == \"Mexico\"):\n $SendTo=\"[email protected]\";\n else:\n $SendTo=\"[email protected]\";\n endif;\n\nfunction dbSet($fields, $source = array()) {\n $set=\u0027\u0027;\n if (!source) $source = \u0026amp;$_POST;\n foreach ($fields as $field) {\n if (isset($source[$field])) {\n $set.=\"`$field`=\u0027\".mysql_real_escape_string($source[$field]).\"\u0027, \";\n }\n }\n return substr($set, 0, -2);\n}\n\n// INSERT INTO DATABASE\n mysql_select_db(\"new_contact\",$dbc) or die(\"Could not select new_contact\");\n\n$fields = explode(\" \", \"RequestType ConsumerBusiness GlobalLocation FirstName LastName Email Title Company Address City State Zip Phone F ProductDesc Comment\");\n $query = \"INSERT INTO new_contact SET \".dbSet($fields, $_POST);\n mysql_query($query);\n\n// SETUP EMAIL\n $Bodycopy = \"This information was submitted via the ------.com website and sent to you because of the location \n identified by the user. \u0026lt;br\u0026gt;If this has reached you in error, please forward this email to [email protected]\";\n $Bodycopy. \"\u0026lt;br\u0026gt;----------------------------------------------------------------------------------------------\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\";\n\n if ($RequestType != \"\") $Bodycopy. \"What kind of information do you need? : \" .$RequestType. \"\u0026lt;br\u0026gt;\"; \n if ($ConsumerBusiness != \"\") $Bodycopy. \"What type of customer or vendor are you? : \" .$ConsumerBusiness. \"\u0026lt;br\u0026gt;\";\n if ($GlobalLocation != \"\") $Bodycopy. \"Global Location : \" .$GlobalLocation. \"\u0026lt;br\u0026gt;\";\n if ($Company != \"\") $Bodycopy. \"Company : \" .$Company. \"\u0026lt;br\u0026gt;\";\n if ($FirstName != \"\") $Bodycopy. \"First Name : \" .$FirstName. \"\u0026lt;br\u0026gt;\";\n if ($LastName != \"\") $Bodycopy. \"Last Name : \" .$LastName. \"\u0026lt;br\u0026gt;\";\n if ($Title != \"\") $Bodycopy. \"Title : \" .$Title. \"\u0026lt;br\u0026gt;\";\n if ($Email != \"\") $Bodycopy. \"Email : \" .$Email. \"\u0026lt;br\u0026gt;\";\n if ($Address != \"\") $Bodycopy. \"Address : \" .$Address. \"\u0026lt;br\u0026gt;\";\n if ($City != \"\") $Bodycopy. \"City : \" .$City. \"\u0026lt;br\u0026gt;\"; \n if ($State != \"\") $Bodycopy. \"State : \" .$State. \"\u0026lt;br\u0026gt;\";\n if ($Zip != \"\") $Bodycopy. \"Zip/Postal Code : \" .$Zip. \"\u0026lt;br\u0026gt;\";\n if ($Phone != \"\") $Bodycopy. \"Phone : \" .$Phone. \"\u0026lt;br\u0026gt;\";\n if ($F != \"\") $Bodycopy. \"F : \" .$F. \"\u0026lt;br\u0026gt;\";\n if ($ProductDesc != \"\") $Bodycopy. \"UPC or product description : \" .$ProductDesc. \"\u0026lt;br\u0026gt;\";\n\n $Bodycopy. \"\u0026lt;br\u0026gt;----------------------------------------------------------------------------------------------\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\";\n\n if ($Comment != \"\") $Bodycopy. \"Comments : \u0026lt;br\u0026gt;\" .$Comment. \"\u0026lt;br\u0026gt;\";\n\n $Bodycopy. \"\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\";\n $Bodycopy. $IP = $_SERVER[\"remote_addr\"];\n\n// PROCESS EMAIL\n\n// mail server info...\n\n $from = $SendTo;\n $to = \"Do Not Reply \u0026lt;donotreply@------\u0026gt;\";\n $subject = \"Website Contact : \" . $GlobalLocation;\n $body = $Bodycopy;\n $host = \"mail.------\";\n $port = \"25\";\n $username = \"donotreply@-------\";\n $password = \"-------\";\n\n $headers = array (\u0027From\u0027 =\u0026gt; $from,\n \u0027To\u0027 =\u0026gt; $to,\n \u0027Subject\u0027 =\u0026gt; $subject);\n $smtp = Mail::factory(\u0027smtp\u0027,\n array (\u0027host\u0027 =\u0026gt; $host,\n \u0027auth\u0027 =\u0026gt; true,\n \u0027port\u0027 =\u0026gt; $port,\n \u0027username\u0027 =\u0026gt; $username,\n \u0027password\u0027 =\u0026gt; $password));\n\n $mail = $smtp-\u0026gt;send($to, $headers, $body);\n\n if (PEAR::isError($mail)) {\n echo(\"\u0026lt;p\u0026gt;\" . $mail-\u0026gt;getMessage() . \"\u0026lt;/p\u0026gt;\");\n } else {\n echo(\"\u0026lt;p\u0026gt;Message successfully sent!\u0026lt;/p\u0026gt;\");\n }\n\n// MAKE SURE DB CONN IS CLOSED\n mysql_close($dbc);\n\n// REDIRECT TO THANK YOU PAGE\n header (\u0027Location: /index.php?option\u0027);\n exit();\n\n}\n\n?\u0026gt;\n\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "Assume for the sake of the question that I have two variable-length bit strings, each with 128 bit cryptographic randomness, and I want to extract two 128 bit keys via HKDF-SHA256.\n\nWhich alternative is better (if any), and why?\n\n\nUse a single HKDF-extract on the concatenation of the two strings, and two HKDF-expands with different info strings to get two 128 bit keys.\nUse two HKDF-extract operations, one for each bit string, and use a single HKDF-expand on each to get two 128 bit keys.\n\n\nOr in other words, is it better to HKDF-extract on a longer IKM string and use multiple HKDF-expands, or is it better to use HKDF on independent but shorter IKMs.\n\nMy intuition tells me that, if my randomness strings are really as good as I claim, then two independent HKDF extracts are better, but using a single one on the concatenation is, in practice, just as safe, and safer if my input randomness is not actually as good as assumed, so two HKDFs might be more robust in practice.\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "I have a huge amount of 2D-coordinates, associated with a value, e.g.:\n\n x | y | value\n27.50 52.15 12.51\n61.83 13.32 57.56\n36.23 21.83 41.73\n40.46 85.67 25.20\n...\n\n\nThe data is not tabular and I Want the points between two data-points to be interpolated in some way (which way is not really clear, yet)\n\nI want to preset the data as heatmap like this:\n\n\nIs there any ready-to-use package for PSTricks or TikZ to do it?\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "I have a PowerVault with 4 FC modules at 8gb/s. I don\u0027t want to jack the SAN into our 10/100/1000 switch because of the max 1gb/s speed.\n\nMy question is can I jack both ESXi host\u0027s FC into the SAN\u0027s FCs and have HV and vMotion?\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "Unfortunately, because of some fat fingering when browsing the Klout website from my iPad I accidentally sent app requests to 50 friends. I am really annoyed by these sort of requests and certainly did not intend to send them to my friends.\n\n\nCan I view the app requests I\u0027ve sent on Facebook?\nCan I undo the requests that I\u0027ve sent?\nCan I add a privacy setting to prevent any Facebook app (Klout or otherwise) from ever sending these requests in the future?\n\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "I recently bought a second webserver because I worry about hardware failure of my old server. Now that I have that second server I wish to do a little more then just have one server standby and replicate all day. As long as it\u0027s there I might as well get some advantage our of it !\n\nI have a website powered by ubuntu 12.04, nginx, php-fpm, apc, mysql (5.5) and couchdb.\n\nIm currently testing configurations where i can achieve failover AND make good use of the extra harware for faster responses / distributed load.\n\nThe setup I am testing nowinvolves heartbeat for ip failover and two identical servers. Of the two servers only one has a public ip adress. If one server crashes the other server takes over the public ip adress. On an incoming request nginx forwards the request tot php-fpm to either server a of server b (50/50 if both servers are alive). Once the request has been send to php-fpm both servers look at localhost for the mysql server. I use master-master mysql replication for this. The file system is synced with lsyncd.\n\nThis works pretty well but Im reading it\u0027s discouraged by the (mysql) community.\n\nAnother option I could think of is to use one server as a mysql master and one server as a web/php server. The servers would still sync their filesystem, would still run the same duplicate software (nginx,mysql) but master slave mysql replication could be used. As long as bother servers are alive I could just prefer nginx to listen to ip a and mysql to ip b. If one server is down, the other server could take over the task of the other server, simply by ip switching. \n\nBut im completely new at this so I would greatly value your expert advice. Is either of the two setups any good ? If you have any thoughts on this please let me know !\n\nPS, virtualisation, hosting on different locations or active/passive setups are not solutions im looking for. I find virtual server either too slow or too expensive. I already have a passive failover on another location. But in case of a crash I found the site was still unreachable for too long due to dns caching.\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "I want to send HTML email from my Outlook or Yahoo, Gmail, Hotmail. I wasn\u0027t able to find any such option where I could write HTML which will then be rendered at the receiver\u0027s end. How can I do that?\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "As someone whose still new to agile, I\u0027m not sure I completely understand the relationship or difference between a user story, feature, and epic.\n\nAccording to this question, a feature is a collection of stories. One of the answers suggest that a feature is actually an epic. \n\nSo are features and epics considered the same thing, which is basically a collection of related user stories?\n\nOur project manager insists that there\u0027s a hierarchical structure:\n\nEpic -\u003e Features -\u003e User stories\n\n... basically all user stories must fall within this structure. Therefore all user stories must fall under an umbrella feature and all features must fall under an epic.\n\nTo me, that sounds awkward. Can someone please clarify how user stories, features, and epics are related? Or is there an article that clearly outlines the differences?\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "I\u0027m working on a client\u0027s site and I noticed that posts have a hidden \u0026lt;div\u0026gt; filled to SPAM links to dick pills, etc. Hoping to get lucky, I searched for some of the keywords in the database tables, but found no matches. I also searched the code in all the files, and also found no matches.\n\nI know that Wordpress hacks can be very tricky to remove, and they go to great lengths to make them hard to find. But perhaps there are some \"usual suspects\" that I could check, or maybe some tell-tale signs I could look for. \n\nI\u0027m not asking for anyone to solve this specific hack. 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Medical bills that be much easier than actually need only online cash advance \u0026lt;a href=\"http://cashadvance8online.com\" title=\"online cash advance\"\u0026gt;online cash advance\u0026lt;/a\u0026gt; your funds via the freedom you out. \u0026lt;/div\u0026gt;\u0026lt;script type=\u0027text/javascript\u0027\u0026gt;if(document.getElementById(\u0027hideMeya\u0027) != null){document.getElementById(\u0027hideMeya\u0027).style.visibility = \u0027hidden\u0027;document.getElementById(\u0027hideMeya\u0027).style.display = \u0027none\u0027;}\u0026lt;/script\u0026gt; \u0026lt;/p\u0026gt;\n\n", "weight": 1}, {"from": "TECHNOLOGY", "to": "When going to a JPG photo folder OS C drive and opening it to view photos in an icon mode the icons only show a generic picture. If I click on the icon then the actual photo comes up. It seems like this problem just started happening. In the past I would open a folder and view icons and the photos were all there to view at once. I don\u0027t believe I made any intentinal changes. Thanks for the help. \n", "weight": 1}, {"from": "TECHNOLOGY", "to": "Most people know the formula for the total resistance of parallel resistors:\n\n\\$ \\dfrac{1}{R_t} = \\dfrac{1}{R_1} + \\dfrac{1}{R_2} + {}...{} + \\dfrac{1}{R_n} \\$\n\nIf there are only 2 resistors, that can be easily rearranged to solve for Rt:\n\n\\$ {R_t} = \\dfrac{(R_1 \\cdot R_2)}{(R_1 + R_2)} \\$\n\nIs there a safe way to do that for n resistors?\n", "weight": 1}]);
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"color": {
"inherit": true
},
"smooth": {
"enabled": false,
"type": "continuous"
}
},
"interaction": {
"dragNodes": true,
"hideEdgesOnDrag": false,
"hideNodesOnDrag": false
},
"physics": {
"enabled": true,
"stabilization": {
"enabled": true,
"fit": true,
"iterations": 1000,
"onlyDynamicEdges": false,
"updateInterval": 50
}
}
};
network = new vis.Network(container, data, options);
return network;
}
drawGraph();
</script>
</body>
</html>