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• How to get rank based on SUM's?

  - by Kenan

  I have comments table where everything is stored, and i have to SUM everything and add BEST ANSWER*10. I need rank for whole list, and how to show rank for specified user/ID. Here is the SQL: SELECT m.member_id AS member_id, (SUM(c.vote_value) + SUM(c.best)*10) AS total FROM comments c LEFT JOIN members m ON c.author_id = m.member_id GROUP BY c.author_id ORDER BY total DESC LIMIT {$sql_start}, 20

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• Where can I find Microsoft Sql Profiler 2005?

  - by Kevin

  Is there a way to get the profiler without installing Microsoft Sql Server? If the answer is no, which edition do I need to get the profiler? Do I need the Developer Edition?

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• Why are some PNGs open in Photoshop with Indexed Colors and no transparency?

  - by Daniel Beardsley

  Why are some 32 bit PNGs opened in Photoshop with Indexed Colors and no transparency? For instance, I grabbed a png icon file of the Stack Overflow logo at: http://blog.stackoverflow.com/wp-content/uploads/icon-so.png When opening it in Photoshop CS3, it apparently treats it as indexed color and gets rid of the alpha channel. The image on the right is a screen grab of the icon. Changing the Image mode in Photoshop to RGB doesn't change the image at all. I've tried this with a few other PNGs and it seems hit or miss. When viewed in other programs, it displays fine. left:png opened in Photoshop, right:screen grab of png from browser What gives?, does Photoshop not interpret the PNG file format correctly?

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• How to let users change linux password from web browser?

  - by wag2639

  I'm not sure if this is a stackoverflow question or serverfault but here goes: I have an Ubuntu 10.04 file server (Samba/FTP/HTTP) and I would like to have the ability to give users the ability to change their password to the server using their web browser. I've written a similar script before using PHP and a mess of exec but I believe that isn't secure because it can be listened to by someone looking at the list of processes on the server. Is there some kind of plugin (PHP or Python or other) that can do this easily? I rather not use something like webmin as it's overkill for this.

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• What can I do to avoid losing original resolution when uploading or exporting photos from Picasa?

  - by Janet Levin

  I'm not a programmer, and/but after multiple email discussions and google searches confirmed the problem I'm describing, and after making changes in picasa preferences with no change in resolution loss (from say, 800kb original image to 235kb after export or upload), I'm at a dead end and thinking the answer may lie among you folks, even though I barely understand the language here.

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• How can I make a resizable array in Java?

  - by Soren Johnson

  What is the best way to do a resizable array in Java? I tried using Vector, but that shifts all elements over by when when you do an insert, and I need an array that can grow but the elements stay in place. I'm sure there's a simple answer for this, but I still not quite sure.

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• Merging Two Git Repositories with branches

  - by Joel K

  I realize there's a Stack Overflow question: http://stackoverflow.com/questions/277029/combining-multiple-git-repositories But I haven't found git-stitch-repo to be quite the tool I'm looking for. I also consider this more of a sysadmin task. How do I take code from an external repository and combine it with code from a primary repository while maintaining history/diffs and branches. Use case: An outside development team using SVN has ported to git and now wants to 'merge' their code in to the main company's git repo. I've tried subtree merges, but I lose the history. I've tried git-stitch-repo, but that process results in an entirely new repo that's missing branches. I just want to slot in some outside code as a sub-directory in our current main repo with as little disruption as possible and while maintaining the other project's history. Any success stories out there?

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• how to maintain checkbox status in pagination in php

  - by abdullah

  i ve used pagination. what the problem is for example: i ve 3 pages 1) in the first i'm clicking some checkboxes and 2) i move on to the second and 3) return back to the 1st page the checkbox that i already checked is unchecked. for form submission i need the checkbox status that i ve checked on all pages should be submit. i need a detail description and clear answer for my question. Is anybody there to help me pls.....

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• SVN propset svn:needs-lock on local directory

  - by Oded

  Hi, I want to set the svn:needs-lock property on a local directory, and then to commit it. I want to do it from the command line and it seems to not letting me. my command is: svn propset svn:needs-lock '*' d:\src_svn\Multilizer the answer I get is: svn: Cannot set 'svn:needs-lock' on a directory ('D:\src_svn\Multilizer') what can be the problem? thank you.

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• How to reverse a number as an integer and not as a string?

  - by Pritam

  I came across a question "How can one reverse a number as an integer and not as a string?" Could anyone please help me to find out the answer.

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• AppleScript .app - How to get the Scripts folder in the .app's "Bundle"

  - by just_a_dude

  Hi All, I'm really new to AppleScript so this is a real basic question but I couldn't find the answer or an example in the AppleScript ref. guide. I'm making a simple script that I'll bundle as an .app file, in the AppleScript Editor I can see the .app's Bundle Contents in which I have an icon a descritpion file and a "Scripts" folder. How do I access that content from the script? And how do I access Scripts inside the "scripts folder" Thanks

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• Why do we need mocking frameworks like Easymock , JMock or Mockito?

  - by Praneeth

  Hi, We use hand written stubs in our unit tests and I'm exploring the need for a Mock framework like EasyMock or Mockito in our project. I do not find a compelling reason for switching to Mocking frameworks from hand written stubs. Can anyone please answer why one would opt for mocking frameworks when they are already doing unit tests using hand written mocks/stubs. Thanks

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• Access Iphone Pim Data via web app

  - by Eric

  i think i know the answer to this question, but just want to make sure before i dismiss the possibility. is it possible with user permission for my web app to access pim data like the address book on a iphone, similar to how a web app can access the location service?

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• How can I get "Copy to Output Directory" to work with Unit Tests?

  - by spoon16

  When I build a unit test project before the tests are executed the test output is copied to a TestResults folder and then the tests are executed. The issue I'm having is that not all the files in the Debug/bin directory are copied to the TestResults project. How can I get a file that is copied to the Debug/bin directory to also be copied to the TestResults folder? EDIT: Here is a link to a similar question on another site (no answer there though), http://www.eggheadcafe.com/software/aspnet/29316967/files-and-unit-testing-wi.aspx

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• Learning C with ASM-ish adds

  - by VaioIsBorn

  I didn't know any better name for a title of the question. For ex: on one of my previous questions one answered ((a)-(b))&0x80000000) 31 - this is kind of a too advanced for me and i can't really get what it means. I am not looking just for an answer of that, but i need someone to tell me some books/sites/whatever where i can learn this cool "advanced" tricks in C - and learn how and where to use them respectively too.

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• What problems have you solved using constraint programming?

  - by knorv

  I'd like to know about specific problems you - the SO reader - have solved using constraint programming and what constraint logic language you used. Questions: What problems have you used constraint programming to solve? What constraint logic language did you use? I'm looking for first-hand experiences, so please do not answer unless you have that.

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• XmlDocument filter nodes by datetime string

  - by Eatdoku

  Trying to apply filter / attribute comparison in the Xmldocument. Obviously , the following code snippet wouldn't work because the expression can't be converted using number() function. (according to the answer of my other question). I'm wondering if there is a way to do the DateTime string comparison in XmlDoc. XmlNodeList test = x2PathDoc.SelectNodes("//Config /Entity [@TargetDateTime> '2010-12-19T03:25:00-08:00']");

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• Are there known problems with >= and <= and the eval function in JS?

  - by Augier

  I am currently writing a JS rules engine which at one point needs to evaluate boolean expressions using the eval() function. Firstly I construct an equation as such: var equation = "relation.relatedTrigger.previousValue" + " " + relation.operator + " " + "relation.value"; relation.relatedTrigger.previousValue is the value I want to compare. relation.operator is the operator (either "==", "!=", <=, "<", "", ="). relation.value is the value I want to compare with. I then simply pass this string to the eval function and it returns true or false as such: return eval(equation); This works absolutely fine (with words and numbers) or all of the operators except for = and <=. E.g. When evaluating the equation: relation.relatedTrigger.previousValue <= 100 It returns true when previousValue = 0,1,10,100 & all negative numbers but false for everything in between. I would greatly appreciate the help of anyone to either answer my question or to help me find an alternative solution. Regards, Augier. P.S. I don't need a speech on the insecurities of the eval() function. Any value given to relation.relatedTrigger.previousValue is predefined. edit: Here is the full function: function evaluateRelation(relation) { console.log("Evaluating relation") var currentValue; //if multiple values if(relation.value.indexOf(";") != -1) { var values = relation.value.split(";"); for (x in values) { var equation = "relation.relatedTrigger.previousValue" + " " + relation.operator + " " + "values[x]"; currentValue = eval(equation); if (currentValue) return true; } return false; } //if single value else { //Evaluate the relation and get boolean var equation = "relation.relatedTrigger.previousValue" + " " + relation.operator + " " + "relation.value"; console.log("relation.relatedTrigger.previousValue " + relation.relatedTrigger.previousValue); console.log(equation); return eval(equation); } } Answer: Provided by KennyTM below. A string comparison doesn't work. Converting to a numerical was needed.

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• How to make Windows display application crashes in the console?

  - by Name is carl

  I'm developping a C application on Windows 7 64 bits, and each time it crashes I get the following dialog: I would prefer something more "old school" with the complete error dumped in the console. Something like > HelloWorld The application has crashed in somedll.dll for some Horrible C reason. I have an error code 0x4445506 And a kinda stacktrace And walls of hexa 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 0x4445506 Is there a way to get that? Should I run my application with a command line debugger ? Note: should I post this on Stackoverflow instead?

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• How is Java Process.getOutputStream() Implemented?

  - by Amit Kumar

  I know the answer depends on the particular JVM, but I would like to understand how it is usually implemented? Is it in terms of popen (posix)? In terms of efficiency do I need to keep something in mind (other than using a Buffered stream as suggested by the javadoc). I would be interested to know if there is a general reference about implementations of JVMs which answers such questions.

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• Decision region plot for neural network in matlab

  - by Taban

  I have a neural network trained with backpropagation algorithm. I also create data set (input and target) random. Now I want to plot a decision region where each region is marked with a red star or with a blue circle according to whether it belongs to class 1 or -1. I searched a lot but just find plotpc function that is for perceptron algorithm. What should I try now? Any link or answer really helps. Thanks

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• A list vs. tuple situation in Python

  - by Alphonse

  Is there a situation where the use of a list leads to an error, and you must use a tuple instead? I know something about the properties of both tuples and lists, but not enough to find out the answer to this question. If the question would be the other way around, it would be that lists can be adjusted but tuples don't.

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• Which dll's are required to run osql.exe as a standalone?

  - by chama

  According to the accepted answer to this question, the osql.exe utility can be run as a standalone program on a computer without SQLServer, simply by copying the binary file to the new computer. My question is, however, which other files need to be copied along with osql.exe for it to work? Thanks so much!

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• In Javascript, how to avoid NaN when adding arrays

  - by Jonas

  I'm trying to add the values of two arrays in javascript eg. [1,2,1] + [3,2,3,4] The answer should be 4,4,4,4 but I'm either getting 4,4,4 or 4,4,4,NaN if I change the 1st array length to 4. I know a 4th number needs to be in the 1st array, but i can't figure out how to tell javascript to make it 0 rather then undefined if there is no number.

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• Change color of title bar in cocoa

  - by Nano8Blazex

  This must have been asked before, but after Googling I still can't find the answer. How do you change the color of the title bar (The bar that you can click and drag around with the close, minimize and maximize buttons) to a different color than the default gray in Cocoa?

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