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• What solution would you suggest for implementing both chat and IM on the site?

  - by AlexPolo

  Should I pick up IRC or go another route? What I need are public chat and private instant messaging on my social network. (I plan to rent VPS for the matter.)

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• What is a good free ODBC viewer?

  - by wshato

  At my job I have to work with three different databases. One is a SQL Server 2008, for which I use SQL Server Management Studio, and another is MySQL, for which I use the MySQL tools. The third however is a Cache database that I can only access through a ODBC connection. Currently I use the SLIK software ODBC View tool to access it, but it is severely lacking when compared with the other two tools. Can anyone recommend a good tool for this type of work?

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• Whats the best way to backup a MySQL table without file privileges and command line access?

  - by asdasd

  Im on a not so great shared hosting plan. I cant get file privileges for mysql so i cant do SELECT INTO outfile, and i dont have command line access so I cant use mysqldump. What can I do to get a decent table backup?

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• What do you do if a webservice in unavailable when updating a dropdown?

  - by John

  I am populating a dropdown from a jquery ajax call to a web service that is returning json data. If for some reason the webservice fails or is unavailable how do I handle this? I don't want to have my users looking at an empty dropdown. How can I cache the last successful call and use that instead?

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• Looking for libraries which implement sequential minimal optimization in C++

  - by Anton

  I want to use SMO (Sequential Minimal Optimization) in order to train an SVM (Support Vector Machine). Can anyone suggest existing C++ libraries which implement SMO? I plan to use this to train an SVM to find an object in a picture (probably a human).

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• which linux flavour should I use to for my hosting server?

  - by rabbit

  Hi, We plan to host our website on a linux server. The site is created using java based technologies and will run on multiple instances of tomcat with apache in the front. I want to go in for a 64 bit linux OS so that I can install 64bit jvm. So my options are : Ubuntu Fedora CentOS which one (and which version) would be the most stable?

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• IIS headers of aspx page appear on page sometimes, any idea why?

  - by Chris

  At random this output it occurring at the top of the page. Site is installed on a lot of servers issue only happens on one server. HTTP/1.1 200 OK Date: Mon, 24 May 2010 04:18:30 GMT Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET X-AspNet-Version: 2.0.50727 Cache-Control: private Content-Type: text/html; charset=utf-8 Content-Length: 39611

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• Qt/C++ or C#, which learn first??

  - by myax

  I already know C++ console programming. So shall i learn Qt for c++ or c# first?? I eventually plan to learn both anyways. Also, how long will each one take. The only programming language i know is c++.

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• deploying asp.net appication using public ip

  - by abrar

  i want to deploy our official asp.net web application (Enterprise Resource Plan ) which mostly contain critical data. currently we have deployed it on internal machine on intranet now we want to open it for public i.e on web what would be the best deploying strategy so that application remain fast,data secure and prevent unauthorized access. we have also a public ip and also have a server machine.

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• Is there a link to the "latest" jquery library on Google APIs?

  - by Nick Pierpoint

  I use the following for a jquery link in my <script> tags: http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.js Just wondered if anyone had discovered whether there's a link to the "latest" version: Something like the following (which doesn't work): http://ajax.googleapis.com/ajax/libs/jquery/latest/jquery.js (Obviously not necessarily a great plan to link your code to potentially changing libraries but useful in development)

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• Android dev platform supporting OpenGL ES 2.0: Where to buy?

  - by pixelpush

  I plan to port some camera and multimedia algorithms and functionality on a Qualcomm Snapdragon platform running Android. I need OpenGL ES 2.0 acceleration for many algorithms. Which platform is the right one? Also, where can I purchase this? The Android dev platform on Google's website supports on OpenGL ES 1.x Thanks for any input.

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• How can I estimate server costs for creating an app?

  - by G Dottin

  Im writing up a business plan and im having some trouble with the finance part. I put an estimate on the cost of developers, web designers and everything but server costs. Im not a programmer so I dont know all the details. But how much would you think servers are going to cost for a complex app. I cant get into too many details but it keeps track of user preferences, stores data about the user and there is quite alot of back-end to it.

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• Any non-rails ruby forum application out there?

  - by happywithsinatra

  I have a rather complete application based on sinatra. I feel in need for an easy to integrate forum module (code, extension, etc.). Running a parallel Rails application is not an option on my tiny VPS plan (I even use redis to keep a small footprint). A sinatra based forum would be great news. Thanks

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• Does anyone know what is the 32 character string before the product image filename in Magento ?

  - by Daniel Higgins

  I ask this question, since I am trying to get the images I have just copied from Domain A to work in Domain B, (which is using the same database). http://DOMAIN_A/magento/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/b/0/b0041-1.jpg I think knowing what the 32 character string is, which help me find a good explanation why the images are not being found in the front or backend of Magento after reinstall on DOMAIN B. RE: Magento version 1.4.0.1

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• Is it expensive to hold on to PreparedStatements? (Java & JDBC)

  - by sbook

  I'm trying to figure out if it's efficient for me to cache all of my statements when I create my database connection or if I should only create those that are most used and create the others if/when they're needed.. It seems foolish to create all of the statements in all of the client threads. Any feedback would be greatly appreciated.

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• How does SO's form remember previous input values?

  - by user198729

  I've noticed that the Title or Body part is remembered if I come back to the Ask Question page by pressing Back button of my browser. This feature is available in all browsers I tested, but doesn't exist for the forms in my own projects. How can I approach that effect? UPDATE I still don't have any clue yet,but guess it that some kind of client cache enabled by http headers or javascript?

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• How does browser search tool work on web page?

  - by GTM

  I am trying to figure out how the search tool in a web browser is being able to parse through the entire web page(assuming huge content on a page) and highlight the result as we type. Does it pre-cache the page while loading in a map or use regex to get a quick result on the fly?

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• Is there any way to trigger some macro after build in visual studio

  - by uzay95

  I want to count how many times i built on VS.NET . I have a plan. If i run svn commit when i build to project, i would have build count on revision number :) I didn't write any macro which can execute a command. And i don't know visual studio is allowing to prebuild event for this kind of request.

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• problem with logout(php) i am new to the site so still have problem in asking questions

  - by jabsy

  I'm getting a problem here when i try to logout, the session is destroy but i still can go inside to that page and view details without login first by using browser mozilla Back button or history cache! How can i solve that? Anybody help me please... code for logout is

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• What is the most recommended resource to learn PHP extensions?

  - by Itay Moav

  I need to learn how to develop PHP extensions. So, I assume I have to refresh my CPP skills (or is it C?). What IDE should I use (auto-completion, object browsers etc). I plan to develop on Ubuntu 32. Is there a good book or good website I can learn from?

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• Detecting if two png images are different

  - by Benjol

  (Context: running autohotkey scripts to try and automate some tests. The plan is to take screenshots and then compare them to 'standard' screenshots to detect if output has changed). Is there a 'clever' way to check if two png images are different? By clever I mean other than comparing them byte by byte? (after having compared their size, obviously)

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• Android acclerometer mouse

  - by coolvibs123

  I am planning to develop an accelerometer based mouse on the android platform. the mobile device which i plan to use is htc nexus one. the cursor should move as the mobile is moved is space. will that be difficult compard to movement wrt gravity?

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• Beginning PHP for someone interested in Security

  - by MaXX

  I'd like to learn PHP specifically for dealing with security vulnerabilities/exploits. Could someone recommend a book? I don't know if I need to learn HTML/CSS/XML/XHTML etc, do I have to learn those too? I don't really plan on designing websites, could anyone help me with this? :P

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• How expensive is synchronization?

  - by someguy

  I am writing a networking application using the java.nio api. My plan is to perform I/O on one thread, and handle events on another. To do this though, I need to synchronize reading/writing so that a race condition is never met. Bearing in mind that I need to handle thousands of connections concurrently, is synchronization worth it, or should I use a single thread for I/O and event handling?

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• Installing .net Framework 4 and keeping 3.5

  - by ryudice

  If I install framework 4 will it replace framework 3.5? I still work on many applications using framework 3.5 which I do not plan to migrate in the near future however I'd like to use framework 4 for new projects.

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