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• Clean way to assign value unless empty

  - by atmorell

  Hello, I often need to assign a variable, if the source value is set. So far I have done it like this: filters[:red] = params[:search][:red] unless params[:search][:red].nil? This works but looks a bit clumsy. There must be a more DRY way of getting this result. Any suggestions? Best regards. Asbjørn Morell.

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• Encrypt and Decrypt information in a cookie.

  - by xRobot

  I need to securely crypt and decrypt information about users ( name, surname and user_id ) in cookies. What is the best way to do this ? What encryption and decryption function do I need ? Thanks ^_^

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• my.cnf: Improve speed of adding new columns and indexes in large MySQL tables

  - by Dan

  I have a large table ( 10 million rows) which I am adding new columns and indexes to. This is taking progressively longer and longer to complete. I have a powerful server with 16GB of memory available. What are the best settings in my.cnf to increase in order to speed this process up?

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• Step by Step validation with jquery validation plugin

  - by Alex

  I know its been asked many times already but no one could come up with solution so far. The idea is to have one form separated into few steps and validate each step on next click of the button. I know jquery validation plugin is offering quite complicated way of doing it with accordion but can anyone come up with a simple solution something like var stepOne = { rules: { fieldname1: "required", fieldname2: "required", } } $("form").validate(stepOne); //onclick hope someone could suggest the best way of doing it. Thanks.

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• wait for file creation

  - by wasd_sederap_wasd

  Hello, i have a silverlight app which calls a webservice. that webservice encodes a wav file to mp3 format. how should be the best way to wait for full mp3 file creation? regards

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• Adding Sharepoint 2007/2010 ontop of TFS 2010

  - by Doug

  So i finally have everything up and running and everyone is mostly happy - TFS 2010 rocks! However i now want to add office sharepoint, i didn't want to have it installed first because i was worried that it would stuff with things and i wanted to look back on the TFS installation, once i knew how portals were created. So what is the best way to now add sharepoint to the installation without stuffing things up? i have a 2 server environment, with TFS on one and the database on another.

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• How to test if a MS SQL 2008 database can serve 200 concurent users

  - by sh00

  I have a MS SQL 2008 database in 3NF. I must check if the db can support many concurent users. Which is the best method ? [Is there any free tool to do this ?] Thank you very much.

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• Would server traffic software (something like Piwik or Google) make a good case for using No SQL?

  - by Scott Faisal

  We are trying to develop a company specific tracking software but not interested in Google or Piwik. Essentially we would have a JavaScript tracking code also. The data that it would capture, would that be best suited for traditional RDMS or can we get a NO SQL solution ? Any thoughts or ideas welcome.

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• How can I easily save the Window size and position state using Obj-C?

  - by Luke

  What is the best way to remember the Windows position between application loads using Obj-C? I am using Interface Builder for the interface, is it possible to do this with bindings. What is the recommended method? Thank you.

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• how to detect if openGL/card supports non power of 2?

  - by Nick

  What is the best way to detect if a graphics card and compiled openGL binary supports textures which are not a power of 2 at run time?

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• opensourcing a website code

  - by pygabriel

  Hi! I'm writing a little website (webapp) in php+codeigniter, I'd really like to make it open source (to attract collaborators and to have a free VCS hosting). Is that a good practice? This mine security? Which are the best tools to change important data before uploading? (like config files with db names and passwords used for testing etc..)

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• Accessing Subversion commit data externally

  - by gaoshan88

  I have need to access subversion data (commit messages, files updated, revision numbers, dates modified, author, etc.) externally. Is this something for some sort of subversion hook or is there a decent third party package for this or some other "best practice" way to approach accessing subversion data externally (and by external I mean from a php/ruby or python script... external to subversion itself)?

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• How to choose between UUIDs, autoincrement/sequence keys and sequence tables for database primary keys?

  - by Tim

  I'm looking at the pros and cons of these three primary methods of coming up with primary keys for database rows. So assuming I am using a database that supports more than one of these methods, is there a simple heuristic to determine what the best option would be for me? How do considerations such a distributed/multiple masters, performance requirements, ORM use, security and testing have on the choice? Any unexpected drawbacks that one might run into?

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• PHP - Language Data

  - by bobrusha

  What's the best way to store language data? Keep it as variables in some kind of lang.php file... $l_ipsum = 'smth'; $l_rand = 'string'; Or select them from a database? I'm in search of your advice.

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• Repurposing a site for mobile platform

  - by user272769

  I have an existing website running. I want this site to be able to be viewed on mobiles smart phones as well. I am ready to shave off some stuff, but would like to know how can I test this and are there any tools/guidelines on how to repurpose the site to be best viewed on mobile phones ? How to detect on the web site whether a mobile phone or a PC is hitting the site and accordingly serve the appropriate content.

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• Learn Silverlight or WPF first?

  - by Phil Wright

  It seems that Silverlight/WPF are the long term future for user interface development with .NET. This is great because as I can see the advantage of reusing XAML skills on both the client and web development sides. But looking at WPF/XAML/Silverlight they seem very large technologies and so where is the best place to get start? I would like to hear from anyone who has good knowledge of both and can recommend which is a better starting point and why.

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• String split operations in C# .

  - by Indigo Praveen

  Hi All, I have a string say string s ="C:\\Data" , I have an array which contains some strings containg "C:\Data" in the beginning i.e. string[] arr = new {"C:\\Data\abc.xml","C:\\Data\Test\hello.cs"};. I have to remove the string "C:\Data" from each entry and have to combine it with another string say string fixed = "D:\\Data". What is the best way to do it, please help as I am a new programmer in C#.

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• How do you create a sharesystem between two nodes in a cluster for a Rails app?

  - by Trip

  I deployed to a cluster, and realized that each node holds its own independant database. I am currently using Engine Yard as my host. How can I create a sharesystem so that all my nodes/instances share the same file system? Some people recommend S3, but this may not be the best choice because my users need to be able to edit their files they upload. Any ideas?

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• What are the most popular version control softwares and why?

  - by gnucom

  Hey Everyone, I'm an employee at a small company that is going to be launching a version control system soon and I'm trying to consider which software would best serve this company for version control. I wanted to get as many opinions as possible. Right now, I'm experimenting with Trac and Indefero running atop a SVN server. So my question is, what is the most popular/favorite version control software and why? ??t??!

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• Is anybody create Flash RIA with Java server side?

  - by dvm

  We are trying to create Flash online game) Can you help me to choose the best way to communicate this two technology? Now I have chosen BlazeDS, but I am not sure, mb XML socket, or anything else.....

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• Changing keyboard layout on application focus

  - by Anonymous Coward

  Hi Everyone As everybody knows the en-US Keyboard-layout is the best one for programming. So I'd like to use it in my IDEs. But since I live in a non-en-US country I need the de-CH layout for all other applications. Now I wonder if it is possible to set the layout depending to which application currently has the focus. If that is possible, can a human brain adapt to such a behaviour or is it just confusing? cheers, AC

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• A reliable, Australia-based ASP.NET Web Hosting

  - by Leonardo

  In the excellent Secret Geek’s Building a Micro-ISV series, Leon Bambrick admits that he prefers to host his sites in the US because of the prices and proximity to his target market. For Australian companies and start-ups, what’s the best ASP.NET web hosting in the country? Should a company consider hosting its website overseas even if the potential market is in here?

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• How to build a tree from a list of items and their children recursively in php?

  - by k1lljoy

  I have a list of items stored in the DB, simplified schema is like this: id, parent, name I need to generate a tree structure (in a form of a multi-dimensional array) that can be infinite levels deep. Top level items would have parent = 0. Next level down would have parent equal to the the id of the parent item, fairly straight forward. What would be the best way to do this, while consuming as little resources as possible?

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• what is the recommended way of running a embedded web server within a desktop app (say wsgi server w

  - by btbytes

  The desktop app should start the web server on launch and should shut it down on close. Assuming that the desktop is the only client allowed to connect to the web server, what is the best way to write this?

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• Implementing In App purchases in Android?

  - by hgpc

  It looks like Android won't natively support in-app purchases for a while, and when it does there might be a huge user base with devices that don't support them. What's the best way to implement iPhone-like (additional content or services) in-app purchases in Android using the Android Market if possible? The solution should consider in particular: For all kinds of in-app purchases: Android Market's 24-hour cancellation policy For consumables/non-consumables: storage of additional content (ie: use precious application memory to avoid piracy, or use SD card to avoid bloating application memory) Thanks!

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