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Rails raw SQL example

... be read-only). Some DBs support materialized views, which might be a good idea for performance. Also consider hardware or VM specs on Rails server and DB server, config, disk space, network speed/latency/etc., proximity, etc. And consider putting DB on different server/VM than the Rails app if you...
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Initializing a static std::map in C++

...or static members of a class which needs to be initialized and you have no idea when it gets used first but you want to assure that the values are available in it. If say, you've got to insert elements into an existing std::map... here's another class for you. template <typename MapType> cla...
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How to create EditText with rounded corners? [closed]

...t box. The error log gives me a 'UnsupportedOperationException:null'. Any ideas? – Ben Clayton Apr 6 '11 at 15:13 Goo...
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When do I use the PHP constant “PHP_EOL”?

When is it a good idea to use PHP_EOL ? 19 Answers 19 ...
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Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine

... This is a nice idea, but actually not licensed. Microsoft's IE licenses expressly forbid redistribution, and while they are unlikely to come down on this sort of application if your organisation is audited it technically counts as pirated. ...
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Best way to serialize an NSData into a hexadeximal string

...ice-cocoa way to serialize an NSData object into a hexadecimal string. The idea is to serialize the deviceToken used for notification before sending it to my server. ...
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Cleanest way to write retry logic?

... This is possibly a bad idea. First, it is emblematic of the maxim "the definition of insanity is doing the same thing twice and expecting different results each time". Second, this coding pattern does not compose well with itself. For example: Sup...
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JavaScript module pattern with example [closed]

... go into this, unfortunately you dont get tool support for this (I'm using IDEA). You need add files to the project with script tags like this: <script type="text/javascript" src="app/native/MasterFile.js" /></script> <script type="text/javascript" src="app/native/So...
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When should we call System.exit in Java

...om a batch file or shell script you'd be able to get this value and get an idea if the application was successful. It would make a quite an impact if you called System.exit(0) on an application deployed to an application server (think about it before you try it). ...
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How to run multiple Python versions on Windows

... Clever idea. BTW mklink is only natively available in Windows Vista/2008+. On XP and Server 2003 a "hardlink" could be created instead using fsutil hardlink create <new filename> <existing filename> and putting or moving...