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How to generate a random number in C++?

... The most fundamental problem of your test application is that you call srand once and then call rand one time and exit. The whole point of srand function is to initialize the sequence of pseudo-random numbers with a random seed. It means that if you pass the same value to srand in two differ...
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Favorite Django Tips & Features?

... This alleviates you from always type os.path.join() which gets annoying pretty fast: j = lambda filename: os.path.join(PROJECT_DIR, filename). Then you just need to type j("static"). – wr. Ma...
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Is it possible dynamically to add String to String.xml in Android?

...d to insert into the string, then they would be called 1$, 2$, and 3$. The order you place them in the resource string doesn't matter, only the order that you supply the parameters. format type: There are a lot of ways that you can format things (see the documentation). Here are some common ones: ...
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String, StringBuffer, and StringBuilder

...o, using String for logic operations is rather slow, and is not advised at all, since the JVM converts the String to a StringBuffer in the bytecode. A lot of overhead is wasted converting from String to StringBuffer and then back to String again. – Pieter van Niekerk ...
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Why {} + {} is NaN only on the client side? Why not in Node.js?

...le._commandLineAPI = new CommandLineAPI(this._commandLineAPIImpl, isEvalOnCallFrame ? object : null); expression = "with ((window && window.console && window.console._commandLineAPI) || {}) {\n" + expression + "\n}"; } var result = evalFunction.call(object, expression...
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Check that an email address is valid on iOS [duplicate]

...ailString@email.com" isValidEmail]) { /* True */ } if([@"InvalidEmail@notreallyemailbecausenosuffix" isValidEmail]) { /* False */ } share | improve this answer | follow ...
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mingw-w64 threads: posix vs win32

I'm installing mingw-w64 on Windows and there are two options: win32 threads and posix threads. I know what is the difference between win32 threads and pthreads but I don't understand what is the difference between these two options. I doubt that if I will choose posix threads it will prevent me fro...
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How do I focus on one spec in jasmine.js?

... its a good tip, but currently it isn't in jasmine. this is allowed by test runners like karma. for more info read on: github.com/pivotal/jasmine/pull/309 – p1100i Aug 12 '14 at 9:08 ...
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Difference between ApiController and Controller in ASP.NET MVC

...e best of both worlds: Controllers for Views, ApiControllers for data. In order to do that, you need to do the following: Install the following Web API packages using NuGet: Microsoft.AspNet.WebApi.Core and Microsoft.AspNet.WebApi.WebHost. Add one or more ApiControllers to your /Controllers/ fold...
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How do you split a list into evenly sized chunks?

...t and empty the second list for the next round of data, but this is potentially extremely expensive. 64 Answers ...