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When to use static vs instantiated classes

...wn (like a user has a name) use a static class when it's just a tool that works on other stuff (like, for instance, a syntax converter for BB code to HTML ; it doesn't have a life on its own) (Yeah, I admit, really really overly-simplified...) One thing about static methods/classes is that they d...
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Why do we copy then move?

... Before I answer your questions, one thing you seem to be getting wrong: taking by value in C++11 does not always mean copying. If an rvalue is passed, that will be moved (provided a viable move constructor exists) rather than be...
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window.onload vs

...d event of the body tag? when do I use which and how should it be done correctly? 13 Answers ...
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What are the Ruby File.open modes and options?

...------- "w" | Write-only, truncates existing file | to zero length or creates a new file for writing. -----+-------------------------------------------------------- "w+" | Read-write, truncates existing file to zero length | or creates a new file for reading and writing. -----+-------...
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Elegant method to generate array of random dates within two dates

...ited Jan 16 '14 at 14:34 Paolo Moretti 45.4k2121 gold badges9191 silver badges8888 bronze badges answered Jan 27 '12 at 15:29 ...
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Math.random() versus Random.nextInt(int)

... Here is the detailed explanation of why "Random.nextInt(n) is both more efficient and less biased than Math.random() * n" from the Sun forums post that Gili linked to: Math.random() uses Random.nextDouble() internally. Random.nextDouble() uses Random.next() twice to generate a doub...
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setuptools: package data folder location

...ta files inside the root of your Python package is that it lets you avoid worrying about where the files will live on a user's system, which may be Windows, Mac, Linux, some mobile platform, or inside an Egg. You can always find the directory data relative to your Python package root, no matter wher...
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Is there a literal notation for an array of symbols?

I like this literal expression for an array of strings: 2 Answers 2 ...
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How can I change property names when serializing with Json.net?

... You could decorate the property you wish controlling its name with the [JsonProperty] attribute which allows you to specify a different name: using Newtonsoft.Json; // ... [JsonProperty(PropertyName = "FooBar")] public string Foo { get;...
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Why there is no “Home” button in iPad simulator in iOS 5.1 SDK?

How to simulator the action of "press the home button"? 4 Answers 4 ...