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Permutations in JavaScript?

... Accessing globals in your function, bad form! – Shmiddty Oct 15 '16 at 14:54 add a comment  |  ...
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Pros and cons of AppSettings vs applicationSettings (.NET app.config / Web.config)

When developing a .NET Windows Forms Application we have the choice between those App.config tags to store our configuration values. Which one is better? ...
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#pragma once vs include guards? [duplicate]

... I have now switched to #pragma once, and the only reason for me is not performance or portability or standard as I don't really care what is standard as long as VS and GCC support it, and that is that: #pragma once reduces possibilities for bugs. It is all too easy to copy and paste a header file...
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Which characters need to be escaped in HTML?

...onal text (eg. when using the Arabic or Hebrew scripts). It has no graphic form, however, so it is difficult to see where these characters are in the text, and if they are lost or forgotten they could create unexpected results during later editing. Using ‏ (or its numeric character reference equiv...
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E731 do not assign a lambda expression, use a def

... Yes: def f(x): return 2*x No: f = lambda x: 2*x The first form means that the name of the resulting function object is specifically 'f' instead of the generic '<lambda>'. This is more useful for tracebacks and string representations in general. The use of the assignment ...
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C++11 rvalues and move semantics confusion (return statement)

... your first. The std::move on tmp is unnecessary and can actually be a performance pessimization as it will inhibit return value optimization. The best way to code what you're doing is: Best practice std::vector<int> return_vector(void) { std::vector<int> tmp {1,2,3,4,5}; return...
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What's the idiomatic syntax for prepending to a short python list?

...ation for the missing list.prepend() . Assuming my list is short and performance concerns are negligible, is 4 Answers ...
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How do browsers pause/change Javascript when tab or window is not active?

...mationFrame to run in different browsers, and gives you the results in the form of a distribution. You can change the number of milliseconds for setInterval to see how it runs under different settings. setTimeout works similarly to a setInterval with respect to delays. requestAnimationFrame generall...
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What's the role of GetHashCode in the IEqualityComparer in .NET?

...nteger representation of the object. Since there is no limit to how much information an object can contain, certain hash codes are shared by multiple objects - so the hash code is not necessarily unique. A dictionary is a really cool data structure that trades a higher memory footprint in return f...
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?

...plied by the answer, but not explicitly stated. To me, this is critical information that would be perfect for inclusion in your answer! :) – rinogo Feb 27 '15 at 5:57 ...