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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 ...
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Generic type parameter naming convention for Java (with multiple chars)?

...ionally followed by a single numeral (such as E, T, X, T2) A name in the form used for classes (see Section 5.2.2, Class names), followed by the capital letter T (examples: RequestT, FooBarT). Issues “Without this convention, it would be difficult to tell the difference between a type v...
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How can I declare and use Boolean variables in a shell script?

... Lots of incorrect information, here. /bin/true isn't being used effectively. See Dennis' answer. – ajk Feb 20 '14 at 1:09 ...
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Python - Create a list with initial capacity

... This isn't valid; you're formatting a string with each iteration, which takes forever relative to what you're trying to test. Additionally, given that 4% can still be significant depending on the situation, and it's an underestimate... ...
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What's wrong with nullable columns in composite primary keys?

...n relational database design." - a null-free database design (Sixth normal form) invariably adds complexity, the space-savings gained are often outweighed by the extra programmer work needed to realise those gains. – Dai May 28 '16 at 13:11 ...
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Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)

...ayoutRounding" Value="True" /> <Setter Property="TextOptions.TextFormattingMode" Value="Display" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="local:MyWindow"> <Border x:Name="WindowBorder" Margin...