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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...
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...
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...
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...
Excluding directory when creating a .tar.gz file
...ic_html/tmp
– Black
Dec 5 '18 at 15:01
1
Disregard my previous comment which I cannot longer edit...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
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其中：
values - 表示待发送的数据（这里是单字节0x01，表示高电平）
signed - 表示values数据是否是有符号的数值（假表示无符号）
serviceUuid - 服务UUID，通俗来讲它就是硬件的唯一身份ID
characteristicUuid - 特性UUID，通俗来...
How do you return from 'gf' in Vim
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jopjop
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Should I use single or double colon notation for pseudo-elements?
...er123444555621user123444555621
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