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What is a mixin, and why are they useful?
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Probably not an issue in this example, but you generally want to put the main base class as the last element within the parenthesis so to create the inheritance chain: Request==>Mixin==>...==>BaseRequest. See here: ianlewis.org/en/mixins-and-python
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Using generic std::function objects with member functions in one class
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A non-static member function must be called with an object. That is, it always implicitly passes "this" pointer as its argument.
Because your std::function signature specifies that your function doesn't take any arguments (<void(void)>), you must bind the ...
How to measure time in milliseconds using ANSI C?
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Doesn't this measure cpu time and not wall time?
– krs013
Feb 1 '15 at 4:53
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Preferred way to create a Scala list
...do so with a tail-recursive function, foldLeft, or something else is not really relevant.
If you get the elements in the same order you use them, then a ListBuffer is most likely a preferable choice, if performance is critical.
But, if you are not on a critical path and the input is low enough, yo...
How to detect if a script is being sourced
I have a script where I do not want it to call exit if it's being sourced.
17 Answers
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Google Tag Manager 入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的tag可定制的地方很少。
Rule：
加载规则，默认的是，All pages规则，可以自己添加，以和Tag关联，决定在什么条件下，加载指定的tag。
Macro：
宏，预定义的名称键值对，默认有：event，referrer，url三个宏，宏可以应用在rule和ta...
Getters \ setters for dummies
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Isnt it really painful that MS does not support JS correctly and they do not make their silverlight run everywhere, so I have to program everything twice, one for SL and one for rest of the world :)
– Akash Kava
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What are inline namespaces for?
C++11 allows inline namespace s, all members of which are also automatically in the enclosing namespace . I cannot think of any useful application of this -- can somebody please give a brief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic s...
Converting a string to a date in JavaScript
...priate library:
You can also take advantage of the library Moment.js that allows parsing date with the specified time zone.
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How to remove unused C/C++ symbols with GCC and ld?
I need to optimize the size of my executable severely ( ARM development) and
I noticed that in my current build scheme ( gcc + ld ) unused symbols are not getting stripped.
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