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Why does the default parameterless constructor go away when you create one with parameters
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answered Aug 3 '12 at 8:43
Dan PuzeyDan Puzey
31.1k33 gold badges6666 silver badges9393 bronze badges
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Transpose/Unzip Function (inverse of zip)?
... use the special * operator.
>>> zip(*[('a', 1), ('b', 2), ('c', 3), ('d', 4)])
[('a', 'b', 'c', 'd'), (1, 2, 3, 4)]
The way this works is by calling zip with the arguments:
zip(('a', 1), ('b', 2), ('c', 3), ('d', 4))
… except the arguments are passed to zip directly (after being co...
简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...析变更的影响范围？变更后如何验证、入库以及恢复？
3、配置状态统计
IEEE中的定义：记录并报告构件和修改请求的状态，并收集关于产品构件的重要统计信息。
可以理解为：记录和报告变更过程，目标是不间断记录所有基...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
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How can we make xkcd style graphs?
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edited May 17 '13 at 9:57
answered May 16 '13 at 20:49
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What is the difference between Collection and List in Java?
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edited Dec 11 '17 at 14:43
answered Jul 23 '10 at 10:44
Jo...
What do the following phrases mean in C++: zero-, default- and value-initialization?
...One thing to realize is that 'value-initialization' is new with the C++ 2003 standard - it doesn't exist in the original 1998 standard (I think it might be the only difference that's more than a clarification). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard.
See t...
What's the “big idea” behind compojure routes?
...Compojure project -- many things were moved to separate libraries at the 0.3.x -> 0.4.x transition). A route is defined by (1) an HTTP method (GET, PUT, HEAD...), (2) a URI pattern (specified with syntax which will apparently be familiar to Webby Rubyists), (3) a destructuring form used in bindi...
Why are C character literals ints instead of chars?
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36
discussion on same subject
"More specifically the integral promotions. In K&R C it was ...
How can I iterate over an enum?
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edited Oct 4 '19 at 13:37
David Tóth
1,17788 silver badges2929 bronze badges
answered Nov 4 '08 at...