大约有 40,100 项符合查询结果(耗时:0.0665秒) [XML]

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Sorting a set of values [closed]

... set(['0.000000000', '0.009518000', '10.277200999', '0.030810999', '0.018384000', '4.918560000']) >>> sorted(s) ['0.000000000', '0.009518000', '0.018384000', '0.030810999', '10.277200999', '4.918560000'] Note that sorted is giving you a list, not a set. That's because the whole point of...
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numpy matrix vector multiplication [duplicate]

...t; b = a.T >>> np.dot(a, b) array([[35, 9, 10], [ 9, 3, 4], [10, 4, 6]]) >>> np.inner(a, b) array([[29, 12, 19], [ 7, 4, 5], [ 8, 5, 6]]) Rarer options for edge cases If you have tensors (arrays of dimension greater than or equal to one)...
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Weird behavior with objects & console.log [duplicate]

... answered May 2 '14 at 13:25 zzzzBovzzzzBov 151k4646 gold badges293293 silver badges334334 bronze badges ...
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Convert generator object to list for debugging [duplicate]

... 184 Simply call list on the generator. lst = list(gen) lst Be aware that this affects the generat...
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What does %>% mean in R [duplicate]

...dth Petal.Length Petal.Width Species 1 5.1 3.5 1.4 0.2 setosa 2 4.9 3.0 1.4 0.2 setosa 3 4.7 3.2 1.3 0.2 setosa 4 4.6 3.1 1.5 0.2 setosa 5 5.0 ...
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这个富有的袖珍小国 7万美元出租整个国家 - 创意 - 清泛网 - 专注C/C++及内核技术

...欧洲中部有一个小国家,位于奥地利和瑞士之间,2011年4月决定将出租整个国家,每晚的租金是7万美元(约42.5万人民币)。临时拥有者会在议会... 在欧洲中部有一个小国家,位于奥地利和瑞士之间,2011年4月决定将出租整个国家...
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64 bit OS下int占几个字节? - C/C++ - 清泛网 - 专注C/C++及内核技术

64 bit OS下int占几个字节?int固定4字节,不要受64 bit的混淆。int是由编程语言设计决定的,不受编译器的影响。__int64才是8位的。另外,指针是受编译器 OS影响的,3...int固定4字节,不要受64 bit的混淆。int是由编程语言设计决定的...
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Android RoundRectShape圆角矩形使用详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...gle, pass null. //一个包含8个弧度值,指定外部圆角矩形的 4个角部的弧度及 :new float[] {l, l, t, t, r, r, b, b}; // 前2个 左上角, 3 4 , 右上角, 56, 右下, 78 ,左下,如果没弧度的话,传入null即可。 inset A RectF that specifies the d...
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C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ms); return ms.dwMemoryLoad; } 2.获取Windows CPU使用率 __int64 CompareFileTime(FILETIME time1, FILETIME time2) { __int64 a = time1.dwHighDateTime << 32 | time1.dwLowDateTime; __int64 b = time2.dwHighDateTime << 32 | time2.dwLowDateTime; return (b - a); } //Win CPU使用情...
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use of deleted function std::unique_ptr 编译错误剖析,你可能少了一个st...

...你可能少了一个std::move编译报错日志如下: usr include c++ 4 7 bits stl_construct h:77:7: error: use of deleted function & 39;std::unique_ptr<_Tp, _Dp>::unique_ptr(const std::unique_p 编译报错日志如下: /usr/include/c++/4.7/bits/stl_construct.h:77:7: error: use of dele...