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class method generates “TypeError: … got multiple values for keyword argument …”
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165
The problem is that the first argument passed to class methods in python is always a copy of th...
关于 __VA_ARGS__ 宽字符版本的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
关于 __VA_ARGS__ 宽字符版本的问题在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：#define WIDEN2(x) L ## x#define WIDEN(x) WIDEN2(x)#define __...在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：
#defin...
How to list all installed packages and their versions in Python?
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196
If you have pip install and you want to see what packages have been installed with your installe...
I can’t find the Android keytool
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CommonsWareCommonsWare
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foreach vs someList.ForEach(){}
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edited Jun 30 '16 at 13:16
answered Oct 22 '08 at 14:50
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Remove not alphanumeric characters from string
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edited Apr 1 '16 at 9:40
answered Feb 20 '12 at 16:23
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Remove a string from the beginning of a string
...)) == $prefix) {
$str = substr($str, strlen($prefix));
}
Takes: 0.0369 ms (0.000,036,954 seconds)
And with:
$prefix = 'bla_';
$str = 'bla_string_bla_bla_bla';
$str = preg_replace('/^' . preg_quote($prefix, '/') . '/', '', $str);
Takes: 0.1749 ms (0.000,174,999 seconds) the 1st run (compil...
Meaning of 'const' last in a function declaration of a class?
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edited May 28 at 6:14
stuckexchange
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answered Apr 15 '09 at 13:49
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How do I correctly clone a JavaScript object?
...ed that any elements contained in Object or Array would also be one of the 6 simple types in that list. This can be accomplished with code like the following:
function clone(obj) {
var copy;
// Handle the 3 simple types, and null or undefined
if (null == obj || "object" != typeof obj) ...
Dynamically updating plot in matplotlib
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ChrisChris
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