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Purpose of Python's __repr__

... __repr__ should return a printable representation of the object, most likely one of the ways possible to create this object. See official documentation here. __repr__ is more for developers while __str__ is for end users. A ...
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How to invoke the super constructor in Python?

...on-3.x the process has been simplified: Python-2.x class A(object): def __init__(self): print "world" class B(A): def __init__(self): print "hello" super(B, self).__init__() Python-3.x class A(object): def __init__(self): print("world") class B(A): def __init__(self): print...
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C/C++ line number

... You should use the preprocessor macro __LINE__ and __FILE__. They are predefined macros and part of the C/C++ standard. During preprocessing, they are replaced respectively by a constant string holding an integer representing the current line number and by the cu...
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How many characters can UTF-8 encode?

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计算统计特征(正态分布)函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术

...实例main函数:#include "stdafx.h"#include "stdev.h"#include <map>int _tmain(int argc, _TCHAR* argv[]){std::map<int, int> map_...main函数: #include "stdafx.h" #include "stdev.h" #include <map> int _tmain(int argc, _TCHAR* argv[]) { std::map<int, int> map_test; map_test[0] = 100;...
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What does 'wb' mean in this code, using Python?

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How do you represent a JSON array of strings?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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How to line-break from css, without using ?

... | edited Apr 20 at 18:32 johannchopin 4,84855 gold badges1818 silver badges4040 bronze badges answer...
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Generating an MD5 checksum of a file

...ral methods of checksumming a file of approx. 11MB: $ ./sum_methods.py crc32_mmap(filename) 0.0241742134094 crc32_read(filename) 0.0219960212708 subprocess.check_output(['cksum', filename]) 0.0553209781647 md5sum_mmap(filename) 0.0286180973053 md5sum_read(filename) 0.0311000347137 subprocess.check_...
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Authenticating in PHP using LDAP through Active Directory

...nticate. – diolemo Oct 20 '11 at 16:32 @diolemo Is there any way to prevent this without checking if the password is e...