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What's the common practice for enums in Python? [duplicate]
... late, but you can also do Shaded, Shiny, Transparent, Matte = range(1, 5) if you don't like having the _unused there
– Davy8
Jan 30 '11 at 17:42
4
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How can I reference a commit in an issue comment on GitHub?
...it with git log, it will show up on the lines with commit <SHA>. And if that doesn't work, it could be you did not do the git push origin master. Also, there is a bug in github, there must be at least one character after the <SHA> or it doesn't get detected. It can just be a newline or a...
How to check that an element is in a std::set?
...
this is specific for sets and maps. vectors, lists etc. don't have a find member function.
– wilhelmtell
Nov 9 '09 at 13:53
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Can I use jQuery with Node.js?
...swer to no longer work. I found this answer that explains how to use jsdom now. I've copied the relevant code below.
var jsdom = require("jsdom");
const { JSDOM } = jsdom;
const { window } = new JSDOM();
const { document } = (new JSDOM('')).window;
global.document = document;
var $ = jQuery = requ...
GCC dump preprocessor defines
...touch foo.h; cpp -dM foo.h
will show all the predefined macros.
If you use -dM without the -E option,
-dM is interpreted as a synonym for -fdump-rtl-mach.
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windows异常处理 __try __except - C/C++ - 清泛网 - 专注C/C++及内核技术
...t exception_access_violation_filter(LPEXCEPTION_POINTERS p_exinfo)
{
if(p_exinfo->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION)
{
messagebox("access vialation exceptionn");
return EXCEPTION_EXECUTE_HANDLER ; //告诉except处理这个异常
}
el...
Windows下如何判断Win32 or x64？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...不。在 Windows SDK 的 minwindef.h 下第 37 行有如下定义：
#ifndef WIN32
#define WIN32
#endif
即是说，只要包含了 Windows.h，那么 WIN32 常量是肯定定义了的，所以不能用于判断平台环境。但是如果在预处理定义里删掉 WIN32，又不包含 Wi...
What is __declspec and when do I need to use it?
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This is a Microsoft specific extension to the C++ language which allows you to attribute a type or function with storage class information.
Documentation
__declspec (C++)
...
How to correctly implement custom iterators and const_iterators?
...rs, we derive from the standard iterator categories to let STL algorithms know the type of iterator we've made.
In this example, I define a random access iterator and a reverse random access iterator:
//-------------------------------------------------------------------
// Raw iterator with rando...
How to apply a function to two columns of Pandas dataframe
...sing apply on the dataframe, which I am calling with axis = 1.
Note the difference is that instead of trying to pass two values to the function f, rewrite the function to accept a pandas Series object, and then index the Series to get the values needed.
In [49]: df
Out[49]:
0 ...