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Why do we need extern “C”{ #include } in C++?
...nd both the .c and .cpp files are compiled with the C++ compiler (g++, cc, etc) then it isn't really needed, and may even cause linker errors. If your build process uses a regular C compiler for util.c, then you will need to use extern "C" when including util.h.
What is happening is that C++ encode...
Grunt watch error - Waiting…Fatal error: watch ENOSPC
...the below command.
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf:
fs.inotify.max_user_watches=524288
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...rmation for my users on my website, aka rapidshare username and passwords, etc... I want to keep information secure, but I know that if I hash their information, I can't retrieve it for later use.
...
URL rewriting with PHP
...s far more flexibility in parsing URLs, config and database dependent URLs etc. For sporadic usage the hardcoded rewrite rules in .htaccess will do fine though.
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Is it possible to get the non-enumerable inherited property names of an object?
...
}
This same template can be applied using Object.getOwnPropertySymbols, etc.
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How to decorate a class?
...ython 2.7, (and @wraps, which maintains the original function's docstring, etc.):
def dec(klass):
old_foo = klass.foo
@wraps(klass.foo)
def decorated_foo(self, *args ,**kwargs):
print('@decorator pre %s' % msg)
old_foo(self, *args, **kwargs)
print('@decorator pos...
What is a web service endpoint?
.../foo/ShoppingWebservice/Toys, IP-Address:8080/foo/ShoppingWebservice/Books etc. - What is the /Toys, /Books part called ? Are they also called endpoints or resources ?
– MasterJoe
Jul 24 '17 at 18:24
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Camera 扩展：相机拍照和录像，程序控制拍照、自动拍照实现，而无需点击系...
...项目
功能概述
Camera 扩展允许在应用的布局中显示相机预览，支持拍照和录制视频功能。扩展提供了多种相机控制选项，包括前后摄像头切换、缩放控制等功能。
截图
1:1 宽高比
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How to efficiently compare two unordered lists (not sets) in Python?
...plementation details across versions, how many duplicates are in the data, etc.)
– Raymond Hettinger
Oct 21 '16 at 18:03
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Batch script to delete files
...ike this:
set olddir=%CD%
cd /d "path of folder"
del "file name/ or *.txt etc..."
cd /d "%olddir%"
How this works:
set olddir=%CD% sets the variable "olddir" or any other variable name you like to the directory
your batch file was launched from.
cd /d "path of folder" changes the current direct...