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How to specify new GCC path for CMake
My OS is centos which has a default gcc in path /usr/bin/gcc . But it is old, I need a new version of gcc. So I install a new version in a new path /usr/local/bin/gcc .
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Apache .htaccess 禁止访问某目录方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Apache .htaccess 禁止访问某目录方法 最简单方法，在所要禁止的目录中的.htaccess文件中添加一下两行代码。
order allow,deny
deny from all
(可以把all换成某一ip地址)最简单方法，在所要禁止的目录中的.htaccess文件中添加一下两行代...
Test if a command outputs an empty string
How can I test if a command outputs an empty string?
11 Answers
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Turn a string into a valid filename?
I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python.
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What happens to a declared, uninitialized variable in C? Does it have a value?
If in C I write:
10 Answers
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How can I get a count of the total number of digits in a number?
How can I get a count of the total number of digits of a number in C#? For example, the number 887979789 has 9 digits.
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CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
CoInitialize浅析一大家都知道程序中若要使用COM组件则必须要先调用CoInitialize，该函数主要是用来初始化COM运行环境。但这个函数的作用域是以线程为单位还是 大家都知道程序中若要使用COM组件则必须要先调用CoInitialize，该函数...
How can we make xkcd style graphs?
Apparently, folk have figured out how to make xkcd style graphs in Mathematica and in LaTeX . Can we do it in R? Ggplot2-ers? A geom_xkcd and/or theme_xkcd?
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How to run a hello.js file in Node.js on windows?
I am trying to run a hello world program written in javascript in a separate file named hello.js
16 Answers
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What is the difference between instanceof and Class.isAssignableFrom(…)?
Which of the following is better?
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