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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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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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Test if a command outputs an empty string

How can I test if a command outputs an empty string? 11 Answers 11 ...
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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 10 ...
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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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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. 16 A...
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记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...目专门配备了几台高性能务器,清一色的双路四核超线程CPU,外加32G内存,运维人员安装好MongoDB后,就交我手里了,我习惯于在使用新服务器前先看看相关日志,了解一下基本情况,当我浏览MongoDB日志时,发现一些警告信息: ...
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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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Equivalent of *Nix 'which' command in PowerShell?

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Can lambda functions be templated?

In C++11, is there a way to template a lambda function? Or is it inherently too specific to be templated? 11 Answers ...