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How to permanently export a variable in Linux?
... to your shell configuration file, e.g. $HOME/.bashrc or more globally in /etc/environment.
After adding these lines the changes won't reflect instantly in GUI based system's you have to exit the terminal or create a new one and in server logout the session and login to reflect these changes.
...
How do I restart nginx only after the configuration test was successful on Ubuntu?
... my case, I have custom compiled nginx and don't even have any scripts in /etc/init.d and so on, so in my case "service nginx reload" won't do anything
– MechanisM
Oct 17 '16 at 21:18
...
How do you get the index of the current iteration of a foreach loop?
...aordinary confusion", "completely wrong and confused", "I got 37 upvotes", etc. (I think your ego is a bit on the line here.) Instead, I'd like to politely ask that you not browbeat others with your 'argumentum ad verecundiam' and I'd like to instead encourage you to think of ways to support people ...
.a: error adding symbols: File format not recognized 原因 - 操作系统(...
...版本Linux/GCC上编译工程时链接了高版本Linux/GCC上编译出来的库文件，导致不能识别报错。
一般地，高版本可以链接成功低版本的，反之则不能。
解决：apache2.service: Failed to run \'start\' task: No such file or d...
... file or directory。原因是：& 39; var tmp& 39;目录被删掉了导致的。mkdir var tmp 搞定。今天 systemctl reload apache2.service 重启apache2时，出现一个错误：apache2.service: Failed to run 'start' task: No such file or directory。
原因是：'/var/tmp'目录被删掉了...
2014年腾讯代码报告—累计代码行14亿 - 创意 - 清泛网 - 专注C/C++及内核技术
...C++语言稳坐冠军宝座，接近1.5亿行，而Object-C凭借iOS应用的强势而日益强盛。
另外，根据图表，腾讯的程序猿男女比例为9:1，男生每月3400行，女生每月2300行。就毕业院校而言，总代码行最多的5所高校为：华中科技大学、华南...
开心一刻 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...前经济热点。小明：我家小区 那一带，一路上 全是炒股的。“一带一路”
老师：请用“一带一路”造句，切中当前经济热点。
小明：我家小区 那一带，一路上 全是炒股的。
开心一刻
我就这么想到了C# - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
我就这么想到了C#今天一位同事问我新建文件夹的时候，能不能包含 字符于是，我就想到了C#。今天一位同事问我新建文件夹的时候，能不能包含“#”字符
于是，我就想到了C#。
C# .net
小偷与程序员 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...警：你可以走了。
我感到很诧异。
我：为什么问这样的问题？
民警：深夜还在街上走，幸苦又寒酸的样子，不是小偷就是程序员。程序员 小偷