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How do I use Ruby for shell scripting?
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my_shell_script
the_last_file
Most of this only works on UNIX (Linux, Mac OS X), but you can do similar (though less convenient) things in Windows.
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psql: FATAL: database “” does not exist
I'm using the PostgreSql app for mac ( http://postgresapp.com/ ). I've used it in the past on other machines but it's giving me some trouble when installing on my macbook. I've installed the application and I ran:
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Recommended Vim plugins for JavaScript coding? [closed]
... following packages using your favorite package-manager (Ubuntu's apt-get, Mac's home brew, etc.):
exuberant-ctags
NOTE: After installing make sure running ctags actually runs exuberant-ctags and not the OS's preinstalled ctags. You can find out by executing ctags --version.
node (Node.js)
Clo...
Changing the default header comment license in Xcode
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macresearch.org/custom_xcode_templates Here I found information on how to create new File Templates. (Though it was a bit self-explanatory)
– Erik Rothoff
Mar 4 '10 at 18:59
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Upgrading Node.js to latest version
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Ubuntu Linux/Mac:
The module n makes version-management easy:
sudo npm install n -g
For the latest stable version:
sudo n stable
For the latest version:
sudo n latest
###Windows:
just reinstall node from the .msi in Windows from the no...
Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
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I've had this issue on a Mac - while I setup SSH correctly to access my Git repository, after restart (and some time the Mac was on a standoff), all my credentials were removed. Apparently, for some reason the pub key was set to 644 which caused it t...
房多多：懂用户比懂互联网重要 - 资讯 - 清泛网 - 专注C/C++及内核技术
...人过来做产品就行了。房多多创业的第一年也犯了这样的错误。
但是，传统企业想转型互联网，创始人必须把自己变成一个产品经理。这个产品经理不是要你一定变成乔布斯或者马化腾，但是你可以变成更懂用户的产品经理，...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
..."&&", "||")。
ret: 表示函数的返回值。对于sys_read()，-1表示错误，其它则表示成功读取的字节数。
@: 类似于上节的map，但是这里没有[]，使用"bytes"修饰输出。
hist(): 一个map函数，用来描述直方图的参数。输出行以2次方的间隔开...
Where does Vagrant download its .box files to?
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As mentioned in the docs, boxes are stored at:
Mac OS X and Linux: ~/.vagrant.d/boxes
Windows: C:/Users/USERNAME/.vagrant.d/boxes
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Get Character value from KeyCode in JavaScript… then trim
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"Z", // [90]
"OS_KEY", // [91] Windows Key (Windows) or Command Key (Mac)
"", // [92]
"CONTEXT_MENU", // [93]
"", // [94]
"SLEEP", // [95]
"NUMPAD0", // [96]
"NUMPAD1", // [97]
"NUMPAD2", // [98]
"NUMPAD3", // [99]
"NUMPAD4", // [100]
"NUMPAD5", // [101]
"NUMPAD6", // [10...