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Get current time in seconds since the Epoch on Linux, Bash
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Maybe it's the version of date or because I'm using zsh (macOS Catalina) but this doesn't work for me. Running $ date -d "Oct 21 1973" +%s outputs usage: date [-jnRu] [-d dst] [-r seconds] [-t west] [-v[+|-]val[ymwdHMS]] ... [-f fmt date | [[[mm]dd]HH]MM[[cc]yy][.ss]] ...
R command for setting working directory to source file location in Rstudio
...might not necessarily work on every platform (Windows seems to work, Linux/Mac for some).
Keep in mind that this solution is for 'sourcing' the files, not necessarily for running chunks in that file.
see also get filename and path of `source`d file
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How to execute a JavaScript function when I have its name as a string
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I think Mac's answer is underrated. I'm not an expert but it seems well thought out and robust.
– Martin Hansen Lennox
Mar 9 '17 at 21:23
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Suggestions for debugging print stylesheets?
... an option for that in Chrome's inspector.
Open the DevTools inspector (mac: Cmd + Shift + C , windows: Ctrl + Shift + C)
Click on the Toggle device mode icon , located on the upper left corner of the DevTools panel. (windows: Ctrl+Shift+M, mac: Cmd+Shift+M).
Click on the More overrides icon in...
How do you run JavaScript script through the Terminal?
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If you have a Mac you can get jsc a javascript console in OS X (Terminal) by typing
/System/Library/Frameworks/JavaScriptCore.framework/Versions/Current/Resources/jsc
in Terminal.app.
You could also run one of your .js script by adding...
pip issue installing almost any library
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This solved the problem on Mac OS version Sierra 10.12.6. Thx!
– Zhenhua
May 18 '18 at 21:44
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How can I change the file type association of an existing file in WebStorm?
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In Settings (or Preferences for mac) > Editor > File Types you can edit patterns by which a file gets associated as some type or other.
If you select the patterns for a file type you have wrongly selected (in your case Text type) you can remove the ...
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...