Jemar Jones JemarJones
JemarJones
/ jQuery Fallback
Created
July 7, 2015 01:36
A function that replicates the familiar javascript fallback functionality for jquery objects (which are truthy).
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| var fallback = function(options){ | |
| var numOfOptions = options.length; | |
| if (numOfOptions == 2){ | |
| return (options[0].length > 0)? options[0] : options[1]; | |
| }else if (numOfOptions > 2){ | |
| return fallback(options.slice(1)); | |
| }else if (numOfOptions == 1){ | |
| return options[0]; | |
| }else{ | |
| return $(); |
cowboy
/ sudo-keepalive-example.sh
Created
July 15, 2012 20:55
Bash: Sudo keep-alive (good for long-running scripts that need sudo internally but shouldn't be run with sudo)
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| #!/bin/bash | |
| # Might as well ask for password up-front, right? | |
| sudo -v | |
| # Keep-alive: update existing sudo time stamp if set, otherwise do nothing. | |
| while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null & | |
| # Example: do stuff over the next 30+ mins that requires sudo here or there. | |
| function wait() { |