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validate json
I have this saved as jsonlint chmodded +x and file.js is instead $1, but YMMV

Git Global search and replace
Find all the occurrences in the git repo of 'foo' and replace with 'bar'

Insert the last command without the last argument (bash)
$/usr/sbin/ab2 -f TLS1 -S -n 1000 -c 100 -t 2 http://www.google.com/ then $!:- http://www.commandlinefu.com/ is the same as $/usr/sbin/ab2 -f TLS1 -S -n 1000 -c 100 -t 2 http://www.commandlinefu.com/

Change MySQL Pager For Nicer Output

rename files according to date created
The command renames all files in a certain directory. Renaming them to their date of creation using EXIF. If you're working with JPG that contains EXIF data (ie. from digital camera), then you can use following to get the creation date instead of stat. * Since not every file has exif data, we want to check that dst is valid before doing the rest of commands. * The output from exif has a space, which is a PITA for filenames. Use sed to replace with '-'. * Note that I use 'echo' before the mv to test out my scripts. When you're confident that it's doing the right thing, then you can remove the 'echo'... you don't want to end up like the guy that got all the files blown away. Credits: http://stackoverflow.com/questions/4710753/rename-files-according-to-date-created

Command to logout all the users in one command
Only to logout all users except root

get you public ip address

Continue a current job in the background

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

Concatenate (join) video files
Use mencoder to concatenate (join) multiple video files together.


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