2014
Make Refcard
(via)The directory part and the file-within-directory part of $@ ... The directory part and the file-within-directory part of $@ ...
Cheat Sheet For Locking
Avoid holding spinlock for more than 5 lines of code
If you are in a process context (any syscall) and want to lock other process out, use a semaphore
Table of Minimum Requirements
2013
Regular Expressions Cheat Sheet by DaveChild - Cheatography.com
? where does my regexp mismatch ?
die "wrong pattern on $`//$+//$'";
2011
1
(4 marks)