Toolserver:Code snippets

Calculate replag
NB: This actually shows how long ago the last edit to the wiki was. If the wiki hasn't been edited for a while, it might appear the replag is higher than it really is, because the last edit was some time ago.

Kill processes
If the process doesn't exit, kill it harder:

But be aware that kill -9 doesn't give the process any opportunity to clean up.

If the process is running in the foreground (i.e. from the shell), you can also kill it with CTRL-C. If that doesn't work, try CTRL-\ (which like kill -9, gives the process no opportunity to clean up).

IPv4
Copped from http://www.geekzilla.co.uk/View0CBFD9A7-621D-4B0C-9554-91FD48AADC77.htm

'Unit' Testing
If you need to check various pieces of data against multiple tests and see what data passes each test a quick and dirty way to do that is like so