I am typically not doing a ton of programming, but when I do I like to use meaningful (long) variable names, and frequently mistype them.  Woe was me, until…

I type: pb# and the code is translated automatically.

The configuration is really simple:

So far I have used this mostly for shortening email addresses, company names, and URLs.  But when I fired up a DE tonight for some light code testing it hit me that this could be a huge time/pain saver for you heavy coders out there.

PhraseExpress is Windows only (Mac users can try TextExpander), free for non-commercial use, $49.95 otherwise. 

Note: PhraseExpress v7 was recently released, includes Windows 7 support and new features.