2. SpaceThis is no longer maintained. Try the much improved version called TreeNotation
3. drillBitsCode from https://queue.acm.org/detail.cfm?id=3448307 unzipped
4. macHandy terminal commands for Mac OS X
5. brecksblogA high performance blog in under 250 lines of code. No MySQL needed!
6. 30000hoursHow many hours have you spent practicing programming?