- syntax highlighting in text editor
- tabs in browsers (in my case that was Firefox before it was called Firefox)
- DVCS, I've started with Bazaar then moved to Git (of course). Used VCS (painful) and SVN (less so) before that.
- REST APIs and discovering Sinatra framework to write them.
- Rails. First time I saw famous "write blog in 15 minutes" my head was blown.
- syntax highlighting in text editor
- tabs in browsers (in my case that was Firefox before it was called Firefox)
- DVCS, I've started with Bazaar then moved to Git (of course). Used VCS (painful) and SVN (less so) before that.
- REST APIs and discovering Sinatra framework to write them.
- Rails. First time I saw famous "write blog in 15 minutes" my head was blown.