Treating your users as co-developers is your least-hassle route to rapid code improvement and effective debugging.

With enough eyes, all bugs are shallow.

Prototype, then polish. Get it working before you optimize it

A security system is only as secure as its secret. Beware of pseudo-secrets.

When writing gateway software of any kind, take pains to disturb the data stream as little as possible - and never throw away information unless the recipient forces you to!

Linux evolved in a completely different way. From nearly the beginning, it was rather casually hacked on by huge numbers of volunteers coordinating only through the Internet.

When your language is nowhere near Turing-complete, syntactic sugar can be your friend.