Immediately after every lecture, meeting, or any significant experience, take 30 seconds — no more, no less — to write down the most important points.

Sonra Oku (via The 30 second habit with a lifelong impact — Medium )

(via Memorizing a programming language using spaced repetition software | Derek Sivers )

I’ve been doing this for a year, and it’s the most helpful learning technique I’ve found in 14 years of computer programming.

See also:

• Janki Method – Using spaced repetition systems to learn and retain technical knowledge.
• Effective learning: Twenty rules of formulating knowledge
• Software: Anki – friendly, intelligent flashcards