Allison Kaptur gave a keynote at Kiwi PyCon 2015 in New Zealand on effective learning for programmers. There were two pieces to the talk: one about the mindset needed by programmers for learning and one about particular strategies that software developers can use.
Video Producer: https://nzpug.org/
Slides of the presentation: http://www.slideshare.net/akaptur/effective-learning-strategies-for-programmers
Further reading: http://akaptur.com/blog/2015/10/10/effective-learning-strategies-for-programmers/