Superb summary of the research into the effects of static typing on productivity: http://t.co/nxOLrQqytr (it's very hard to test well!)
miniblog.
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One interesting side effect of software productivity increasing: libraries can become more idiosyncratic.
It's easier than ever to release important libraries as an individual. Single-maintainer projects inevitably have more personality -- for both good and bad!
Wonderful article comparing error wording and display across many different programming languages:
Knowledge work, Getting Things Done, and productivity at an organisational level:
