Every once in a while a programmer runs into a bug worth sharing. Our team had one of those today. Students were unable to use Design Mode in App Lab, but the issue only happened on Chrome, and only if the user had installed a browser extension that injects an external stylesheet into the page….
Read moreFeedback and the growth mindset
I was listening to TED Radio Hour’s “Nudge” episode today. The second segment features Carol Dweck, Professor of Psychology at Stanford and author of Mindset (2006). One exchange jumped out at me. Carol: We condition [kids] to show that they have talents and abilities all the time, and we think this is the road to…
Read moreGood Enough Golfers
Twenty golfers wish to play in foursomes for 5 days. Is it possible for each golfer to play no more than once with any other golfer? Find out for yourself. This is known in mathematics as the Social Golfer Problem. Over Thanksgiving 2017, my dad posed a very similar problem: 28 students in discussion groups…
Read moreJanuary Books
Twelve Months of Test Metrics at Code.org
Recording of a presentation I gave at AllDayDevOps 2017 online conference (2017-10-24), on our year-long effort to improve the reliability of our tests. Presented online to a live audience of about 300 people. [Slides]
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