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I did Hack Reactor in 2013. My background prior to that included a year of college CS and a couple of years doing recreational coding challenges like Project Euler problems. I had …

ClassDojo | Software Engineer | San Francisco | Onsite | Full-time | https://www.classdojo.com/jobs/ We're looking to hire one or more full-stack engineers at ClassDojo, a Y-Combin…

Thanks for referencing my earlier post in the article! We use the "sliding window log" you described at ClassDojo, but your more memory-efficient approach looks great. https://engi…

I believe certain signals are transmitted from your phone even if it's "off". Removing the battery might stop some of them, but even this supposedly doesn't stop everything.

Company: ClassDojo ( http://www.classdojo.com ) Location: San Francisco About Us: We're a small team of ~20 people (10 engineers) making one of the world's most popular education a…

Honest question: What's the use of compressing the counter for n smaller than log(n) bits? Even if you were counting something on the order of 10^30, log n is only around 100 bits.…