Reversing bits in C (on ARM)

August 8, 2013

I wrote a blog post over on the Square Engineering Blog about efficiently reversing bits on ARM.  It even got picked up by Reddit, where readers pointed out some corrections 🙂 Check it out!


Fun With iPhone Emoji

February 15, 2009
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OK, before we begin, I want to make sure we’re all iPhone-toting hipsters here. We love the visual voicemail, and all the lifestyle-enabling apps like Facebook, Shazam,, and the AP News Wire. The games are great, too. Texting, however, leaves a little to be desired. The conversations are threaded, which is all well and […]