Viewing profile — jiffyjeff

Holy cow, this might be related to a design I had last week. My effort to build optical shaft encoders using simple polarization sheet. LEDs can be be used as bidirectional sensors…

Conflict-free replicated data type, or CRDT, is often referred to as simply “CRDT” in trade jargon without any definition. Apparently.

I don't know if the author was intending to be hyperbolic -- I for one prefer Python 2's print. I would've preferred keeping print the way it was and using a new keyword for the ne…

Terrific post, thanks! I am somewhat familiar with this hiring process thanks to tptacek's HN contributions (which incidentally led me to recommending a friend to Matasano). I woul…

Perhaps folks are terrified of speaking out about the matter? One specific concern I have: I wonder if members of congress feel threatened by the power of intelligence insiders to …

According to FutureCrypt.com, time-release encryption can be used for Sealed Bids, Competitive Proposals, and Press Releases. So things like sealed bids for government RFPs could b…

The Hacker's Diet hinges on: ((calories in) - (calories out)) / 3500 = (l lb of weight loss) The Hacker's Diet holds as an axiom that calories from fat, carbohydrate and protein ar…

I purchased this book and read it today. I think it's a nice collection of advice for the budding freelancer. It's a little light on the legal aspects such as business structure, t…

Wow, what a day... I had an ear-to-ear grin this morning when I learned of support for Go on App Engine. I'm releasing my 3rd GAE app this week (Python) and have big plans to dive …

My margins are low and I've just started gaining traffic, so I haven't made a lot of money. However, I launched the service with a profit motive, so payment integration and realist…

I launched an almost identical service, http://savethatcall.com , in January. My prices are extremely low (50 cents + 5 cents per minute), but it's hard to compete with free! Good …

These locks are silly and can be opened in seconds without a magnet. They can be brute forced easily due to the few number of combinations afforded by their design. There are only …

Thanks for the feedback. I've never had much luck designing compelling UIs, so I just snagged a cute template for $15 from ThemeForest. After I had finished coding the site, I appl…

Hi HN, I just launched SaveThatCall, which allows users to record and download phone calls in MP3 format. I built it after having a personal need to download a recorded voicemail m…