On paternity leave, hope to write some code
I’m taking 3 months off to hang out with the family! Baby Emma is doing great, and the big kids are, well, big. It’s been about 7 years since I’ve had a sabbatical from work, so this seems like a great...
View ArticlePaternity leave coding update
Three and a half weeks into my sabbatical, and I’ve actually found some time to code on Hebcal! Some Hebcal accomplishments in July: Moved Hebcal for Unix code from SourceForge to GitHub. Added two new...
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Farewell, htdig
htdig has been retired from radwin.org. Many years ago I set up a site search on radwin.org using a tool called ht://Dig. It was a C/C++ app that would spider/crawl a website and also serve out search...
View ArticleEarly days of Favicon.ico
My friend and colleague Ray Sun writes about Inventing Favicon.ico on his blog. Nice trip down memory lane, when we could get stuff done in a matter of hours and touch the lives of hundreds of millions...
View ArticleAll-day untimed events in RFC 2445 iCalendar
Timely‘s WordPress Calendar plugin doesn’t interoperate well with RFC 2445 iCalendar feeds that contain all-day untimed events specified by both DTSTART and a DURATION:P1D. Instead of interpreting them...
View Article“Unique” Random Numbers technical interview question
Dan Karp used to ask this question at Zimbra. I’ve always loved it. 1. warmup Given this API from the java.lang standard Math class in the JDK: /** * Returns a double value with a positive sign, *...
View ArticleTechnical Interview: movie SQL schema design
When interviewing candidates, sometimes we need to know if they grok SQL. Here’s a simple interview question that gives me an idea that someone has had to create a schema from scratch, vs. always using...
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Pastafarian Holy Days
I built a little Pastafarian Calendar website and iCalendar feed. Now you too can know what holy day the Church of the Flying Spaghetti Monster is observing each day! Thanks to Noam for the inspiration.
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Congress Created Dust Bowl
“Congress Created Dust Bowl” is a sign by the side of the road along Interstate 5 in the California Central valley. According to KQED, the sign was created in 2008 by former farmer Russ Waymire from...
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