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tanin

Edgecases for timezones

Even if we use a great timezone library like tzinfo, a bug might still happen. That's exactly what happened to me. I was building a graph whose x axis is of day frequency. Our database stored data in UTC. Since I wanted the days to be in accordance

The tale of Algolia's Scala client and Play Framework

Yesterday I've spent 5 hours debugging a strange issue when using the Algolia's Scala client with Playframework during local development. That is, the period where auto-reloading happens when code is changed. For a long time (~9 months), we've experienced a DNS error "flakily&

Parallelize tests in SBT on CircleCI

In my previous post on parallelising tests in SBT, it doesn't work well in practice or, at least, on CircleCI. The main disadvantage is that it doesn't balance the tests by their run time. Balancing tests by their run time would reduce the total time significantly.

Parallelize tests in SBT with frustration

SBT, the official build tool for Scala, is a very complex build tool. It's one of those things that makes me wonder if I am stupid or the tool's complexity surpasses average human intelligence. I've done a few things with SBT (e.g. printing

The missing pieces of English pronunciation lesson

I've been thinking about my English pronunciation issue since I've moved to Bay Area (from Thailand) in 2012. I can't seem to speak English properly. There were many moments that made me feel bad about myself. I can't pronounce the word guitar.