はてなブックマーク

Testing os/exec.Command Jun 26, 2015 In Juju, we often have code that needs to run external executables. Testing this code is a nightmare… because you really don’t want to run those files on the dev’s machine or the CI machine. But mocking out os/exec is really hard. There’s no interface to replace, there’s no function to mock out and replace. In the end, your code calls the Run method on the exec

Intro to BoltDB: Painless Performant Persistence Jul 7, 2014 BoltDB is a pure Go persistence solution that saves data to a memory mapped file. I call it a persistence solution and not a database, because the word database has a lot of baggage associated with it that doesn’t apply to bolt. And that lack of baggage is what makes bolt so awesome. Bolt is just a Go package. There’s nothing you need to

Why Everyone Hates Go Oct 14, 2014 Obviously, not everyone hates Go. But there was a quora question recently about why everyone criticizes Go so much. (sorry, I don’t normally post links to Quora, but it was the motivator for this post) Even before I saw the answers to the question, I knew what they’d consist of: Go is a language stuck in the 70’s. Go ignores 40 years of programming language resea