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To use the plumbing analogy, even if most or all of the job will be maintenance, you still want engineers who knows the internals enough to build their own “plumbing” if/when neede…

A good interviewer will start at a high level and drill down into what you're experienced with, rather than pick an obscure topic and assume you've done your homework. For example,…

Ruby's & operator. At first I hated it because of how incomprehensible it was to someone coming from seemingly every other language, but I've started to use it more and more and wi…