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> c still exists

C and Go are two languages I feel like if you learn them, you can come back years later and if your memory is still good, you could get back up to speed pretty darn quickly. Every few years I go back to Go and try to build web apps using only the standard libraries, and I always find myself very quickly picking up all the concepts.

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For some reason, Java has the same feeling. Professionally I do both embedded and statistical computing, and Java's been nearly anathema to this. But every 5 years I patch a hobby project I did once in college, and it comes right back (and with JVM hot reloading too.) It gives me the engineering warm and fuzzies.
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