/dpt/ - Daily Programming Thread

Good times edition.

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whats the best database to use for a cryptocurrency exchange? (all of the matching engines are closed source and no way am i paying for nasdaq's one) so im developing my own...

I need around 10-15ms latency for single writes and reads. im writing this in go btw so ideally a db with a go driver.

blockchain

>decide that I want to try to make something
>have to google how to make it
Is this because I'm a python baby, because I'm self taught, or is it just because im an idiot.

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>C++ doesn't have a bottom type
baka

>OOPsies think that in FP when updating a value in a map you have to copy the whole map

I'd say the third option

OOPsies eh, lads? You can lead a horse to water and all that

They're right. It's not FP if you don't.

>have a list
>want to append an element to the front
>re-use the old list
no problem here