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this week's favorite
Over the past years, I’ve worked in multiple teams adopting very different strategies when it comes to feature flags. I’ve seen the pros and cons of both, and over time, I found myself disagreeing with any fundamentalist position on their use. There is a lot of nuance to this topic, and I think it is worth considering more carefully the various scenarios where feature flags do and do not make sense.
Type checking is the process of taking a given program in some programming language and working out whether all variables and expressions have the correct types, i.e. strings are assigned to strings, arithmetic expressions involve only numbers, etc.
As a developer, you will solve a thousand puzzles, and then a thousand more. Your brain will stretch and grow. You will dream about databases or pixels or curly braces. I once had a dream where I was walking down a hallway, but the hallway was my code. It was a good dream. I found a bug.
A Bloom filter is a space-efficient probabilistic data structure that is used to answer a very simple question: is this element a member of a set?. A Bloom filter does not store the actual elements, it only stores the membership of them.