Categories algorithm 1 post book-notes 2 categories , 2 posts clean-code 1 post software-craftsmanship 1 post client-server 1 post database 1 post handbooks 4 categories , 4 posts java 1 post rspec-testing 1 post typescript 1 post web-development 1 post internals 2 categories , 2 posts goroutines 1 post unique-identifiers 1 post paper 1 category , 1 post google-file-system 1 post