ander
655 posts


Mas tem outro jeito de resolver isso: É só usar um UPDATE atômico (lembre sempre da atomicidade!!) e um constraint de que o saldo não pode ser negativo! 14/35



🌟 Now in print - Elixir in Action, Third Edition! 🌟 @sasajuric mng.bz/A8jW Fully updated to #Elixir 1.15, this book reveals how Elixir tackles problems of scalability, fault tolerance, and high availability. Thank you @josevalim for the quote. #ManningBooks






If you're a software engineer, your main job is maintaining legacy code. Why? Because building a system doesn't take long, in comparison to how long code will last, assuming the code/business are successful. Here are the 10 commandments of maintaining legacy code. 🧵





Performance reviews are coming up. An objective way to summarize your own achievements is to use numbers. Those numbers are facts, hard to argue with, and can be compared, should anyone want to do so. Some ideas for numbers. What else have you seen used in perf reviews?











