Explain tail-call optimisation — When Beam(Erlang VM) sees a function calling itself as the last executable statement in a function, it simply jumps back to the start of the function. If the recursive call has arguments then these replace the original parameters. Explain the crucial feature of Erlang/Elixir The idea is to pack code into manageable portions executed independently and…

Introduction This document is like a training course for writing documentation for Rest APIs in Elixir. Nowadays Elixir is used widely to write HTTP applications. It has become necessary for developers to write documentation for REST APIs. The library we will use is called Open API Spex. This library generates an…

Pythonic Loops — When I see a code snippet like the following, that's an example of someone trying to write python like its C. You can argue whats is it exactly that makes it unpythonic. there are two reasons for it: It keeps track of index ‘i’ manually. It uses len function to…