I got a question in a recent interview about locking in Database. I found that I actually lack insufficient knowledge of this essential part of building a robust application. I would like to share my finding on…

If you are been working on Elixir or Erlang, you will not be unfamiliar with processes. They are the…

A Vector(array with adjustable size) is a collection of…

Encryption consists of two components, an algorithm(cipher) and a secret value(key). The term symmetric means the key used for encryption and decryption is the same. They can be represented by mathematical-like…