Alex Xu (@alexxubyte)

Symmetric encryption vs asymmetric encryption Symmetric encryption and asymmetric encryption are two types of cryptographic techniques used to secure data and communications, but they differ in their methods of encryption and decryption. 🔹 In symmetric encryption, a single key is used for both enc...

How do companies ship code to production? The diagram below illustrates the typical workflow. Step 1: The process starts with a product owner creating user stories based on requirements. Step 2: The dev team picks up the user stories from the backlog and puts them into a sprint for a two-week dev...

Popular interview question: What is the difference between Process and Thread? To better understand this question, let’s first take a look at what is a Program. A Program is an executable file containing a set of instructions and passively stored on disk. One program can have multiple processes. Fo...