Vim tutorial — Lesson 3 — simple editing

Vim tutorial — Lesson 4 (final)

Vim tutorial — Lesson 3 — simple editing

Vim tutorial — Lesson 2

Vim commands — Lesson 1

Vim editor - why use it?

Playing some nostalgic gaming sounds in Python 3

Python 3 — XML to JSON conversion and back to XML

Url encoding and decoding in Python 3

ps aux — list processes on Linux and MacOS — explained by example

grep command — in a nutshell

PGP key pair generation, encryption and decryption in Python 3

Software Engineering — 15 tips