The Orange Juice Test, database scaling techniques, and the flux design pattern.

My solution to this classic interview question.

Reference of commands to encrypt a file with a password using OpenSSL.

Reference of commands to create a self signed RSA certificate with OpenSSL

How to repeat a SQL command multiple times

On most Linux distributions you configure DNS nameservers in /etc/resolv.conf. However in recent versions of Ubuntu that changed with the introduction of Netplan.

What Windows shell aliases are and how to use them.

How to set and unset an alias in bash

How to find regex matches using PowerShell

A hidden gem in the Chrome dev tools is the color picker.