Database Administration

Create a MySQL slave replica in 4 short steps

Scale your database using master-slave replication

Software Development

Create a Chrome extension from scratch step-by-step (2024)

Build a basic Chrome extension without any additional tooling

DevOps & Infrastructure

Create an IPv6-only Linux server in 3 easy steps

How to create a Linux VM using IPv6 (with IPv4 disabled) using Digital Ocean

Database Administration

Optimize MySQL query performance: INSERT with subqueries

Real world example of fixing a slow MySQL query doing an INSERT with subqueries

DevOps & Infrastructure

How to reuse workflows and steps in GitHub Actions (2024)

How to create reusable workflows and reusable steps in GitHub Actions

Database Administration

MySQL deadlock on UPDATE/INSERT upsert pattern

Using the UPDATE/INSERT upsert pattern can lead to MySQL deadlocks

Software Development

Build a React app from scratch: getting started (2024)

React Hello World -- no templates, no junk, just React

Security

Fix security vulnerabilities in Yarn

Real-world examples of fixing security vulnerabilities in Yarn

Security Software Development

Mutual TLS (mTLS): building a client using the system keystore

An overview of our series on mTLS

DevOps & Infrastructure

Code signing a Windows application

How to sign a Windows application with a code signing certificate