How-To Guides.
Step-by-step installation and setup guides for every major OS.
How to Debug a Slow SQL Query in PostgreSQL
Step-by-step: find slow queries with pg_stat_statements, read EXPLAIN ANALYZE output, identify missing indexes, fix N+1 queries, and diagnose lock contention.
How to Exit Vim, Vi, and Nano (Step by Step)
Stuck in Vim? Here is exactly how to save and exit, quit without saving, and force-quit Vim, Vi, and Nano — with every command you need and why they work.
How to Install VS Code on Ubuntu, macOS and Windows
Install Visual Studio Code on any OS using apt, Snap, Homebrew, or winget — with the essential extensions every developer should add first.
How to Install Docker on Ubuntu, macOS and Windows
Install Docker Desktop or Docker Engine step-by-step on Ubuntu, macOS, and Windows — including post-install setup, running your first container, and Docker Compose.
How to Install Node.js on Ubuntu, macOS and Windows
Install Node.js using nvm, Homebrew, or the official installer — step-by-step for Ubuntu, macOS, and Windows. Includes switching versions and verifying your install.
How to Install Python on Ubuntu, macOS and Windows
Install Python 3 using pyenv, Homebrew, or the official installer — step-by-step for Ubuntu, macOS, and Windows. Includes pip, virtual environments, and version switching.
How to Install Git on Ubuntu, macOS and Windows
Install Git on any operating system — apt, Homebrew, or the official installer — plus first-time configuration, SSH setup, and verifying your install.
How to Run PostgreSQL Locally with Docker
Run a full PostgreSQL database locally in under 2 minutes using Docker — with persistent volumes, docker-compose setup, GUI client access, and dump/restore commands.
How to Set Up a .env File and Stop Leaking Secrets
What .env files are, how to load them in Node.js, Python, and Docker, the common mistakes that expose API keys, and how to manage secrets safely in production.
How to Set Up SSH Keys for GitHub (All Platforms)
Generate an SSH key, add it to GitHub, and never type a password again. Step-by-step for Ubuntu, macOS, and Windows — including multiple accounts and troubleshooting.
How to Write a Production Dockerfile for Node.js
Build small, fast, production-ready Docker images for Node.js — layer caching, multi-stage builds, non-root user, health checks, and .dockerignore explained.
Nested Eager Loading in Laravel: Optimize Your Database Queries
Discover how to effectively implement nested eager loading in Laravel Eloquent. This guide covers definitions, benefits, practical examples, and advanced usage to optimize your database interactions and improve application performance.
Install Postman on Ubuntu
Learn how to install Postman on Ubuntu using Snap or the official Linux tarball, with steps for launching, updating, and removing it.
Install XAMPP on Ubuntu
Learn how to install XAMPP on Ubuntu, start and stop it from the terminal, open the manager, and remove it cleanly when needed.
Camel Case in Laravel: A Guide to Converting Strings
Learn how to convert strings to camel case in Laravel using the `Str::camel` method. Understand the history, advantages, and best practices of using camel case in programming.
How to update a record without updating timestamp in Laravel
In this article, we will see How to update record without saving or updating timestamp fields either `updated_at` or any other custom field. Laravel provides us functionality to handle timestamp update while saving model. Assigning `false` to `timestamps` property of model during model save, prevents auto update of timestamp fields.
Install Spotify on Ubuntu
Learn how to install Spotify on Ubuntu using Snap or Spotify's official Debian repository, plus how to update and remove it later.
Install Telegram on Ubuntu
Learn how to install Telegram Desktop on Ubuntu using Snap or the official Linux tarball, then update or remove it cleanly.
Install Signal Desktop on Ubuntu
Learn how to install Signal Desktop on Ubuntu using Signal's official Debian repository, then link, update, and remove it cleanly.
How to create collapsible content using HTML5 details tag
How to create collapsible content using HTML5 details tag
How To Change Model Default Timestamps Column Names In Laravel
How To Change Model Default Timestamps Column Names In Laravel
How to open a Command Menu in Chromium based browsers such as Google Chrome
A guide on how to open the Command Menu, run commands, see other actions, and more.
How to allow remote access to MySQL database server
How to allow remote access to MySQL database server
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