🐙 Git error 'fatal: refusing to merge unrelated histories': causes and solution
Understanding why Git refuses to merge unrelated branches and how the --allow-unrelated-histories flag solves the…
Posts
🚀 Git for beginners: first guide to working with GitHub
Step-by-step Git guide from scratch: installation, Ed25519 SSH key setup, repository creation, first push and cloning.…
🎲 How to generate a random integer in a range with JavaScript
A breakdown of the formula Math.floor(Math.random() * (max - min + 1)) + min, a ready-to-use generator in HTML and JS,…
📹 YouTube Data API v3: fetching video data with PHP (2026)
Step by step PHP tutorial: from creating a YouTube Data API key to a ready to use script that automatically retrieves…
📍 How to add multiple custom markers with a legend to Google Maps
Step by step guide: API key, coordinate array, custom icons for two marker types, HTML legend via map.controls. Ready…
🧮 Simple JavaScript calculator: step by step guide
Build a calculator in vanilla JavaScript without jQuery and eval(): HTML markup with CSS Grid, button styling, safe…
🔐 Image steganography in PHP: hiding text in pixels with LSB
A step by step tutorial on LSB steganography in PHP: from theory to working encode/decode with GD. Code, method…
📺 How to get videos from a YouTube playlist via API: working code in 15 minutes
PHP script with YouTube API v3 fetches videos from any playlist in JSON. Error handling, pagination and caching for…
🤖 Viber chatbot in PHP: sending structured messages with keyboard menus
Building a Viber bot in PHP from scratch: setting up the webhook, receiving callback events, and sending keyboard menus…
🤖 Setting up persistent menu and buttons for Facebook Messenger bot
Persistent menu, Get Started button and greeting via Messenger Profile API: current cURL examples and PHP POSTBACK…