The PHP Handbook – Learn PHP for Beginners
PHP is an incredibly popular programming language.Statistics say it’s used by 80% of all websites. I …
Privacy
How to Build a PDF Page Numbering Tool in the Browser Using JavaScript
When you're working with contracts, reports, invoices, manuals, or academic documents, page numbers …
How to Use Bash & Python for Real DevOps Automation – Full Handbook with 5 Production Use Cases
Automation scripts often validate process completion instead of system health.A Kubernetes pod can b …
How to Convert Images to PDF in the Browser Using JavaScript – A Step
Whether it’s scanned documents, screenshots, receipts, notes, certificates, or multiple photos, user …
How to Build a Google Sheet AI Agent with Composio and Gemini TTS Support
With the rise of AI agents and agentic systems, we’re no longer just generating text or images, we’r …
How to Build an Autonomous OSINT Agent in Python Using Claude's Tool Use API
When I started studying OSINT, I always felt I was just putting random values into software without …
What’s !important #13: @function, alpha(), CSS Wordle, and More
CSS functions, the alpha()function, Grid Lanes, some things about <dialog>that you might not k …
How to Use AlphaEarth for Similarity Search in Google Earth Engine
Embeddings have transformed how we search text, images, and code. Instead of matching keywords, you …
How to Take Machine Learning Beyond Python Notebooks with These Helpful Tools
Machine learning tasks usually start in a Python notebook, and for good reason. Notebooks make it ea …
How to Build a Barcode Generator Using JavaScript (Step
If you’ve ever worked on something like an inventory system, billing dashboard, or even a small inte …
How to Build a Production
In July 2025, a Claude Code recursion loop burned between 16,000 USD and 50,000 USD in five hours. T …
How to Ship a Production
Most LLM applications look great in a high-fidelity demo. Then they hit the hands of real users and …
The freeCodeCamp.org Copyright Policy
Copyright PolicyThis policy describes how we at Free Code Camp, Inc., the (501(c)(3) nonprofit behin …
rotateX()
The CSSrotateX()function rotates an element around the x-axis in a three-dimensional space. Specific …
rotateZ()
The CSSrotateZ()function rotates an element around its z-axis, so clockwise or counterclockwise. Whi …
How to Build an Open Source Data Lake for Batch Ingestion
Creating a data platform has been made easier by cloud data analytics platforms like Databricks, Sno …
Build a Self
June 15, 2026 / #c …
The State of CSS Centering in 2026
What? Another article about centering?! But all we have to do is use display: flex | grid, then alig …
How to Run Open Source LLMs on Your Own Computer Using Ollama
AI tools have become commonplace these days, and you may use them daily. One of the key ways to secu …
How to Create a GPU
Every time you spin up GPU infrastructure, you do the same thing: install CUDA drivers, DCGM, apply …