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Stories in this category, translated into Armenian and Russian

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How to Detect Hidden Target Leakage in Public Datasets with Python and a Dependency Graph
Learning Sep 19, 2026

How to Detect Hidden Target Leakage in Public Datasets with Python and a Dependency Graph

Some time ago, I gave a machine learning model five columns from a public CDC dataset and asked it to predict a sixth column from the same file. The model scored an R² of 0.998, which is about as clos

The iOS NFC Handbook: How to Read, Write and Lock NFC Tags with React Native
Learning Sep 19, 2026

The iOS NFC Handbook: How to Read, Write and Lock NFC Tags with React Native

Hold an iPhone near a sticker and something happens. A business card lands in your contacts, a focus session ends, or a door opens. The chip costs about twenty pence and holds roughly a hundred and th

How to Turn a RECIST Line into a 3D Tumor Segmentation Mask
Learning Sep 18, 2026

How to Turn a RECIST Line into a 3D Tumor Segmentation Mask

A radiologist can mark a tumor on a CT scan by drawing a straight line across it. Creating a complete 3D segmentation requires outlining the tumor across the slices where it appears, which is more tim

How AI Coding Assistants Can Help You Debug Without Writing the Code for You
Learning Sep 18, 2026

How AI Coding Assistants Can Help You Debug Without Writing the Code for You

AI coding assistants have become really good at fixing code. Paste an error into an AI tool and, within seconds, you'll get a corrected implementation. That's useful when you simply want to get someth

How to Prevent Poisoned GitHub Actions Dependencies
Learning Sep 18, 2026

How to Prevent Poisoned GitHub Actions Dependencies

Your workflow uses actions/checkout@v4. Today, that tag points to a vetted release. Tomorrow, a compromised maintainer or attacker moves the tag to malicious code. Your pipeline runs it with access to

How to Build a Bulk Image Compressor Tool with HTML, CSS, and JavaScript
Learning Sep 18, 2026

How to Build a Bulk Image Compressor Tool with HTML, CSS, and JavaScript

High-resolution images look great, but they can significantly slow down page load times and consume massive amounts of storage. While backend compression tools are common, building a client-side image

Fresh Package: Laravel Package Skeleton with Testbench, CI, and Boost Integration
Learning Sep 18, 2026

Fresh Package: Laravel Package Skeleton with Testbench, CI, and Boost Integration

Fresh Package scaffolds a Laravel package with PHPUnit, Larastan, a Testbench workbench app, GitHub Actions, and an optional Vue frontend or AI skills.

How to Migrate a Legacy Monolith Incrementally Without a Big-Bang Rewrite
Learning Sep 17, 2026

How to Migrate a Legacy Monolith Incrementally Without a Big-Bang Rewrite

Large legacy migrations often fail long before the final cutover. The failure usually starts when the migration is framed as a single event. Move the application. Move the database. Move all the users

Hands-On Evolution of Deep Learning – Geoffrey Hinton’s AI Legacy
Learning Sep 17, 2026

Hands-On Evolution of Deep Learning – Geoffrey Hinton’s AI Legacy

Geoffrey Hinton is known as the "the Godfather of AI". We just published a course on the freeCodeCamp.org YouTube channel that will help you master modern neural networks by recreating the groundbreak

Inertia DevTools Now Available for Firefox
Learning Sep 17, 2026

Inertia DevTools Now Available for Firefox

Inertia DevTools, the panel for inspecting Inertia.js visits and props, is now on Firefox with the same features as the Chrome extension.

Laravel Scalpel Scans for Filesystem Intrusion Evidence
Learning Sep 17, 2026

Laravel Scalpel Scans for Filesystem Intrusion Evidence

Laravel Scalpel scans Laravel filesystems for rogue PHP files, obfuscated backdoors, altered directives, environment issues, and file changes.

Learn How to Deploy, Secure, and Automate Full-Stack Web Apps
Learning Sep 16, 2026

Learn How to Deploy, Secure, and Automate Full-Stack Web Apps

Taking a web application from local development to a live, secure production environment can be daunting if you've never looked under the hood. We just published a comprehensive course on the freeCode

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