How to Build a Browser-Based PDF Analyzer Using JavaScript
PDF files are one of the most widely used document formats for sharing reports, invoices, contracts, books, research papers, manuals, forms, and business...
Bhavin Sheth - freecodecamp
Development
Mastering JavaScript Dates and Times
Managing dates and times in JavaScript is notoriously tricky, often leading to subtle bugs that only surface once an application hits production. To help you...
Beau Carnes - freecodecamp
How to Defend Your JavaScript App Against Unsafe Data with TypeScript Guard Utilities
Picture this: you hit an API endpoint, and you get an API response back. You pass the data straight into your application, and everything looks fine in...
Kelechi Apugo - freecodecamp
How to Build a Browser-Based PDF Margin Tool Using JavaScript
Adding margins to a PDF is a common task when preparing documents for printing, binding, archiving, or sharing professionally. While many PDF editors include...
Bhavin Sheth - freecodecamp
UX
Users Don’t Need More Tools: They Need Seamless Integrations
A closer look at why users don’t need more tools in their daily lives. What they need are seamless integrations of useful features to match already existing, established mental...
Vitaly Friedman - smashingmagazine
Matching AI Modality To User Intent: Designing The Right Interface
We’ve fallen into conversational tunnel vision, defaulting every AI capability into a chat-based interface simply because LLMs are trained on dialogue data. But great UX is about...
Victor Yocco - smashingmagazine
Productivity
Top AI Productivity Tools for Developers and Professionals
Artificial intelligence has moved far beyond simple chatbots and basic automation. Today, developers and non-developers alike use AI tools to research...
Manish Shivanandhan - freecodecamp
Security
The Cloud Pentesting Problem: Why Traditional Security Models Stop Working at Scale
Cloud adoption changed how companies build software. It changed deployment speed, infrastructure management, and the way engineering teams operate. It also...
Manish Shivanandhan - freecodecamp
Other
How to Build an AJAX Cart Drawer in Shopify (the 2026 Way)
Add a product to a Shopify store the default way and the whole page reloads. The shopper is looking at your product, they click Add to cart, and the browser...
baslefeber - freecodecamp
How to Build a RAG Q&A AI Agent for Your Documents Using LangChain v1
In this tutorial, I'll show you how to build a private local RAG-powered Q&A AI agent for your personal documents using LangChain v1, Ollama, Qwen, and...
Darsh Shah - freecodecamp
Codex vs Claude Code: Which AI Coding Assistant to Choose
AI coding assistants have evolved from simple autocomplete tools into capable development agents that can write code, debug applications, refactor projects,...
Manish Shivanandhan - freecodecamp
Product Experimentation: Stop Early Without P-Hacking Using mSPRT and Sequential Testing in Python
Your AI product experiment reaches statistical significance on day 14 of a planned 30-day run, measuring a causal inference question: did the LLM-based...
Rudrendu Paul - freecodecamp