Top AI Productivity Tools for Developers and Professionals
Manish Shivanandhan |
Artificial intelligence has moved far beyond simple chatbots and basic automation. Today, developers and non-developers alike use AI tools to research information, write content, create presentations,... read more
How to Build a Browser-Based PDF Analyzer Using JavaScript
Bhavin Sheth |
PDF files are one of the most widely used document formats for sharing reports, invoices, contracts, books, research papers, manuals, forms, and business documents. Although viewing a PDF is simple, u... read more
How to Build an AJAX Cart Drawer in Shopify (the 2026 Way)
baslefeber |
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 throws the page away and rebuilds it. On a... read more
How to Build a RAG Q&A AI Agent for Your Documents Using LangChain v1
Darsh Shah |
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 Python. The agent reads your documents and answe... read more
Codex vs Claude Code: Which AI Coding Assistant to Choose
Manish Shivanandhan |
AI coding assistants have evolved from simple autocomplete tools into capable development agents that can write code, debug applications, refactor projects, and even execute complex workflows. Among t... read more
Product Experimentation: Stop Early Without P-Hacking Using mSPRT and Sequential Testing in Python
Rudrendu Paul |
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 feature genuinely improve outcomes? Every produc... read more
Mastering JavaScript Dates and Times
Beau Carnes |
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 master this fundamental skill, the freeCod... read more
How to Defend Your JavaScript App Against Unsafe Data with TypeScript Guard Utilities
Kelechi Apugo |
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 development. Your mock data is clean, your types... read more
The Cloud Pentesting Problem: Why Traditional Security Models Stop Working at Scale
Manish Shivanandhan |
Cloud adoption changed how companies build software. It changed deployment speed, infrastructure management, and the way engineering teams operate. It also changed the security landscape. Applications... read more
How to Build a Browser-Based PDF Margin Tool Using JavaScript
Bhavin Sheth |
Adding margins to a PDF is a common task when preparing documents for printing, binding, archiving, or sharing professionally. While many PDF editors include this feature, they often require installin... read more