How I Built an AI Journalist Discovery Engine with Octoparse MCP
Most people connect Octoparse MCP to their AI assistant and use it to extract a product list or pull some prices into a table. That's fine. But I want…
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Why Retry Is One Of The Most Dangerous Keywords In Software
Few lines of code look more innocent than this: retry ( 3 ) It feels responsible. Professional. Resilient. After all, networks fail. Servers become un…
Idempotency Is More Important Than You Think
Most developers don't think about idempotency until production breaks. That's not because idempotency is an advanced concept. It's because everything …
Import JSON from an API in Google Sheets
Originally written for bulldo.gs — republished here with the canonical link pointing home. I want to pull live JSON data from an API endpoint directly…
HTML-First Websites Are Quietly Winning Again in 2026
TL;DR: HTML-first means shipping real, server-rendered content before any JavaScript runs, then adding scripts only where they earn their place. In 20…
Web Security: OWASP Top 10 — Practical Defense Guide (2026)
Web Security: OWASP Top 10 — Practical Defense Guide (2026) Security vulnerabilities follow patterns. The OWASP Top 10 lists the most critical ones — …
Your package.json diffs are noisy for no reason. I built a zero-dep fixer.
Open a PR, and half the package.json diff is keys that didn't actually change — they just moved . One teammate's editor writes name at the top, npm in…
How to Build a Secure Serverless Port Scanner in Node.js (and Prevent SSRF)
Every network engineer and systems developer needs to verify connection ports. Whether you're debugging why a remote database connection is failing, c…
ip-api.com vs ipify vs IPPubblico — which free IP API should you use in 2026?
ip-api.com vs ipify vs IPPubblico — which free IP API should you use in 2026? If you need a public IP detection or geolocation API for your project, t…
Why Abstractions Leak
One of the most dangerous moments in a developer's career is when an abstraction works perfectly. Not because success is bad. But because perfect abst…
Why Math.random() is unsafe for passwords — and how to use crypto.getRandomValues instead
Why Math.random() Is Unsafe for Passwords — and How to Use crypto.getRandomValues Instead If you have ever written a password generator in JavaScript,…
Sync State Across Browser Tabs: Master BroadcastChannel in React ⚡
The Cross-Tab Desync Problem In modern SaaS web environments at Smart Tech Devs, enterprise power-users frequently operate with multiple browser tabs …
Parallel AI Coding with Git Worktrees: Run Multiple Agents Without Conflicts
Parallel AI Coding with Git Worktrees: Run Multiple Agents Without Conflicts Most parallel AI development problems stem from a single architectural mi…
Why Your AI Side-Hustle Script Won't Run: 5 JavaScript Config Failures That Break Claude/OpenAI Tools (and How to Isolate Node v
If you've ever copied a working AI automation script, run node tool.js , and watched it die with Cannot use import statement outside a module or fetch…
We Proved Deterministic Actor Migration Is Possible for XState — Here's the Model
We've written before about how StateKeep migrates running actors when a workflow definition changes — routing by event history fingerprint instead of …
JavaScript Performance: Making Your Apps Fast (2026)
JavaScript Performance: Making Your Apps Fast (2026) Performance isn't about premature optimization — it's about understanding what makes JavaScript s…
XML to JSON Conversion - Avoiding the Pitfalls That Actually Bite You
Converting XML to JSON looks deceptively simple - until your pipeline silently drops attribute data, crashes on single-item responses, or passes "true…
Wiring components to server-rendered pages with domwire
domwire is a DOM-driven, on-demand component loader for plain JavaScript and TypeScript applications. It initializes ES6 classes from data-component a…
Назад в будущее UI-kit: как мы перевели живую библиотеку на дизайн-токены и ничего не сломали
UI-kit, которым пользуются несколько продуктовых команд, нельзя просто отправить в будущее и переписать под новый дизайн. За ним тянется прошлое: стар…
How to Add Electronic Signatures to PDFs in the Browser (Vue 3 + HTML5 Canvas)
A client emailed me a contract last week. I needed to sign it and send it back. The usual options? Print it, sign with a pen, scan it back in. Or uplo…
Expo's MCP Server is Now Free - Connect Your AI Assistant to Expo Projects
The Expo MCP Server dropped its paywall. Anyone with an Expo account can now hook up their AI coding assistant to Expo docs and tools. Previously, you…
I automated my Gumroad product screenshots with Playwright
I automated my Gumroad product screenshots with Playwright I recently started packaging a few small frontend projects as digital products, and one sur…
Diagnose Node.js CommonJS vs ESM Errors with Claude: A Copy-Paste Prompt Kit (ERR_REQUIRE_ESM, ERR_MODULE_NOT_FOUND)
By the end of this article you'll have a small Node.js script that pipes a module-resolution error ( ERR_REQUIRE_ESM , ERR_MODULE_NOT_FOUND , Cannot u…
HTML in Canvas API
For years, web developers have had to make a tough architectural choice when building complex, highly-interactive visual applications on the web/ Shou…
How to Leverage Magento 2 Asynchronous Bulk APIs in Google Apps Script (Zero Timeouts)
When connecting Google Workspace to enterprise e-commerce infrastructures like Adobe Commerce (Magento 2), most developers fall into a resource-heavy …
Debugging the Google Maps Duplicate Loading Bug in React
Originally published on clintech.me If you've integrated Google Maps into a React app and seen Autocomplete randomly stop working, Directions silently…
Developer Tools That Actually Save You Time in 2026
As developers, we often lose hours to repetitive tasks - formatting data, debugging auth tokens, or wrestling with encoding issues. The right set of u…
I Built a Freelance Job Hunting Automation on n8n — Here's Everything I Learned
I'm a 17-year-old IT student from Luxembourg. A few months ago I got tired of spending 2-3 hours a day manually browsing Upwork, Malt, and Freelancer …
How to add a contact form to your static site — no backend, no monthly fee
I got tired of paying for form services or spinning up a backend just to handle contact form submissions. So I built RG Forms — a contact form endpoin…
How to Enable Strict Mode and Why You Should Always Use It
TLDR Strict mode in TypeScript turns on 8 safety checks at once with one line: "strict": true in your tsconfig.json . It catches null errors, missing …