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I got tired of writing Postman scripts to pass tokens, so I built a visual API chainer

Hey devs! 👋Let's be honest. We’ve all been there: You want to test a simple API sequence. Hit the /login endpoint.Extract the JWT token from the response.Pass that token into the Authorization header of the /get-profile endpoint.In traditional API clients, doing this requires switching to a "Tests" or "Scripts" tab, writing something like pm.environment.set("token", response.json().token), managing environment variables, and hoping you didn't make a typo. There are visual tools out there (like P

Exporting M3E Canvas Designs Directly to Production React Code

Bridging the gap between UI design tools and actual code output can be painful, especially with flexible new design frameworks like M3E Canvas.To help streamline this workflow for front-end developers and UI designers, I built a zero-dependency web utility: M3E Design-to-Code Exporter. What it does:Accepts M3E canvas JSON specifications.Instantly converts them into structured React component boilerplates.Runs 100% in the browser with zero external network dependencies for complete privacy.T

Fast, Cached Stats for Real Estate CRM

The Problem: SlowämpReal estate agents using a CRM must monitor sales performance, lead.Strength, and inventory status in real‑time. In HomeNex, the dashboard pulled 24‑hour aggregates by scanning the entire property and transaction history on each request. On busy days, this meant the page would freeze for several seconds, interrupting the agent’s workflow and causing frustration. Why It Mattersیې Agents rarely have the time to wait for a page to load. A delayed dashboard canедом. Ag

Real Estate CRM on WhatsApp: HomeNex Automates Lead Tracking

IntroductionIn India’s fast‑paced real‑estate market, agents juggle dozens of prospects across multiple platforms. When a potential buyer or tenant drops a message on WhatsApp, the agent must remember who last spoke with that lead, when, and what was discussed. A missed follow‑up can mean a sale slipping away.HomeNex, an AI‑powered CRM built for Indian real‑estate agents, tackles this pain point head‑on. By storing the most recent speaker directly on each lead record, agents gain instant v

Astra for Coding: Why Are We Doing This Again?

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Bridging n8n AI Workflows to React 19 with Vercel AI SDK and SSE Streaming

When integrating n8n-io/n8n (v2.38+) into modern web frontends, a common architecture is using n8n as an autonomous agent orchestrator while serving UI over React 19 and @ai-sdk/react. However, connecting n8n's Webhook streaming node directly to a client typewriter interface exposes subtle protocol mismatches.By default, n8n emits chunked HTTP or standard Server-Sent Events (SSE). If consumed naively in useChat, reverse proxies (Nginx/Cloudflare) buffer chunks until a 4KB boundary is reached, de

We Replaced MMAP with Io_uring in Our Rust Query Engine. It Got Slower

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How We Built a Sub-Second Beauty E-Commerce Engine with Next.js 16, Dual Video Loops & Reactive Bundle Physics

How We Built a Sub-Second Beauty E-Commerce Engine with Next.js 16, Dual Video Loops, and Reactive Bundle PhysicsIn luxury beauty, skincare, and direct-to-consumer (DTC) cosmetics, visual aesthetics dictate brand authority. High-paying customers do not just buy ingredients; they buy an aspirational identity. They demand dewy skin textures, high-definition product application video reels, dynamic shade matchers, and tactile routine builders.Yet, most modern beauty storefronts remain fundame

React vs Next.js — The Explanation I Wish Someone Had Given Me

I built a React app from scratch once. I don't recommend it.A few years ago I started a side project with nothing but create-react-app and a lot of confidence. Two weeks in, I had:Hand-rolled a router using window.history and a switch statementWritten my own "smart" fetch wrapper with loading/error states copy-pasted into every componentNo idea how I was going to make the homepage load fast, because everything rendered on the clientNone of that is React's fault. React never promised to sol

React Core 1: Understanding the Basics

IntroductionReact is a JavaScript library for building user interfaces. I don't want to talk too much about the introduction—you can Google it or ask an AI about it. Here in this blog, I'll focus on the core concepts you should understand to become comfortable with React. I hope you'll stick around until the end. JSX &amp; How React Renders UIJSX is a syntax extension for JavaScript that allows us to write HTML-like markup inside JavaScript.For example:function App() { return ( &l

A Modern All-in-One File Converter for Developers: Fast, Simple, and Free

File conversion is one of those small tasks that rarely looks important—until it interrupts your workflow.A client sends a PDF that needs to become an editable document. A website project contains oversized images that need a web-friendly format. A data pipeline expects a particular CSV structure. Suddenly, a simple conversion can turn into a frustrating search through slow websites, intrusive advertisements, file-size restrictions, watermarks, or unnecessary software installations.For developer

The Gemini app is now available for Windows

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Adding a Simple News Feed to a Custom Start Page with RSS.app

I recently added a simple news section to a custom browser start page that I am building.Demo:https://uni928.github.io/Uni928PublicHTMLs2/index4BEnglish.htmlThe page already works as a lightweight start page where shortcuts can be saved and organized into folders.This time, I wanted to add one more feature:A news feed that can be opened only when needed. Why I used an RSS widgetAt first, I considered retrieving news data myself and building the entire news UI manually.However, for a small p

Agent Memory Myths, Root Escapes, and Rusty Toolchains

This week felt like giving our tools a trust fall and then quickly grabbing the safety net. pwning.systems shows how replacing fuzzy agent memory with Datalog-style facts turns "I think this is vulnerable" into auditable reasoning, while Johann Rehberger demonstrates that Claude Code auto mode can still be prompt-injected 60-80% of the time. Add a very real root-escalation bug in Omarchy's defaults and Drydock's npm tarball diffing for supply-chain surprises, and the message is clear: convenienc

🎮 Top 100 Best 2D JavaScript Game Engines in 2026

🎮 Top 100 Best 2D JavaScript Game Engines in 2026The most comprehensive list of 2D JavaScript game engines — categorized, compared, and explained for beginners and professionals alike. 📖 IntroductionThe JavaScript game development ecosystem has exploded in 2026. New engines have emerged, existing ones have evolved, and the line between "framework" and "engine" has blurred more than ever.But here's the problem: most lists are outdated, incomplete, or just plain wrong. They list engines

Safari 27 rewrites the module loader to fix top-level await

I pulled the WebKit post open in one tab and the smallest possible module graph in another, because a rewrite of the loader is not the kind of note you skim. The short version: per WebKit, Safari 27 now runs top-level await on a fresh module loader that translates the ECMAScript specification's pseudocode directly into C++, replacing the old self-hosted JavaScript implementation. The longer version has some good archaeology in it. What actually changedKai Tamkun's write-up on the WebKit blo

Engineering a Resilient CSV Parsing & Normalization Layer for Accounting Integrations

Engineering a Resilient CSV Parsing &amp; Normalization Layer for Accounting IntegrationsBuilding apps that connect to accounting software often seems simple at first.. Once you get to the data ingestion layer things get complicated. Financial platforms like Xero have unforgiving rules for CSV imports. If your data doesn’t match their expected schema— down to the smallest detail—your ingestion pipeline throws errors.. These errors are usually hard to understand.In this post I want to share

I Kept Getting Lied to by Solar Battery Calculators, So I Built One That Actually Respects Battery Chemistry

The Lie Every Solar Calculator Tells YouI was sizing a battery bank for an off-grid cabin build, and every calculator I found had the same silent bug: they treated Amp-hours as Amp-hours, full stop. Type in "100Ah" and it just multiplied by voltage and called it a day.That's not how batteries work. Not even close.A 100Ah LiFePO4 battery and a 100Ah lead-acid AGM battery are not interchangeable numbers — one gives you roughly 90% usable capacity, the other caps out around 50% before you sta

Three of my test gates had never heard of the game I was shipping

My browser arcade at play.dhseadev.online deploys when I push to main. Nothing ships unless verify-all.sh prints ALL GATES PASS. This week I was adding a ninth entry, a card game called Prismwar (not live yet). I built it, the index listed it, dist/ contained it.Three of the gates in that suite had no idea it existed. The list that didn't growThe arcade is driven by one table, ENTRIES. The build reads it, and so do the index, the sitemap and llms.txt. Three test scripts didn't: the boot/pai

This was very helpfull to read.

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