Curated development tutorials from top sources. Filter by language.
A trading bot can be written almost entirely in TypeScript. For a simple application, that can be enough: Strategy ↓ TypeScript ↓ Router
A week ago I wrote about a payment that got stuck in PENDING, and the fix I shipped: a reconciliation job that only marks a payment settled after conf
Rendering a built-in element or a custom component dynamically In JSX, React distinguishes between: built-in HTML elements: lowercase nam
TL;DR: Build a structured summary JSON output API by sending the diff and an explicit four-field schema in one chat-completions request, then validate
From Email Export to Agent Memory: The Pipeline I Actually Wanted The interesting part of an AI application is often not the model call. It is the pip
At Monest we run everything after the webhook on BullMQ. Messages come in, get queued, an agent drafts a reply, we send it. Today that is more than 10
Our MCP server at https://shopwithin.co/mcp exposes 6 tools, and none of them can reserve, hold or charge anything. An agent asks what is in stock at
On 27 September 2026, 4,629 pieces were live at the two Toronto boutiques we list, with a median asking price of $400 in Canadian dollars. That readin
Ray is 68 and five days home after a hip replacement. He asks his assistant whether he can put weight on the new hip. Halfway through the answer, his
The problem nobody shipped a fix for If you run NestJS microservices on Kafka, your service talks to the broker through kafkajs. It still w
No Uploads, No Servers: What I Learned Building Image Tools That Run 100% in Your Browser Every online image tool I've ever used has the sa
Your free plan says "up to 10". Where does that 10 actually live? In most apps I have read, it lives in the interface: a button that disables itself
Introduction Moving a frontend application from a Client-Side Rendered (CSR) Vite environment to a Server-Side Rendered (SSR) Next.js envir
When people search for a Robinhood Chain developer, they usually are not looking for another generic blockchain application. They have a specific pro
How non-engineers ship their own AI tools to production from a chat — and the one zone the engineer kept. Part 2 of A Prompt Is a Wish. A Tool Is a La
Munchable scans a barcode and tells you whether a product suits the gut conditions on your profile. People kept asking for something next to that: not
Munchable is a paid app, and for a while its price was one number in one currency with a conversion bolted on at the end. You read £10 on the pricing
Munchable is a gut health scanner: you scan a barcode, it tells you whether that product fits the conditions on your profile, and it names the reason.
npx next build was failing on precisely 13 pages, every time, with the same cryptic error: TypeError: Invalid URL, input: '' npm run dev work
TL;DR TypeScript and JavaScript crawlers run on the same JavaScript runtimes; TypeScript does not inherently make page retrieval faster. T