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You get a CSV from a vendor. The columns are fname, lname, tel, addr1. Your database expects first_name, last_name, phone, street_address. You write a
Towards an Open Source Print-Ready Publication Library in JavaScript Building paragraf: a typesetter with industry-standard methods for pri
We just open-sourced Output: a TypeScript framework for building AI workflows and agents. It came from our real work at GrowthX. We have two tracks:
It was a Monday morning. I had to add a simple "mark as read" feature to a notification dropdown. NgRx task list: Create notification.actions.ts
Embedding raw LLM prompts in codebases is a massive architectural anti-pattern. We used to write features like this across our Next.js backend: /
Note from the author: You're reading a Dev.to adaptation. The original on NexusTrade includes interactive trace viewers, animated diagrams, equity cu
In product demos, you often see names like John Doe, Jane Smith, Test User, and random emails like test@example.com. That works fine for smoke tests.
I spent years building applications with Postgres. It works. But every time I modeled a domain with aggregates and events, I felt like I was fighting
Almost every modern web application will need a REST API for a client to talk to, and in almost every scenario, that client is going to expect JSON. T
The Bug That Passed Lint I was building a menu component. The trigger had aria-haspopup="menu". The content panel had role="dialog". Every
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I Built an AI-Powered Stock Analysis Platform with Next.js and Claude AI After months of manually analyzing stocks and switching between mu
Claude Mem – TypeScript Project: Complete Ai And Automation Use-Cases Guide (2026) How to use AI and automation with Claude Mem – TypeScri
Every store that uses withLoading() doesn't need to re-test that setLoading(true) sets isLoading to true. That's the feature's job. Test the feature o
Full technical breakdown of v3.1 'The Polish Pass' — a custom WebView toast system, global loading states, per-platform character limits, and
JSON to TypeScript: Generate Types in 5 Seconds Published on: Dev.to Tags: #typescript #vscode #productivity #code-generation #extension Re
You're writing a Playwright test. You need to seed some rows first. You write: const result = await db.query('SELECT * WHERE id = ?', [42]);
I’ve been working with TOTP/2FA in Node.js lately and noticed most libraries only handle generate/verify… but real apps need more than that. So I bui
I've been using Cursor as my primary editor for about a month now — working full-time on a Next.js 14 project with TypeScript, Tailwind CSS, and a fai
Last year I shipped two products within six months of each other. The first used Firebase. The second used Supabase. Both are in production. Both have