Daily edition · JavaScript
TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.
18 articles · 2 sources · 1 paper ·
Top topics: JavaScript · AI · React
Norway requires every consumer loan to advertise its effective annual rate, not the nominal one. The difference sounds like a rounding detail. It is not, and the reason is that there is no closed-form solution for it,…
Cheap AI code is not the hard part. Unstated assumptions are. A student types "add a waitlist endpoint." The agent returns JWT, Redis, Postgres, and a welcome email. Looks senior. It is mostly fiction. This lab grades…
In backend development, code solves the "how" problem, while charts solve the "what" and "why" problems. Diagrams are a "system perspective mirror" for backend developers—they make invisible calls visible, unclear…
A successful video-generation response is not the same event as a video becoming playable in a browser. If a dashboard stops its timer at provider success, the number can exclude output transfer, browser loading, and…
Rendering 24 Shareable Images a Day With HTML, CSS and Playwright I'm Xiaosuanshi (小算师) — a free site that serves daily horoscopes for all 12 Western zodiac signs and 12 Chinese zodiac animals, fully automated. This is…
A backend team received an agent-generated pull request on Tuesday morning. The subject line claimed a quiet session-cookie expiry fix. A green CI badge sat under a 240-line TypeScript diff. The human reviewer had…
Job hunting in 2026 is mathematically broken. Recruiters use ATS bots to reject candidates in 6 seconds. Companies post ghost jobs that stay open for months. And the market is flooded with paid SaaS tools charging…
A Markdown linter can detect the right problem and still highlight the wrong character. The usual cause is not parsing. It is a coordinate-system mismatch: one component counts UTF-8 bytes, another counts Unicode code…
The checkout service was already in production. A junior engineer sat down with a senior on a Tuesday afternoon and pointed at a half-specified refund path: no idempotency key in the ticket, no owner for the existing…
For the last two years, most of us building with large language models made a quiet assumption without ever writing it down anywhere. We assumed that the thinking a model produces is just text. Tokens in, tokens out. If…
Large Language Models have moved beyond simple text generation. Modern applications can use LLMs as the reasoning layer of an AI agent that retrieves information, calls tools, interacts with APIs, and completes…
arXiv:2609.03806v1 Announce Type: new Abstract: Scalable Vector Graphics (SVG) generation is attracting increasing attention as generative models improve in expressiveness and controllability. Progress, however, is held…
Mockaroo Alternative: Unlimited Client-Side Mock Data Generator (Free, No Signup) 原文发布于 Dev.to · 2026-08 上周我在做一个项目的数据库测试，需要生成一批假用户数据。 随手搜了"mock data generator"，第一个结果就是 Mockaroo。界面确实专业——直到我选了200行，它告诉我：你的免费额度已用完，升级 $49/月…
I finished my Tenzies capstone project (built with React) and I want to talk about the one bug that taught me more than any tutorial did. 🔗 Live demo: tenzies-six-silk.vercel.app 🔗 Code: github.com/BlackJosh007/tenzies…
As developers, we all know the importance of code security. But keeping your projects safe can be a never-ending battle against evolving threats. That's where DUALAI Arena comes in - an innovative AI-powered tool that…
Introduction Async/await has become the de‑facto way to write asynchronous code in JavaScript. However, developers often run into mysterious deadlocks where the event loop appears to stop, promises never settle, and the…
The CTV campaign cleared delivery. The ad server counted the impression. The verification partner's dashboard stayed empty for three days before anyone opened the VAST XML. The tag was not missing measurement. It had an…
