Bắt LLM trả JSON đúng chuẩn: ba lớp và vòng repair
Liquid syntax error: Variable '{{% raw %}' was not properly terminated with regexp: /\}\}/
Daily edition · JavaScript
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52 articles · 7 sources · 4 papers ·
Top topics: JavaScript · AI · React
Được index nhưng không được AI trích dẫn: sửa từ đâu
Originally published on NextFuture Bạn mở Search Console, thấy trang vẫn có impression, vị trí vẫn ổn. Nhưng hỏi ChatGPT hay Perplexity đúng câu mà trang đó trả lời, nó trích dẫn ba site khác và không có bạn. Xếp hạng…
How to Build an AI Chatbot with Gemini and Vercel Serverless Functions 🚀
A couple of months back, I built a chatbot application using React, Node.js, and Vercel Serverless Functions, which I used in my web app, buildcv.makeadifference.app. In this tutorial, I'll walk you t
Add a responsive revenue chart with Orchid Charts
I maintain Orchid Charts, a JavaScript library for SVG charts in dashboards and reports. Give it labels and values, and it renders a chart with axes and tooltips that follows its container’s width. CSS variables let you…
Running an Expo SDK 57 app in Expo Go? You now need to be logged in on both ends
You scan the QR code like you've done a hundred times before, npx expo start is running, the terminal looks fine, but the app on your phone just sits there with an error instead of loading your project. Here's what…
Query-Aware Code Compression for LLMs: 1.3M LOC to 1,500 Lines in 2.8s
Query-Aware Code Compression for LLMs: 1.3M LOC to 1,500 Lines in 2.8s The Problem You want to ask an LLM a question about your codebase. You have three options: Paste everything — Repomix dumps your entire repo. For…
How I Made My React Website Load Faster by Fixing Images
The easiest performance win in React isn't always your JavaScript. Sometimes it's your images. I used to think performance optimization meant splitting bundles, memoizing components, and chasing Lighthouse scores. Then…
A reader asked what a 250 MiB file costs a browser tab. The JS heap said 2.4 MiB and was off by 500.
Three weeks ago a reader left this on one of my posts: I like the refusal-machine framing. One ugly case is missing though: local is not the same as cheap. file.arrayBuffer() plus a parser copy plus a WASM heap can hold…
Limn Engine Just Got Smarter — Here's What We Added (And Why It Matters)
The question that started it all: "Why do we have to write the same code in every single game?" So we built Limn Engine — a zero-configuration, browser-based 2D game engine that hits 60 FPS on hardware old enough to…
Moleculer vs NestJS: which one, and when
If you are choosing a framework for a Node.js backend that will be more than one service, you will end up comparing NestJS and Moleculer. People ask me about it constantly, usually phrased as "which is better?", and I…
This reset token uses MD5 — but that's not the real bug
Exploit a predictable password reset token generation mechanism to take over any user account. The password reset on OopsSec Store builds tokens from MD5(email + timestamp). The timestamp is right there in the API…
Node.js microservices without Kubernetes (and without a platform team)
Somewhere around 2018 the phrase "we're doing microservices" silently became "we're running Kubernetes". The two ideas fused. Today when a Node.js team asks how to split a backend into services, the answer they get is a…
Limn Engine Just Got Smarter — Here's What We Added (And Why It Matters)
The question that started it all: "Why do we have to write the same code in every single game?" So we built Limn Engine — a zero-configuration, browser-based 2D game engine that hits 60 FPS on hardware old enough to…
Grow Revenue from Two Live Apps
Grow Revenue from Two Live Apps Every jackgreen.top tool starts with a simple question: what do people actually need? Two of our tools have been quietly making money — the Barcode & Label Generator (free, Code…
Building an Email Verification Middleware for Express.js Signup Forms
Signup forms are one of those things that look simple until you actually run one in production. You end up scattering the same email-checking logic across every route that touches user creation — signup,…
The Test Suite Was Green. Scout Was Still Wrong.
I found a bug in Scout that looked, at first, like a small classification mistake. The assistant was being asked: Is LeetCode documented as a gap? The knowledge base clearly contained that relationship. The model had…
My Quiz Has an AI Rival. Its Scoring Doesn't Need an LLM.
After using Kahoot in a training session, I wanted to replay the questions. What I missed was the rhythm: answer, watch the score move, try one more round. In a solo session, there was nobody to compete with. Quick…
From Blueprint to Production: How AI Revolutionizes App Development
Software engineering is undergoing a fundamental shift away from manual, repetitive coding toward high-level architectural design. AI app creation platforms simplify this transition by acting as intelligent force…
Build Expense Reimbursement App With ToolJet MCP
Introduction Build expense reimbursement app with ToolJet MCP when employees need to submit claims, attach receipts, group them into weekly reports, and track payment status through approval and finance. An agent can…
React 19 useActionState: 3 Silent Trapdoors to Avoid
Introduction React 19 has introduced a suite of powerful hooks designed to simplify form handling and state management. Among these, useActionState is perhaps the most anticipated. It promises to eliminate the tedious…
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