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50 items on 13 Sep 2026
JavaScript

Claude Code: Hook, Skill hay Subagent — chọn sai mất gì?

Originally published on NextFuture Bạn muốn Claude Code "luôn chạy linter sau khi sửa file", nên viết một Skill. Nó chạy đúng phần lớn thời gian — phần còn lại Claude tự quyết là task này không cần lint và bỏ qua. Một…

Source: DEV JavaScript feed BeanBean
JavaScript AI

Giá token 13/9: 12 thay đổi giá, tính lại budget model LLM

Originally published on NextFuture Bạn chốt budget model từ đầu quý, pin DeepSeek V4 Pro cho batch job chạy đêm, rồi không xem lại bảng giá nữa. Ngày 13/9/2026 giá prompt của đúng model đó tăng hơn gấp đôi, và bill cuối…

Source: DEV JavaScript feed BeanBean
JavaScript AI

Stop Writing Boilerplate: A Visual Generator for MCP Server Schemas

The Model Context Protocol (MCP) Boom Anthropic's MCP has officially become the universal standard for connecting AI agents to real-world tools. Whether you're building a file-system reader, a SQL query executor, or a…

Source: DEV JavaScript feed Minh Phuong Nguyen
JavaScript

Syncing MLB Stats to pandas Without Double Processing

Orchestrating Real-Time Sports Data Pipelines Running a scraper inside a scheduled cron job is only ten percent of a production data engineering workflow. The real complexity lies in what happens downstream: moving that…

Source: DEV JavaScript feed Crawler Bros
JavaScript

Keep the Key on Disk Until Burst Work Pays

A remote hop is a cost, not a default. Secrets belong on disk, not on the wire. Offline work stays local until a clean burst justifies rent. Most agent loops invert that order. They post context on the first tool call.…

Source: DEV JavaScript feed Riley Wu
JavaScript

Letter to Friday-Me: Budget, Isolate, Then Stamp the Receipt

The following letter is a reconstructed failure log. It is not a claim about any employer. Friday at 16:40, the coding agent was still looping. No receipt named the runner, files, or stop condition. Friday-me, You…

Source: DEV JavaScript feed Quinn Li
JavaScript

I built BoardEject: an open-source Apple Freeform Excalidraw converter

I wanted a way to get editable content out of Apple Freeform instead of only ending up with a flattened PDF. So I built BoardEject. The basic flow is: Freeform → BoardEject → editable .excalidraw Where supported,…

Source: DEV JavaScript feed Royal Simpson Pinto
JavaScript AI

Bỏ Colab Pro và Copilot: stack LLM local tốn bao nhiêu?

Originally published on NextFuture Bạn trả $49.99/tháng cho Colab Pro, nhưng phần lớn compute unit cháy vì quên tắt session. Trên đúng chiếc máy đó, bạn còn trả thêm cho Cursor, Copilot hoặc Windsurf. Hai bài đo chi phí…

Source: DEV JavaScript feed BeanBean
JavaScript

How to Embed the Omniston Widget with a CDN Script

Add an Omniston swap interface to a website with a single CDN bundle, TON Connect, and a small amount of JavaScript. You do not need a package manager or a full frontend build pipeline to embed the Omniston Widget.…

Source: DEV JavaScript feed Ivan “Crypto Vazima” Zimanov
JavaScript

Understanding Routing in Ryvax.js: A Deep Dive

Understanding Routing in Ryvax.js: A Deep Dive Ryvax.js offers a powerful and flexible routing system that allows developers to manage their application’s navigation efficiently. In this article, we will explore the key…

Source: DEV JavaScript feed Kvant swatg
JavaScript

Browser Fingerprinting in 2026: What Still Works, What Doesn't

Browser fingerprinting still works in 2026, but the useful techniques have shifted underneath everyone. Chrome's Privacy Sandbox has frozen or removed half the signals fingerprinting libraries depended on. Firefox and…

Source: DEV JavaScript feed webdecoy
JavaScript React

Three years of teaching a browser to write music notation

For the last few years I've been building a music tool that runs entirely in the browser: you play, what you played becomes readable notation, the notation plays back, and you hand it to someone. That sentence took…

Source: DEV JavaScript feed creathree

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