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45 items on 12 Sep 2026
JavaScript AI

Chạy LLM on-device trong app Capacitor: iOS 26 và Gemini Nano

Originally published on NextFuture Thêm tính năng AI vào app mobile lâu nay đồng nghĩa với việc gửi text của người dùng lên server: chọn nhà cung cấp, tìm chỗ giấu API key không nằm trong bundle, và chấp nhận một hoá…

Source: DEV JavaScript feed BeanBean
JavaScript

Prompt caching ghi mà không đọc: vì sao bill tăng 25%

Originally published on NextFuture Bạn bật prompt caching cho một agent loop để cắt chi phí input, vì trong một tool loop thì input token là gần như toàn bộ hoá đơn. Một thời gian sau bill tăng chứ không giảm, trong khi…

Source: DEV JavaScript feed BeanBean
JavaScript

Does thinking twice as long make a Go AI twice as good? I measured it

Syndicated from the original on lkforge.com. The live engine is at lkforge.com/games/go; the full harness is in this gist. My browser Go engine uses Monte Carlo Tree Search: to pick a move it plays out thousands of fast…

Source: DEV JavaScript feed Lucian (LKB)
JavaScript

A CSV diff should reject duplicate IDs before it reports changes

Authorship: this article and the linked toolkit were prepared by Codex on behalf of the account owner. The examples use synthetic data. The execution results below come from actual local runs, not customer deployments.…

Source: DEV JavaScript feed yyygyf
JavaScript

Query Every Token on the XRP Ledger With One Endpoint

The XRP Ledger currently has 20,374 issued tokens, and 1,207 of them traded in the last 24 hours. Getting at that data usually means running your own rippled node or stitching together several exchange APIs. There is a…

Source: DEV JavaScript feed Nyx Lesende
JavaScript

Developer events September-October 2026

Hey! I compiled a list of developer events in Europe and online for these next two months of September-October. Key themes stay the same AI, automation and platform/internet context optimization but some innovations…

Source: DEV JavaScript feed devrel-serious
JavaScript

Why Static Mock APIs Aren't Enough for Modern Frontend Development

Every frontend developer has experienced this sequence: You start building an interactive web application. The backend is not yet ready, so you connect to a popular free mock API like JSONPlaceholder or a local static…

Source: DEV JavaScript feed Nilesh Kumar
JavaScript

setTimeout() in JavaScript

setTimeout() is a built-in JavaScript function that is used to execute a function after a specified amount of time. It is commonly used when we want to delay some code from running immediately. The basic syntax of…

Source: DEV JavaScript feed ABISHEK M
JavaScript React

I Finally Published My First NPM Package! 🎉

Hello everyone 👋 I’m really happy to finally share my first NPM package: taglite 🚀 This package started from a simple need in one of my projects. I needed a Tag Input component, so I tried several different libraries.…

Source: DEV JavaScript feed Hossein Najafi
JavaScript

The test that failed every morning and passed every afternoon

Originally published on the WatchNext blog. While making an unrelated change — adding a processor to a privacy page and a link to a footer — the test suite came back with eleven passes and one failure: - 1 + 2 ❯…

Source: DEV JavaScript feed Eugen Taranowski
JavaScript

Understanding Routing in Ryvax.js: A Comprehensive Guide

Understanding Routing in Ryvax.js: A Comprehensive Guide Routing is a fundamental aspect of web application development. It determines how an application responds to client requests to specific endpoints, essential for…

Source: DEV JavaScript feed Kvant swatg
JavaScript React

Integrating APIs with Ryvax.js: A Practical Guide

Integrating APIs with Ryvax.js: A Practical Guide In modern web development, interfacing with APIs is a critical task for building dynamic and engaging applications. Ryvax.js simplifies this process through its robust…

Source: DEV JavaScript feed Kvant swatg
JavaScript

TypeScript Features Worth Adopting First

I've onboarded a few teams onto TypeScript, and the same pattern shows up every time: people try to use everything at once. Generics everywhere, conditional types, mapped types, decorators. Then they get frustrated and…

Source: DEV JavaScript feed Stack Horizon

45 items available