javascript
19 articles tagged with "javascript"
Tech Feeds
How I Built a Multimodal AI Virtual Stager with the Gemini API and Cloud Run
The Problem with Empty Rooms If you have ever tried to sell a house, you know the golden rule: empty homes sit on the market longer and sell for less. Buyers struggle to visualize the potential of a...
Web App Manifest Creating an Immersive PWA Experience
Let’s explore the Web App Manifest, a key tool for building Progressive Web Apps (PWAs). PWAs make web apps feel like native applications, supporting offline access, installation to the home screen, a...
Node.js is changing its release cycle, just as Chrome switches to faster upgrades
Slow and steady.
Why I Built a Multilingual SaaS Frontend Without React, Next.js, or a Build Step
This frontend ships 40+ conversion tools in 7 languages, handles auth, Stripe payments, and trial gating — and the build command is literally echo 'Static site - no build needed'. For FastlyConvert, I...
The JavaScript AI Build-a-thon Season 2 starts March 2!
Most applications used by millions of people every single day are powered by JavaScript/TypeScript. But when it comes to AI, most learning resources and code samples assume you're working in Python an...
Introducing Resize.one: The Ultimate Privacy-First Bulk Image Resizer for Web Developers
Hey DEV community! 👋 Resize.one – a completely free, browser-based tool that resizes, optimizes, and processes hundreds of images at once, all without ever leaving your device. Resize.one 100% Priv...
I built an open-source alternative to carbon.now.sh
carbon.now.sh hasn't had a commit since December 2024. 35.9K stars, zero activity. If you depend on it for code screenshots, that's not great. I built Ray as a replacement. Free, open-source code scre...
OpenClaw Rises, Agents Get Email, Infrastructure Goes AI
Simon Willison tracks the hottest AI project trajectory—from weekend hack to OpenClaw, the story everyone's watching! HashiCorp founder Mitchell Hashimoto shares his honest AI journey: the three inevi...
Node 25.4.0 solves the import require mess and adds more features
The update smooths out mixed module workflows.
Building Generative Art Step by Step — A Node Garden Example
This node garden implementation is just one example. There are many different expressions and implementations out there, so please consider this as a reference. This is what we're building. When c...
Building A Multi-Account Walkthrough System That Supports MyLanguage and Pine Strategy Language Based on FMZ
Demand Scenarios of Walkthrough System: Why can strategies written in MyLanguage or Pine scripts always only control one account and one product? The essence of this problem lies in the design positi...
Dependency Tracking Fundamentals (II)
This article delves into React's dependency tracking model, highlighting its limitations such as unnecessary re-renders and manual dependency management. It contrasts this with the Signals model, which offers an explicit dependency graph for fine-grained updates, improving performance in complex applications.
How to Run Jest Integration Tests in Parallel Using Isolated SQL Schemas
In one of our TypeScript/Node.js services, most of our confidence comes from integration tests, with a deliberately thin layer of unit tests applied only where business logic is sufficiently complex t...
ReactJS Hook Pattern ~Latest Ref Pattern~
・The latest ref pattern solves the problem of accessing the latest values in useEffect without having to add them to the dependency array. First, you create a ref to store the function, then another u...
Mastering React's Dynamic Side: State, Events, and Conditional Rendering! (React Day 3)
This article provides a comprehensive tutorial on managing state, handling events, and implementing conditional rendering in React. It includes practical examples, common mistakes, and debugging tips, making it a valuable resource for developers looking to enhance interactivity in their React applications.
Learning Docker by Building a Three-Tier MERN Application
This article provides a practical approach to learning Docker by building a three-tier MERN application, emphasizing real-world application over rote memorization. Key Docker concepts such as multi-stage builds, networking, and volumes are explored, demonstrating how to create reproducible environments.
NodeJS 101 — Part 3 🗄️MySQL + Sequelize
This tutorial provides a comprehensive guide on building a RESTful API using Node.js, Express, MySQL, and Sequelize. It covers installation, configuration, model creation, and CRUD operations, making it a valuable resource for developers looking to implement a database-driven application.
Advanced React Patterns Every Developer Should Know
This article explores advanced React patterns such as Compound Components, Custom Hooks, and Error Boundaries, emphasizing their roles in building scalable and maintainable applications. It provides practical examples and insights into optimizing performance and managing state effectively across components.