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Fetching Data in React: A Beginner-Friendly Guide (with `fetch` and `async/await`)

If you're learning React, one of the very first "real world" things you'll need to do is fetch data from an API and show it on the screen. In this post, we'll build that up step by step using a free, no-auth-required API: FakeStoreAPI.By the end, you'll understand:How fetch() works with .then()How to rewrite the same logic using async/awaitHow to fetch data properly inside a React component using useEffect + useStateHow to handle loading and error states like a pro 1. The Raw JavaScript Way

SWE-1.7 Reach Near GPT 5.5 and Opus Intelligence

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Cost of hosting a React app on AWS vs Vercel — real numbers

Let's cut through the marketing fluff and look at the actual numbers. If you're building a React app in 2026, the choice between AWS and Vercel often comes down to one question: how much are you willing to pay for convenience?Here's the honest breakdown.The quick verdictFor a typical production React app with moderate traffic (35K visitors/month, 180GB bandwidth):Platform Monthly CostVercel Pro $20/monthAWS (S3 + CloudFront) $5–8/monthAWS is 60–75% cheaper at this scale.But that $12–15/mon

DEMYSTIFYING REACT COMPONENT INSTANCES

Hello fellow React developers! In this article we will be breaking down what React component instance is and scenarios where React component instance is at play. What is a React Component ?Before we can understand and really appreciate what a React component instance is, we first need to understand what a component itself is. Basically, components are the fundamental building blocks of any React application. They are independent, reusable pieces of code that allow you to split your applicat

Show HN: Kastor – Terraform-style specs for AI agents

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Chatto is now Open Source

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useEffect Is Not a Lifecycle Method

I spent longer than I should have mentally mapping useEffect onto componentDidMount and componentDidUpdate. That model works just enough to feel right. Then it breaks in ways that are genuinely hard to debug.The actual model is simpler: useEffect synchronizes something outside React with your current state. That's it. Not "run when the component mounts." Synchronize an external thing.The clearest version of this is a subscription. If your effect subscribes to something and your cleanup unsubscri

React Dynamic Web Apps & Clean Form States

While building Chef Claude, I realized React wasn't just helping me build a UI.It completely changed the way I handled forms and dynamic data.In vanilla JavaScript, I was writing a lot of code just to grab a value from a form and update the page.Then I discovered useState and FormData, and things started to click. The ProblemChef Claude lets users enter ingredients and generates a recipe.Before React, I would've selected the input manually, grabbed its value, and updated the DOM myself.That

Type-Safe Invite Email Checks for React Apps

React teams usually get pretty good at testing components, routes, and API states. Invite emails are where things still slip. The button looks right in the UI, the mutation returns 200, and everybody moves on. Then a teammate opens staging, clicks the invite, and lands on a broken path because the email template still points to last week's route. It sounds tiny, but it can derail a release fast.What has worked best for me is treating invite email data like a product contract between React and th

Mistral's Robostral Navigate: a state of the art robotics navigation model

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OpenBSD has a use-after-free allowing local privilege escalation to root

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Cloudflare Meerkat - Globally distributed consensus

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React useReducer vs useState Kab Use Karein

React useReducer vs useState का उपयोग कब और कैसे करें? इस विस्तृत हिन्दी गाइड में स्टेट मैनेजमेंट, कोड उदाहरण और बेस्ट प्रैक्टिसेज को गहराई से सीखें।जब हम ReactJS में नए-नए प्रोजेक्ट्स बनाना शुरू करते हैं, तो useState हुक हमारा सबसे पहला और पक्का दोस्त बनता है। लेकिन जैसे-जैसे हमारी एप्लीकेशन का साइज बढ़ता है और स्टेट्स आपस में उलझने लगती हैं, हमारे सामने एक बड़ा सवाल आता है—क्या अभी भी हमें useState ही इस्तेमाल करना चाहिए, या अब useReducer का सहारा लेने का समय आ गया है?⚡ Quick Answer: अगर आपकी स्

React.js Development Cost in 2026: A Complete Guide for Businesses

If you're planning to build a React application in 2026, one of the first questions you'll ask is:"How much will React.js development actually cost?"The answer depends on far more than hourly developer rates. Features, application complexity, team structure, integrations, testing, and long-term maintenance all influence the final budget.This guide explains what businesses should expect before starting a React project.Why React Still Leads Frontend DevelopmentReact remains one of the most popular

Apple to increase spend with Broadcom to produce billions more U.S. chips

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React Invite Emails Without State Drift

Invite emails break in a very specifc way: the UI feels correct, the API returns success, and then the person opening the invite lands on an old workspace, an expired token, or the wrong host. I have hit this a few times in React products, and the pattern is nearly always state drift between the frontend action and the backend mail job.The fix is not a giant testing pyramid. It is a small contract between React and Node.js that proves one user action produced one correct email for one run. That

Designing a Multi-Agent AI Architecture for SiteGen AI

Designing a Multi-Agent AI Architecture for SiteGen AIAs SiteGen AI continued to evolve, I realized that asking a single AI model to generate an entire application wasn't the right approach.The results were inconsistent.Sometimes the frontend looked great.Sometimes the backend was incomplete.Sometimes the generated code didn't work together.Instead of writing bigger prompts, I decided to redesign the entire architecture. The ProblemThe original workflow was straightforward.A user ente

CallBack and CallBack Hell in JS

In JavaScript, callbacks are used for handling operations like reading files and making API requests. When there is excessive nesting of the functions it leads to a problem known as the callback hell. Due to this, it becomes difficult to read the code, debug, and maintain. But when we implement the promises and async/await it helps in improving the code.What are Callbacks in JavaScript?In JavaScript, callbacks are functions that are passed as arguments from one function to another and are execut

Agentic AI Training in Hyderabad | Agentic AI Online Training

Is Agentic AI the Next Big Career Roadmap Trend for Software Engineers?IntroductionAgentic AI Career discussions are becoming common among software engineers because AI systems are moving beyond simple automation. Today, many organizations want AI systems that can understand goals, make decisions, use different tools, and complete tasks with less human support. This shift is changing software development and creating new career opportunities. Many professionals are exploring an Agentic AI Course

How to Build Cloud-Connected Software as a Medical Device (SaMD)?

As healthcare software becomes increasingly intelligent and interconnected, Cloud Connected Software as a Medical Device (SaMD) is redefining how clinical applications are developed, deployed, and maintained. Unlike traditional medical software that operates in isolation, cloud-connected SaMD enables real-time data synchronization, AI-driven decision support, remote patient monitoring, and continuous software improvement.For software engineers, solution architects, DevOps teams, and healthcare t