# Notes on Claude Code, AI agents and the web. Page 12 of 12. Hands-on posts on Claude Code, MCP, AI agents, Next.js and TypeScript, plus honest tool comparisons from shipping software for clients. RSS: https://alexcloudstar.com/rss.xml - [Next.js Auth0 with Sub-Domains: Multi-Tenant Setup (Next.js 13)](https://alexcloudstar.com/blog/setting-up-nextjs-13-with-auth0-and-sub-domains-a-guide-to-multi-tenancy-web-apps/): Hi guys! In the article today we’ll discuss and also I’ll show you how to set up NextJS 13 (with app folder), Auth0 and sub-domains. I’m currently working on a web multi-tenancy app. So we need multiple sub-domains. For security reasons, we decided t... (Oct 2023) - [Zustand vs Redux: Why I Switched (and When Not To)](https://alexcloudstar.com/blog/i-tried-zustand-and-its-awesome/): A few days into rewriting the apps from my portfolio, I tried Zustand and it felt refreshing after Redux, MobX and the Context API. Here is the Zustand vs Redux Toolkit comparison with code side by side: boilerplate, performance, devtools, team scale, and when Redux still wins. (Jun 2023) - [How to Become a Software Engineer Without a Degree (Anyone Telling You Otherwise Is Lying)](https://alexcloudstar.com/blog/heres-why-everyone-who-tells-you-that-you-need-a-college-degree-to-work-in-it-is-lying/): Hello everyone! My name is Alex Cloudstar and today I want to debunk something. One of the fears of those who wish to have a career in IT is that they either do not have higher education or they have a degree in a different field unrelated to technol... (Apr 2023) - [SolidJS: Fine-Grained Reactivity Guide and SolidJS vs React](https://alexcloudstar.com/blog/solidjs-a-powerful-and-reactive-javascript-library-for-building-efficient-web-applications/): SolidJS is a reactive JavaScript UI library with no virtual DOM, built on signals and compiled JSX. This guide explains how it works, shows the core primitives with code, compares it with React, Vue and Svelte, and covers SolidStart and the Solid 2.0 release candidates. (Apr 2023) - [TypeScript Utility Types: The Built-in Ones You Need, With Examples](https://alexcloudstar.com/blog/harnessing-the-power-of-typescript-top-utility-functions-you-need-to-know/): TypeScript ships with built-in utility types like Partial, Pick, Omit, Record, ReturnType, Awaited and NoInfer. This guide explains each with a short example, then adds two custom helpers (DeepPartial and Prettify) and the performance trap to avoid. (Apr 2023) - [What Is Ember.js? A Plain Guide to the Framework in 2026](https://alexcloudstar.com/blog/what-is-emberjs/): Ember.js is an opinionated JavaScript framework for ambitious web apps, created in 2011. Here is what it is, how its router, components, Ember Data and CLI fit together, how it compares to React, and whether it is worth learning in 2026. (Apr 2023) - [What Is Backbone.js? Models, Views, Routers and Modern Alternatives](https://alexcloudstar.com/blog/what-is-backbonejs/): Backbone.js is a small JavaScript library that adds models, collections, views, events and routers to web apps. This guide explains how Backbone works with code, what it needs, how it compares to React and Vue, and what developers use in its place today. (Apr 2023) - [What Is Pug? The HTML Preprocessor and Template Engine Explained](https://alexcloudstar.com/blog/what-is-pug-html-preprocessor/): Pug, formerly Jade, is an HTML template engine for Node.js that uses indentation instead of closing tags. This guide covers the syntax, variables, loops, includes, layouts and mixins, how to use Pug with Express, and when to choose it over other templating options. (Apr 2023) - [What Is Mustache.js? A Guide to Logic-less JavaScript Templates](https://alexcloudstar.com/blog/what-is-mustache-js/): Mustache.js is the JavaScript implementation of the Mustache logic-less template language. This guide covers the syntax (variables, sections, inverted sections, partials, escaping), how to render templates with data, and how it compares to Handlebars and modern alternatives. (Apr 2023) - [What Is jQuery? History, Benefits and Modern Alternatives](https://alexcloudstar.com/blog/what-is-jquery/): jQuery is a JavaScript library that simplifies DOM selection, events, animation and Ajax. This guide covers what jQuery is, its history, how it looks next to modern vanilla JavaScript, the current jQuery 4 release, and when to use it or move to alternatives. (Mar 2023) - [ChatApp V2: The Next Generation of Chatting](https://alexcloudstar.com/blog/chatapp-v2-the-next-generation-of-chatting/): ChatApp V2 is the upgraded version of KSChat, a chat application that offers a variety of features for users to enjoy. With ChatApp V2, users can easily create an account, log in and out, view their own and other users’ profiles, customize their prof... (Jan 2023) - [How to Pass the AWS Cloud Practitioner Exam: How I Earned My Certification](https://alexcloudstar.com/blog/how-i-earned-my-aws-cloud-practioneer-certification/): How I passed the AWS Cloud Practitioner exam with zero cloud experience, going from failed practice tests to certified in under two weeks. (Nov 2022) - [My Story, how it all started (part 1)](https://alexcloudstar.com/blog/my-story-how-it-all-started-part-1/): Introduction Hi guys! Today , I want to present my story. Before I’m going to start telling you my path and all of the obstacles I encountered, I’ll tell you a few words about me. At this very moment, when I’m writing this article, I am wor... (Nov 2022) - [What I Learned Building a Chat App With Socket.io and React](https://alexcloudstar.com/blog/what-i-learned-from-building-a-chat-project-with-socketsio-and-react/): A few days ago I’ve built a React application with socket.io. It’s a chat app. *Sidenote: The repo and youtube video will be at the down of the article. Now, when you’ll see it you may ask a few questions like, “why didn’t use any DB or firebase?” or... (Aug 2022) - [Newer posts](https://alexcloudstar.com/blog/11/)