# Blog

Articles on web development, software engineering, and technology.

- [Building Smart Multi-Agent Apps with the OpenAI Agents Python SDK](https://aryn.tech/blog/building-smart-multi-agent-apps-with-the-openai-agents-python-sdk): xxArtificial Intelligence (AI) is advancing rapidly, and one of the coolest developments is the idea of multi-agent systems--where multiple AI agents work together to solve complex tasks. Imagine having a team of AI assistants, each good at different ...
- [Exploring Floating-Point Precision: Why 9.21 + 1.66 Equals 10.870000000000001](https://aryn.tech/blog/exploring-floating-point-precision): When working with programming languages, you may have encountered puzzling results in floating-point arithmetic. A classic example is the seemingly simple addition:
console.log(9.21 + 1.66); // Output: 10.870000000000001

At first glance, this might ...
- [Express.js is history? Why use Modern Frameworks in 2024?](https://aryn.tech/blog/expressjs-is-history-why-use-modern-frameworks-in-2024): In modern web development, Elysia.js and Hono.js are gaining attention for their impressive performance, often outpacing Express.js, which, despite its popularity, is beginning to show its age.
Why Choose Modern Frameworks?
Let's break down why this ...
- [How to Check Environment Variables in Vercel before deploying the application?](https://aryn.tech/blog/how-to-verify-environment-variables-in-vercel-before-building-an-application): Environment variables are essential for managing sensitive information and configuring your application without hardcoding values. Vercel allows us to modify these variables using project settings. Still, when deploying any application, verifying the...
- [System Design: Choosing the Correct Database for Your Application](https://aryn.tech/blog/system-design-choosing-the-correct-database-for-your-application): The database is the most essential part of many applications for storing and managing the vital information that keeps things running. But with a vast array of database options available, selecting the right one can be daunting. In this blog post, I ...
- [#CodeWeekly #7: Tailwind v4 Beta, Aceternity UI & Background Job Scheduling in Next.js](https://aryn.tech/blog/codeweekly-7-tailwind-v4-beta-aceternity-ui-background-job-scheduling-in-nextjs): Hey, What's up, everyone? I hope you liked the last article about the CAP Theorem and its system design use. In this release, we'll talk about some of the latest brewing in the World Wide Web along with some actionable insights for utilizing backgrou...
- [System Design: CAP Theorem & Availability](https://aryn.tech/blog/system-design-cap-theorem): After learning about the significance of CDN and DNS in System Design in the last release, let's learn the role of Consistency and Availability in the world of System Design. Let's start with availability and consistency first, then we'll move to the...
- [#CodeWeekly #6: SVG on the fly with Satori, Understanding Radix, and UI Libraries, New Series for System Design](https://aryn.tech/blog/codeweekly-6-svg-with-satori-radix-ui): Hello everyone, I apologize for the delay in releasing last week's update. To better serve the readers, I've been working on improving the blog structure based on your feedback. Many of you suggested separating system design posts from the #CodeWeekl...
- [#CodeWeekly #5: Server Actions in Next.js, Open-source contributions!](https://aryn.tech/blog/codeweekly-5-system-design-dns-cdn-server-actions-in-nextjs-open-source-contributions): What's up everyone! I hope you guys doing well! So, in the last release we talked about System Design and it's working in the software development industry. So, it's pick up from where we left off in System Design and continue learning about Next.js ...
- [System Design: How DNS & CDN works behind the Internet?](https://aryn.tech/blog/system-design-how-dns-cdn-works-behind-the-internet): Starting with DNS
Imagine you're in a big city like Delhi and need to find your friend's house. You know their address, but wouldn't it be easier if you could just ask someone for directions? That's kind of what the Domain Name System (DNS) does for ...
- [#CodeWeekly #4: Partial Pre-rendering in Next.js, RESTful APIs in one-go!](https://aryn.tech/blog/code-weekly-4-introduction-to-system-design-deep-dive-into-restful-api-partial-pre-rendering-in-nextjs): Hey, what's sup everyone! Hope you guys enjoyed the last release. As mentioned in the last one, I'm picking up from where I left off in the last blog about Strapi, and introducing the desi-jugaad section for learning System Design.
Partial Pre-render...
- [Introduction to System Design](https://aryn.tech/blog/introduction-to-system-design): System design is an interesting concept that is used everywhere including some of world's best applications, software and websites (even Hashnode 😂 has its own system design).
Anything from a website to a self-driving car, system design is everywher...
- [#CodeWeekly #3: My Thoughts on Strapi: The Headless CMS, Caching & Fonts in Next.js](https://aryn.tech/blog/codeweekly-3-unlocking-power-of-headless-cms-with-strapi-caching-fonts-in-nextjs): Hey, what's sup everyone! I hope you've liking the initiative I've started, apologies for skipping the last week, but here's the next release. Recently some people suggested me to focus on single topics and complete them in one blog post, so I'll try...
- [#CodeWeekly #2: Headless WordPress and why use it? Hoppscotch, Uptime Kuma, Third-party Scripts and Lazy Loading in Next.js](https://aryn.tech/blog/codeweekly-2-headless-wordpress-and-why-use-it-hoppscotch-uptime-kuma-third-party-scripts-and-lazy-loading-in-nextjs): Hey everyone, I hope you all liked the last write-up, maintaining the consistency of the habit, in this week, we'll talk about Headless WordPress, Hoppscotch, Uptime Kuma, and using Dynamic Imports & Third-party scripts in Next.JS.
Headless WordPress...
- [#CodeWeekly #1 - Browser Storage, Husky, Prettier, Railway.app, Listmonk](https://aryn.tech/blog/learn-something-new-1-browser-storage-husky-prettier-railwayapp-listmonk): Hi everyone! I'm starting a weekly write-up for accumulating everything that I'm learning in the week. In first week, we'll talk about Browser Storage and it's implementation in Next.js, Husky (pre-commit build test automation) and Railway.app.
So, l...
- [CRA is Dead? ReactJS Frameworks You Should Use Instead!](https://aryn.tech/blog/cra-is-dead-reactjs-frameworks-you-should-use-instead): React has officially removed the "create-react-app" from its new documentation, react.dev, you know what? It's not dead yet. Yes! You read it right, you can still use "create-react-app" command to start building your application using the vanilla Rea...