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Sachin Chaurasiya Blog

Passionate about knowledge sharing, I regularly share insights and expertise through my blogs to empower and educate others.

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Latest posts

Open Source is Not Just for Hacktoberfest

Every October, the developer community buzzes with Hacktoberfest energy. PRs fly, t-shirts are earned, and GitHub turns green. But here's what nobody talks about: what happens in November? For most contributors, the answer is simple: nothing. The rep...

The #1 Skill Most Developers Miss When Using AI Coding Agents

The debate over AI coding agents is missing the most important factor. It’s not about prompt engineering, it’s about understanding the context window. Developers are divided. One side claims coding agents suck. The other insists you’re just using the...

How to Build Production-Grade Agentic AI

Agentic AI is everywhere right now. Everyone is building agents, demos, and workflows, but very few of them are production-ready. I recently read a research paper on designing, developing, and deploying production-grade agentic AI workflows, and it s...

How to use canvas in Web Workers with OffscreenCanvas

Lately, I have been working on a feature to capture images from media streams and scale them down to reduce their size. This helps save storage and reduce costs before uploading the images to a storage service. For this, I used Canvas to render the i...

Why Strong Basics Matter in the AI Era

AI tools have changed how we build software. They can write code, fix bugs, and even help understand large codebases. But as AI gets better, one thing remains true: the better the input, the better the output. To give AI the right instructions, you n...

How web worker works with a practical example

Ever noticed a webpage freezing during a heavy task? This happens because JavaScript runs on a single thread by default, causing a bad user experience. Users can't interact and have to wait until the task finishes. This problem can be solved using we...

How to Build a Collaborative Editor with Next.js and Liveblocks

Collaborative applications are now essential in modern software, allowing multiple users to work on the same document, design, or codebase at the same time. Think of Google Docs, Figma, or multiplayer coding platforms these tools are powerful because...

How to Use Proxy Objects in JavaScript

Objects in JavaScript are useful data types that let us define complex data with simple key-value pairs, like a dictionary. Sometimes, you might want to change how JavaScript objects work by default. This is where Proxy Objects are helpful. In this a...

What is Retrieval-Augmented Generation (RAG)?

In recent years, AI models like GPT-4 have become super popular for generating text that sounds human-like. These models are called Large Language Models (LLMs), and they’re great for writing articles, answering questions, and even creating stories. ...

How to Use Broadcast Channel API in React

In today’s web applications, keeping information updated across multiple tabs or windows can greatly enhance the user experience. For instance, if a user logs out in one tab, you want that action to be reflected in all other tabs. The Broadcast Chann...

How the Page Visibility API Improves Web Performance and User Experience

Making web applications fast and user-friendly is very important today. One useful tool for this is the Page Visibility API. This API tells developers if a web page is visible to the user or hidden in the background. It helps manage resources better ...

5 Powerful TypeScript Tricks

Unlock the full potential of TypeScript with these five powerful tricks that will improve your coding skills. From securing your types with const assertions to mastering the keyof operator, these tips will help you write cleaner, more efficient code....

How TypeScript Type Predicates Enhance Code Safety

TypeScript's type predicates are a powerful feature that improves type safety and makes code more reliable. They help confirm what a variable really is, which helps developers avoid errors and makes the code clearer. In this article, we will discuss ...

HTTP Status Codes Explained: Essential Guide for Developers

HTTP status codes are important for web development. They give key information about server requests. Knowing these codes can help you debug better and improve your app's user experience. In this guide, we’ll look at the different types of HTTP statu...

Simple Guide to Using Intersection Observer API with ReactJS

The Intersection Observer API is a new web tool that helps developers check when an element in the DOM comes into or leaves the viewport. This is very useful for lazy loading images, infinite scrolling, and other important features that need to know ...

React Error Boundary: A Guide to Gracefully Handling Errors

React revolves around JavaScript, and as the application expands, certain components may become error-prone, leading to a blank page problem. To tackle this, we should incorporate Error Boundaries. These boundaries will display an alternative UI when...

Build and Send Emails Using React and TypeScript

Emails are widely used for communication, whether it's expressing thoughts, sharing product information, sending content to newsletter subscribers, sharing event details, and more. Crafting and sending emails isn't straightforward. You have to design...

Type Safety in TypeScript - Unknown vs Any

TypeScript is very popular because it adds static typing to JavaScript. This makes the code safer and better quality, which JavaScript developers like. In TypeScript, two types that are often used are unknown and any. They might look the same at firs...

Building a SQL Expert Bot: A Step-by-Step Guide with Vercel AI SDK and OpenAI API

OpenAI has brought the revolution in the AI field by creating the ChatGPT and now we can say the actual AI era has started and everyone from individuals to businesses using AI. OpenAI has even created an API to build custom AI solutions like chatbots...

Hashnode Blog GitHub Action - fetch and display the latest blogs in a nice format

As a developer, it is essential to have a GitHub account and profile to showcase your work and skills. You can include information such as your introduction, current projects, skills, contributions, and more. However, you can also leverage the power ...