Understanding Linux Processes: Signals and Why kill -9 is a last option.
Why muscle-memorizing kill -9 hurts production servers, and how Linux signals handle graceful shutdowns.
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How HashMap Works Internally in Java — Explained Simply
Introduction:- You use HashMap every day in Java. But have you ever wondered what actually happens when you write map.put("name", "Harsh")? Where does it go? How does Java find it so fast? Let's break
Getting Started with AWS S3 with Spring Boot as a Complete Beginner — A Developer's Guide.
Introduction When I first heard "AWS S3" I thought it was some complex cloud technology only senior developers touch. I was wrong. S3 is actually one of the simplest AWS services to understand and use
Understanding Linux Basics — Filesystem, Users, Root, and Important Directories.
Linux Basics
Fetch vs Axios : Which Should You Use for API Requests?
When building web applications, one of the most common task is making API calls. Two of the most popular method in javascript is by using Fetch API and Axios. What is Fetch API? The Fetch API is built in Javascript feature available in modern browser...
Essential JavaScript Array & Object Methods
Whether you’re working with React , Next.js or Node.js, there are a few JavaScript methods that become your everyday tools. These are essential for writing efficient , clean and readable code. In this blog , we will break down the most commonly used ...
Understanding Tokens.
Introduction. if you have ever logged into a website and stayed logged-in for a while without re-entering your password, you have likely used “Access Tokens” and “Refresh Tokens” without even realizing it. These tokens play a crucial role in authent...
Understanding HTTPS Requests
Question : What is an HTTPS Request? An HTTPS request is a request sent from a client (e.g., a web browser, mobile app, or another server) to a web server using the HTTPS (Hyper Text Transfer Protocol Secure) protocol. HTTPS is the secure version of ...
This and Arrow function in JavaScript.
"This" keyword -> Refers to current context. console.log(this) // O/P -> an empty object initially. const user = { user : "harsh" roll :28, welcomeMessage : function(){ console.log(`${this.user} ,welcome) } } user.w...