Why does deployment break things?Locally, your app talks directly to the browser and to services like Gmail. On a host like Render, your app sits behind a proxy/load balancer and r

Frontend Engineer

Why “trust proxy” matters when you’re behind a load balancer, and why sending emails from a server is different from sending from your laptop.

Deploying My Project Taught Me 2 Things I Didn’t Know (Trust Proxy & Email)

Why I startedI created a free AWS account and received credits (starter credits, plus extra credits after doing some AWS activities—often time-limited, e.g. a few months). That gav

What I Learned Deploying Judge0 on EC2

From AWS Credits to Running Code in the Cloud

What Exactly Is Judge0?Open-source service (you can self-host).Provides REST API for:run codecompile coderun with stdinreturn stdout/stderr/time/memory/statusSupports many language

Judge0 is a code execution engine for coding platforms (like LeetCode).
You send code + language + input -> Judge0 compiles/runs it safely -> returns output, errors, time, memory, exit staus.

How Coding Websites Run Your Code Safely: The Judge0 Story

Computers only store numbers (bits → bytes). There is no built‑in “A” or “😀”; we need a rule that says: “this number = this character.” That rule is an encoding. UTF-8 is one such

Bytes, characters, and the encoding behind most of the web

What is UTF-8 encoding?

leetcode

github

Read the articles written by Aditya Dhanraj on Peerlist

Articles written by Aditya Dhanraj • Peerlist

JavaScript

ReactJS

NodeJS

HTML / CSS / JavaScript

Java

ExpressJS

Frontend Developer

GitHub

C (Programming Language)