Sandeep's blog

I run hashnode.com which surfaces the best developer stories and discussions from around the world. This is my personal blog (powered by Hashnode) where I share what I build.

TIL: "Double Underscores" have a name - Dunder 😂

October 2, 2019

How many times have you encountered names like __init__, __test__, __doTask___ and so on? These are called Dunders or Double Underscores and are commonly used for operator overloading. More details here: https://www.geeksforgeeks.org/dunder-magic-me...

I was interviewed by Michaela for her new podcast Software Engineering Unlocked🎙

September 25, 2019

Michaela Greiler recently started a podcast called Software Engineering Unlocked which gives you a sneak peek into how software companies around the world develop software. There are already two interesting episodes featuring software engineers like ...

The low effort way of sending messages to a discord channel from Node.js

We recently opened up a Discord Server for Hashnode users (yay! finally 🎉). Yesterday I had some time to set up a channel for incoming dev stories from Hashnode's Devblog network. Initially this sounded simple, but I faced some hiccups! Firstly, I ...

How I built a CDN for our multi-tenant app within a day

Ok - before I begin let me give you some context. The multi-tenant app (or SaaS product) in question is Hashnode.dev. It's a new blogging platform that lets developers run a personal blog for free without worrying about ads or paywalls. We launched t...

Offering speed as a feature: Why Hashnode powered blogs are blazing fast ⚡️

I recently revisited a post by Jeff Atwood which says that performance is a feature. According to him, slow websites offer a degraded user experience which ultimately affects the conversion. Conversely, Users, especially developers, love to use webs...

How we generate and renew SSL certs for arbitrary custom domains using LetsEncrypt!

Last month we decided to do something interesting and allow Hashnode users to publish articles under a free hashnode.dev subdomain or any custom domain of their choice. It required a bit of work on our part, but the most challenging task was enabli...