Posts

Aug 9, 2017
Why Squad: Second Innings
No, I don't think the world at large is interested in what I am doing with my life. But I needed to write this because this question will get asked often internally, and because DRY
Jul 27, 2017
Vikas Gulati - The Platform behind Squad's Platform
Just me fanboying about my mentor, with the sole purpose of getting more page views on my sad blog when he becomes famous.
Jul 8, 2017
Hack Django ORM to calculate Median and Percentiles (Or make annotations great again!)
Hack Django ORM to make RawSQL work for you
May 14, 2017
Blazingly fast querying on huge tables by avoiding joins
Tl;dr: Avoid joins on large tables and evaluate parts of queries beforehand to get 100–10,000x performance gains!
Apr 19, 2017
Estimated counts for faster Django Admin change_list
Short story of how we reduced the response time of some of our admin pages by 1000x.
Apr 27, 2016
AI and News Flashes: The Observer Pattern
What do you do when you are asked to create a notification system where the objects to be notified get added/removed at runtime? You stop giving a shit about them, and code for the interface.
Apr 26, 2016
Preventing Rubber Ducks from Flying: The Strategy Pattern
What do you do when the OO concepts you have abided by since your school days land you in trouble? You relearn them.
Apr 25, 2016
Design Patterns Quick Reference: Index
Increasingly complex design decisions are needed to be taken, and we are ill equipped. ketanbhatt takes one for the team and stacks knowledge on Design Patterns. This here is why and how I am doing it.
Apr 19, 2016
ElasticSearch, Django and Haystack
How we used ElasticSearch and Haystack to power searches on our Django Admin. Documented here are our trials and learnings with Haystack. And a cool new fork for you to use.
Apr 19, 2016
Building Habits, with a lot of help from Github
Me and Arpit hacking our habit retention problem using Electron and free time. And taking a lot of inspiration from Github!
Apr 22, 2015
Noobs, This is How We Test APIs

(Disclaimer: I am a noob myself) Should you follow Test Driven Development (TDD) when you are just a beginner? Well that’s exactly the right time to start, because it is always easier to learn than unlearn. I came across this choice while building a REST API backend for a project I am a part of. Here is my research.
Apr 20, 2015
Stream Files to Amazon S3

For any SaaS platform it is common to use a 3rd party hosting service for uploading files and serving them through a CDN. Amazon S3 is a common choice.
Apr 7, 2015
Git Your B'Day Caps Ready!

Introduction posts can wait, but a ten-year anniversary only comes once in a decade. And what better way to kick off your blog than to wish Git a very Happy Birthday? (No, don’t even try suggesting better ways!). But why? Because, for one thing, Git is what has made this website possible. I am very thankful to Linus Torvalds for creating something that has improved our lives as coders and maintainers.