I write to think more clearly. These are my notes on things I'm building and learning.
Recently, I ran into a problem while using setInterval in React. The function you pass to setInterval is defined once and it closes over the old value of your component state. This becomes a problem when you want to use the state to determine whether to clear the setInterval. Read on to find out the solution that worked for me.
Ever wondered what makes React so fast? When it was introduced, the killer feature of React was it's concept of "Virtual DOM", however it brought on it's own set of challenges, including how to efficiently update the DOM to be same as React's virtual DOM. Read on to find out how React solves this problem!
One of the most frequently used git commands is git diff. How does it work internally? The brute-force way to compare all possible subsequences of strings has exponential time complexity. There has to be something more efficient, right?
GradGoggles is a cross-platform Virtual Yearbook and Scribble Book App developed for the Class of 2020, which missed all the fun due to the pandemic this year. This post describes the process that went behind developing the app, the technologies used, challenges we faced, and so on.
Recently, I have been working on a ReactJS project which uses AWS services heavily, so, I chose S3 and CloudFront for hosting. However, manually building and deploying the React WebApp every time was a headache. Read on to find out how I automated the build and deploy process,
I wanted to implement a contact form on my website, which is developed using Gatsby. However, Gatsby sites are a static sites with no "backend". In this post, we will use Netlify's Lamba Functions with the SendGrid API to implement a Contact Form on static sites.
Creating your own personal website/blog? Search Engine Optimisation is a factor which you cannot ignore. Find out 10 easy and practical things you can do to optimize your website to make sure it appears in relevant search results.
I recently redesigned this website using Gatsby. Gatsby is a static site generator based on ReactJS which you can use to make blazing fast websites like this one. Read on to find out more.
A discussion about the asynchronous parts of JavaScript. Is JavaScript really asynchronous? How can it be asynchronous if the browser engine has only one thread? Well, read on to find out!
Many times, you need the ability to allow users to upload files, mainly images, to your WebApp. Most efficient way to do that is to use Amazon S3. This post explores two popular ways to use S3 storage service in Flask.
Digital Garden is a relatively new term which describes a different standpoint on what a blog is. Instead of posting finished and polished pieces, Digital Garden is about focusing more on the process behind it, a relaxed, more "human" endeavour.
Concurrency, Parallelism and Asynchrony are basic terms that are often confused with each other. This is a short post explaining the meaning behind the terms and how they differ from each other.
A review of a Beginner-friendly Machine Learning Course by Udacity. What the course includes, and whether you should go for it or not. Code Files for the course included.
WeTalk is a basic social media clone developed with Flask and PostgreSQL, and deployed on Heroku. This post is a discussion on the technologies used in this project with a focus on the database design.
This post explores what web servers are and how you can develop one by yourself. The best way to learn about a software system is to develop it from scratch, which is exactly what we will be doing in this post. Dive in to know more about web servers and how you can create a basic one yourself!
What lies underneath all those nice abstractions and simplicities that a web framework like Flask provides? What actually happens under the hood? This post is an attempt to understand how a webserver works.
Experiencing problems of incorrect date in your webapp even though everything works on your localhost? The problem might be that your Heroku dyno is using a different timezone than you want it to.
Want to show off your WebApp to the world? Deploy it on the internet! This post is a discussion on deploying a Flask WebApp on the internet using Heroku. Find out what Heroku is and how you can use it to deploy your Flask WebApp for free!