Overview of memory based collaborative filtering techniques and implementation of a movie recommender — In the last post Building a movie content based recommender using tf-idf I explained how to build a simple movie recommender based on the genres. In this post, we’ll be implementing a Memory-based collaborative filtering model, and go through the main differences both conceptually and in implementation between user and…

Note: There’s an equivalent article for Angular in Medium and GitHub. Here’s how to deploy a React app with Docker, building it with Node.js as you would do locally, but end up with a thin and efficient Nginx image, with just the compiled code. Ready for production. To achieve that…

Flask is a framework which many people learn as their first web framework as it is simple, lightweight and easy to learn. AWS is one of the most popular cloud services available today, providing amazing solutions for many different problems which businesses face. In this tutorial, I will give a…

In this article, we will see how to create a Canvas React component and a custom hook for extracting its logic, so we can just draw inside it like we usually draw in a regular canvas html element. This article is based on Corey’s article “Animating a Canvas with React…

The digital age provides easy access to bountiful amounts of open sourced data and a wealth of information like never before. This is a potential gold mine for Data Teams to emerge and convert raw data into insights, which adds significant value for an organization. Unfortunately, the vast majority of…

and I am so, so sorry. — Growing up in the nineties and the noughties, I loved Pokemon. Pokemon Red was my first and favourite game, and I easily spent hundreds of hours playing it as a kid despite being too dumb to actually beat it. When I wasn’t trying to catch ’em all, I would make…

I have been using Cloudinary to host images on my personal website for about a year. Upload image, resize, crop, etc., then grab the URL to put in my anchor tag. Its pretty easy, but fairly manual. Also, the process involves no Python. Where’s the fun in that? …

What Problems does a PaaS solution like Beanstalk solve? Organizations consider a PaaS(Platform as a Service) solution to be a reliable tool for resolving their issues because of the speed at which it allows developers to create, test and deploy apps. …

Build a data science app in minutes, and deploy it to the web in one click. — Disclaimer: I’m not affiliated with Anvil, I just love their product. As more data scientists enter organizations around the world, most will find a very different work environment than what they may have dreamed about at Netflix, Facebook, or Google. At these companies, data scientists are supported by data engineers…

I bought a domain name a few days ago for my Heroku Application. The purchase process is seamless and easy. However, the configuration part was a bit challenging. After several trials and mistakes, I finally managed to configure the domain name for my Heroku Application. …

Many people asked me how to make a dynamic map with python. I have chosen the corona dataset of Bangladesh for this purpose. I will try to do it in short. I am going to use four python libraries 1. Pandas is a fast, powerful, flexible, and easy to use…

You just need some lines of code to make extra money — So you want to make money with the knowledge of web scraping you have, you create a bot that successfully gets the valuable data you wished for, but you can’t find anyone to sell either the data you obtained or the bot you created. I’ve been there before and it…

React in-depth — Introduction I recently wrote an article about Context vs. State vs. Redux. The goal was to try and give developers some pros and cons around each choice and hopefully help you make a better choice about the tool you plan to use. After I released it, I had a couple of…

Fetch is a JavaScript function that allows us to fetch things to and from our database. This operation of sending and retrieving objects can take a significant amount of time, so it happens asynchronously. That is, the interpreter makes the http request and continues on to execute the rest of…

There are many ways to build and deploy a simple, scalable website. This tutorial outlines one method and hopefully saves you time not having to go through all the same pitfalls I did. The overall architecture is: Frontend: Javascript React App with Create React App deployed on S3 and Cloudfront …

I don’t know about you, but setting up domain configurations is one of the least fun parts about building and launching a site for me. Setting up GoDaddy and Heroku was a particularly frustrating experience and I thought I’d try and help you avoid the same pitfalls. As it turns…