Recently, I was developing a backend API server in Django and frontend in React.js. Instead of having different Git repos for both… — Recently, I was developing a backend API server in Django and frontend in React.js. Instead of having different Git repos for both application, I went for a Monorepo. The FE app was in a subdirectory within the repo. One advantage of having a single repo is that it allows one…

This is continuation of series of posts on how to use Marshmallow package in REST API development. — This is continuation of series of posts on how to use Marshmallow package in REST API development. In this post we will look at how to use JSON database field to store user’s profile data. Earlier, our DB model had two fields (“first_name” and “last_name”) that is part of user’s…

In part 1, we looked at how to store new data in DB using Marshmallow. In today's post, we will be looking into how to update existing… — In part 1, we looked at how to store new data in DB using Marshmallow. In today's post, we will be looking into how to update existing data. This will be done in PUT or PATCH REST API calls. Here is the controller code: Line 7: We retrieved the…

This is part 2 of the sequence of posts on usage of Marshmallow package for REST APIs. Part 1 is available here. — This is part 2 of the sequence of posts on usage of Marshmallow package for REST APIs. Part 1 is available here. Normally we would want the API to be consumed in a Javascript. The convention is to use camelCase. On the other hand, Python prefers snake_case. …

I have been using Marshmallow package in my current project and have come to like this library a lot. It is easy to use, yet flexible to… — I have been using Marshmallow package in my current project and have come to like this library a lot. It is easy to use, yet flexible to handle the different cases that come in the real-world scenarios. …

I had developed a number of React based apps (mostly React-Native) a few years ago. At that time I have a set of packages that I normally… — I had developed a number of React based apps (mostly React-Native) a few years ago. At that time I have a set of packages that I normally used. Recently, I was developing React.js based web app and found out that a lot of packages have changed. I have to find…

Recently I have been working on Django app and wanted to use PostgreSQL database instead of the default option, SQLite. — Recently I have been working on Django app and wanted to use PostgreSQL database instead of the default option, SQLite. The Problem Most of the tutorials online use SQLite DB, as it is easy to use. If the SQLite DB does not exist, it is automatically created. That in not the case…

A delegation pattern is a way to extend the functionality of a class without using inheritance. Instead, it uses composition. — A delegation pattern is a way to extend the functionality of a class without using inheritance. Instead, it uses composition. There are two classes that are loosely connected to each other. One is called the “sender” and other is called the “receiver”. The sender delegates some of the responsibilities of…

I was working on a react-native project and wanted to detect changes when the silent switch is flipped on or off. As usual, I searched and… — I was working on a react-native project and wanted to detect changes when the silent switch is flipped on or off. As usual, I searched and found a nifty package react-native-silent-switch that did the job. I added that in my project as mentioned in its documentation and hit a snag…