CPU intensive tasks block UI, like indexing. Because, in React Native, JavaScript is executed on JavaScriptCore which means that you have only 1 thread. So you have to use a native module like react-native-workers which provides similar API as web workers. But it’s… Read More »A Simple Way To Run JS in Background Thread on React Native
This tutorial will show you how to integrate Drawer Navigation in React Native properly. In terms of some of the packages I use. One of those is React-Navigation. React Navigation 5 seems to be in full swing, so I thought… Read More »How to create a Drawer Navigator in React Native using React Navigation 5
Authentication using stateful user sessions and session_ids stored in the cookie has been a strategy that has worked for decades. But with the rise of service oriented architectures and web services, there has been a push to design applications with the principle of statelessness in… Read More »Sessionless Authentication using JWTs (with Node + Express + Passport JS)
One of the most common operations that programmers use on strings is to check whether a string contains some other string. If you are coming to Python from Java, for instance, you might have used the contains method to check if… Read More »How to Check if a Python String Contains Another String?
Here I am showing you how to deploy your Flask app on a machine running Ubuntu Server 18.04… I am assuming that you have Python 3 and pip installed on your machine and npm installed on your remote server. First… Read More »Deploying Python Flask App With PM2 on Ubuntu Server 18.04
Notes: This guide assumes you know React Native and Redux. 1. What Is Redux-Persist? Say you’re using your app and at some point, you decide to clear out all of your apps because you have too many open. You then click on your… Read More »React Native + Redux: Why You Should Be Using Redux-Persist To Save Your Redux Store From Disappearing
I’ve worked for a year on optimization of one of the largest mobile apps performance. Here are some things I wish I knew before starting. 0. Find Your Monsters A common mistake of optimization is focusing on everything all at… Read More »Optimization of a React Native App
Recently React introduced Hooks, and I was not at all in favour of functional components. I was so used to the class component that this change was not one I was looking forward too. Also, the latest version update was… Read More »React Native Hooks: To-Do App with CRUD Operations and AsyncStorage
These step by step instructions will serve you how to easily transfer everything you need from MAMP to Laravel Valet. Install Composer wget https://getcomposer.org/download/1.1.0/composer.phar && chmod +x composer.phar && sudo mv /usr/local/bin/composer && composer self-update Install Homebrew /usr/bin/ruby -e “$(curl… Read More »Move away from MAMP to Laravel Valet
To fix this issue when using the react-native-push-notification package with Expokit, you will need to go into your android/src/main/java/host/exp/exponent and open up the MainApplication.java file. The file needs to be edited and changed to avoid any errors with getting push… Read More »How to fix com.myapp.MainApplication cannot be cast to com.facebook.react.ReactApplication