TypeScript is a popular programming language that is a superset of JavaScript. One of the key features of TypeScript is generics. In simple terms, generics are a way of writing code that is flexible enough to work with different types of data. …

Time for a new method to jump in for promises — The Promise.allSettled() method returns a promise that resolves after all of the given promises have either resolved or rejected, with an array of objects that each describe the outcome of each promise. Right now Promise.all is in the proposal state. It is in stage 4 presets. Personally I felt this…

A guide to setting up your development environment. — Iterm It is a terminal emulator which has personally helped me a lot. It’s major feature that I like is the split window screen option. Just press cmd+d and it will split the window vertically OR press cmd+d+shift and it will split the window horizontally.

Javascript tries to do the best possible thing that it can rather than just throwing errors everywhere People often say JS is confusing because it can evaluate nearly anything and the evaluation might not make sense. Below are few of the things that confuse people majorly. Define constructors with an arrow function let f = function()…

From time to time, we may come across a scenario where we want to construct complex objects which involve computing multiple sequential operations. In such a scenario, a builder pattern can be used. A builder pattern is a design pattern that lets us extract the object construction out of its…

Firstly create your account on Heroku . Create a new application from the dashboard. Install heroku client through this https://devcenter.heroku.com/articles/heroku-cli Then login via the terminal heroku login Run this heroku git:remote -a 'projectName' in your project directory. To deploy , git add . git commit -m “message” and then push your code to heroku server git push heroku master The code is deployed automatically and the server is started on https://projectName.herokuapp.com

Expo provides you the fastest way to build an app. With Expo tools, services, and React, you can build, deploy, and quickly iterate on native Android, iOS, and web apps from the same JavaScript codebase. Here are the steps to create an apk Make sure you have an expo module installed. To install exp, run npm install exp --global 3. You must have an app.json file 4. Contents of app.json file { "expo": { "name": "your app name", "description": "your app desc", ...., "ios": { "supportsTablet": true }, "android": { "package": "com.yourcompany.yourappname" } } }