Things you should keep in mind while designing database schema for your application.

So let’s talk about designing a database schema, there are actually two major problems beginners mostly do while designing.

  1. The first and very common problem is not dividing the table into multiple table, instead using one common table to have lots of data. Which actually cause few problems since our table gonna have huge amount of data, that could actually make data read/write operations to pretty slow because MySql generally does linear search if data is not indexed. …


In this article, we’ll discuss few things you should keep in mind while using MySql for better performance.

Things to keep in mind while designing Schema:

MySql supports a variety of data types but you should always choose which suits your requirement better instead of just making VARCHAR or TEXT to every field xP

Whole Number: there are various types to store integer value and each has its own range of values that can be stored in int.

  • TINYINT: 8bit
  • SMALLINT: 16bit
  • MEDIUMINT: 24bit
  • INT: 32bit
  • BIGINT: 64bit

Each type can store values from -2^(n-1) to 2^(n-1) -1, so it is better to choose wisely because every type…


In this article, I’ll try to explain How Android JS is different from other frameworks like: Cordova, Phonegap and other hybrid app development frameworks.

Discussion

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What is Hybrid apps ?

Hybrid apps are just simple apps which are built using Web Technologies like : HTML/CSS, JavaScript

What is Android JS ?

Android JS is an open-source framework developed and maintained on GitHub. Android JS allows for the development of Android applications using front and back-end components originally developed for web applications: Node.js runtime for the backend and Android Webview for the frontend.


Built android apps with JavaScript, HTML and CSS based on Node JS

Android JS

In this tutorial we’ll learn about how to build a simple story Android App with Node JS using Android JS

Discussion

Slack Channel for support and discussion

What is Android JS?

Android JS is an open-source framework developed and maintained on GitHub. Android JS allows for the development of Android applications using front and back-end components originally developed for web applications: Node.js runtime for the backend and Android Webview for the frontend. Android JS framework can be used to android apps with frontend technologies like JavaScript, HTML, and CSS.

Assumptions & Requirements

Android JS requirements: Install…

Harendra Chhekur

SDE I @ HackerRank

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