When working with React, in this case React Native, there are times when you might need a...
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The rest parameter is an ES6 syntax that is used to represent an indefinite number of elements...
The AsyncStorage presents a simple and elegant way for React Native developers to store and retrieve data....
The AsyncStorage lets you store some reasonable amount of data on users’ device. Let’s see how we...
According to the React Native docs, AsyncStorage is an unencrypted, asynchronous, persistent key-value storage system that is...
Java provides the StringBuffer and String classes. The String class is used to manipulate character strings that...
The XMLHttpRequest is a Javascript object that is used to interact with web servers. The XMLHttpRequest() is...
If you are writing a web application, there is every possibility that at some point you will...
A switch statement gives an expression a value to evaluate and several different statements to execute based...
Web browsers generally have consoles, which are interactive command lines where you can print text and test...
Pure Functions A pure function in Javascript is one that given the same input will always return...
In a return statement in Java, we evaluate expressions, and as part of this evaluation, other methods...
Modifiers are keywords that are added to variables, methods and classes to change their meaning. There are...
A loop statement allows the programmer to execute a statement or group of statements multiple number of...
Given the amount of security breaches that go on everyday, there is hardly any security-conscious developer (or...
Arrays refer to a sequential collection of elements of the same type. It is used to store...
Throw Throw is a keyword that is used in Java to declare an exception which is similar...
Unlike logical operators which connect two or more expressions, relational operators test and establish some type of...
Template literals allow for embedded expressions and help to solve the complex concatenation problem. They are enclosed...
“Programs must be written for people to read, and only incidentally for machines to execute.” — Harold...
Network scanning is the process of identifying, analysing and fixing loopholes and vulnerabilities in a network to...
The box shadow property in CSS is used to cast shadow on the frame of elements. It...
A function is a group of reusable code that can be called anywhere in your program. Functions...
React Native is an open-source mobile application framework created and developed by Facebook, Inc. It is used...
Inheritance in programming is the process whereby one class (also called a sub-class) acquires the properties (methods,...
An exception is a problem that arises during the execution of a program. When an exception occurs,...
Arithmetic operators are used in mathematical expressions much the same way they are used in algebra. Here’s...
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Arrow functions, also called “fat arrows” were introduced with ES6 as a new syntax for writing Javascript...
The Array filter method is used to check against a given condition.
A recursive function is one which defines a problem in terms of itself. A recursive function calls...
Object oriented programming is a way of writing code such that different objects (instances) are created from...
Humans can use technologies in either harmful or helpful ways. And while, as a software developer, you...
Also known as ECMAScript 6, ECMAScript 2015 or Javascript 6, ES6 is a version of Javascript that...
A recursive function is one which defines a problem in terms of itself. A recursive function calls...
Var Declaration Before the introduction of ES6 in 2015, var was the go-to way to declare variables...
