Core to the simplicity heralded in Vuejs is its router component (Vue router). Apart from offering dynamic routing and allowing the user to pass in params during routing, the router is also capable of allowing one to do a total re-route to a different URL. Vue router redirect example This is similar to what vanilla […]
In React State of a component is an object that holds some information that may change over the lifetime of the component. We should always try to make our state in React as simple as possible and minimize the number of stateful components. Let’s create an user component with message state, State is similar to props, […]
Before you get started with this guide, you should have a fair knowledge of JavaScript fundamentals. At its base, JavaScript is a synchronous programming language. This means it is single-threaded; only one operation can be executed at a time.To truly understand why async/await is important, we have to take a deep dive into JavaScript’s core […]
In this article you learn 5 ways to copy an Array in JavaScript, A bulk of the beauty of JavaScript has to lie in its ability to let us do one thing in several ways, using several means. It’s a typical exemplification of the saying;‘There’s more than one way to skin a cat ’. Arrays […]
Flexbox makes it easier to design a flexible responsive layout structure without using float or positioning. Contents Introduction Horizontal Centering Vertical Centering Horizontal and Vertical Centering using Flexbox Conclusion Introduction I just want to talk about how we would currently layout a page using CSS before flexbox in a browser. We typically use different positional […]
The box-sizing property CSS defines how the width and height of an element are calculated, that is, should they include padding and borders, or not. Contents Introduction Box-sizing values Without the CSS box-sizing Property With the CSS box-sizing property Box-sizing reset Methods Conclusion Introduction The box-sizing property can make building CSS layouts easier and a […]
JavaScript has functions that help us manipulate arrays. Contents Remove the First Element From Array Remove the Last Element From Array Consider the following array. Remove the First Element From Array shift() removes the first element of an array and returns the removed element. Output Remove the Last Element From Array pop() removes the last […]
In this article, we will see the difference between Inline vs. inline-block The display property defines how the components are going to be placed on the web page. Contents Syntax Inline-block Example Inline Example Conclusion Syntax Inline-block Allows setting a width and height on the element. The top and bottom margins/paddings are respected. Does not add a […]
SQL Trigger Special procedures are activated when an insertion, update or deletion occurs in a table or view. SQL Trigger differs from stored procedures in that they are not called directly by the user: when a certain event occurs in the table, they are executed. Benefits: Maintain data integrity: update associated tables. Creates system logs: […]
Since JSON is a ubiquitous data format for sharing and storing data, a PHP backend must allow JSON data processing. In this tutorial, we’ll learn about the JSON format and convert PHP Object to JSON. Contents Definitions Array Object Json json_encode Function json_decode Function PHP Array to JSON JSON To PHP Array PHP Object to […]
In database management, an aggregate function or aggregation function, according to Wikipedia, is a function where the values of multiple rows are grouped to form a single summary value. There are different aggregate functions, such as SUM, COUNT, MAX, MIN, AVG, etc. In this tutorial, we’ll cover the most used aggregate function in detail. Contents […]
Sometimes we may need to convert a variable of type String to Integer and from Integer to String. Python provides a built-in method to do this exercise. The methods are int() to convert String to Integer and str() to convert Integer to String. int() methond to convert String to Integer str() method to convert Integer […]
In today’s tutorial, we’ll learn how to use the MySQL INSERT INTO SELECT query to insert data into a table where data comes from the result of SELECT query. Contents Before we kick off INSERT Statement SELECT Statement INSERT INTO SELECT Statement Conclusion Before we kick off Before we start we need to make sure […]
In this tutorial, you’ll learn four methods to remove the last character from a string in PHP. You can use any one of the following methods as per the requirements. I’m assuming that you have basic knowledge of PHP language and have it running on your computer. Contents substr_replace substr rtrim mb_substr Conclusion substr_replace function The […]
In this tutorial we’ll learn how to add one or more elements onto the end of array. Contents Requirements Definition Syntax Description Usage Conclusion Requirements PHP running on your computer Basic knowledge of PHP Text Editor Definition array_push() is a PHP function that is used to add one or more elements onto the end of an […]
