Break and continue statements are used to change the flow of program. lets see the difference and usage of both. Break as the name implies it terminate the current loop and execute the next line of code. Continue do not terminate the loop rather then it skip the current iteration…
Category: Softwares
What is Access Modifiers ?
In object oriented programming(oops) to set the visibility of classes, variables and methods we are using access modifiers. So Access modifiers are used the encapsulation of class properties. There are three types of access modifiers in any language (Php, java or c etc. ) Private Protected Public 1. Private Access…
Softwares
Disable SSH or IP bounded on any ubuntu server?
Open SSH to everyone is a security risk. we can change these settings easily in 2 minutes. let’s have quick solution on this. Open file /etc/hosts.deny with using vi or nano editor. Command : sudo vi /etc/hosts.deny then add below line to the file. sshd,sshdfwd-X11 : ALL it will look…
Softwares
How to disable automatic change detection strategy in angular component?
In angular all components by default take the changes as any event occur, but sometime we disable automatic change detection strategy in angular. Thus, to detach the two way binding in component we can use changeDetection strategy in component metadata. Angular Change Detection Strategy is simple to implement using the…
Softwares
How to upload multiple files in angular 12 reactive form
How to upload multiple files in angular 12 reactive form Uploading multiple files with progress in angular is too easy, you can implement it in your website using the below guideline. i will suggest to read my last post Angular file upload with post form data and php $_FILES to…
Softwares
What is a traits in PHP and how to use it ?
Before PHP 5.4, there was no way to implement multiple inheritance in PHP then PHP 5.4 introduce traits as a substitute of multiple inheritance in PHP. By using the traits PHP solve the problem of Multiple Inheritance. A class only extend one class what if we wanted to use multiple…
Angular
How to upload files with form data in angular 12?
in this tutorial we will learn to upload files with form data in angular. it’s not easy to upload the files along with form data in angular in compare to JQuery and other JavaScript framework. Angular upload a form in JSON and some time it get difficult to obtain the…
Php
What is static keyword and properties in a php/java class?
Static keyword are isolated, which means we can access the property of a class without creating a object/instance of class. static methods that are common to all the objects of the class. Hence, any logic which can be shared among multiple instances of a class should be inside the static…
Javascript
What is arrow functions in JavaScript / ES6?
arrow functions in JavaScript are introduced in ES6, before es6 we used normal function which needs to write more code to achieve the functionality. let take an example of arrow functions and es5 normal functions are follow: Normal functions of es5 Arrow functions of es6 uhmm! its looking like so…