In a simple term we can say dependency injection in angular are created once at the time of initialisation of service or component then throughout the application we can reuse same object without re-initialisation. So, this is clear now advantage of dependency injection is to not creating the object in…
Month: June 2021
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…