Explorer
Fond of IT

I like to explore things getting into detail.

71 Answers
How to install free SSL in website?
author
,
Fond of IT
Suppose you have already a website running on http protocol with apache  ubuntu server and you want to install a free SSL in your website then  follow the below steps a...
How to install SSL certificate on ubuntu 18.04 apache server?
author
,
Fond of IT
I assume you have setup your apache2 server and websites is running on http protocol.  Now you want to install SSL and get your website run on https only.  For this, y...
How to create a rest api in wordpress?
author
,
Fond of IT
Wordpress allow us to create a rest api that can be used in application like mobile android, iOS apps or any other javascript frameworks. There is action hook "rest_api_init" which is used to create...
What is data structure in programming languages?
author
,
Fond of IT
Data sctructure is how we store, organize and group the data so that it can be used efficiently.  There are many ways of storing data in programming languages like linked...
What is annotation in javascript?
author
,
Fond of IT
Annotation is about specifyng type of the something like variable.  We can understand it better referring below example:   var a = 10; var b = "Hello"; var c = True; ...
What is Prototypes in javascript?
author
,
Fond of IT
Let us understand the requirement of using prototype first.  Suppose you have a person class and there are two properties inside it.  You have created multiple objects and...
How to remove duplicate items from array in javascript?
author
,
Fond of IT
You can remove duplicate items from array in javascript using below methods: 1-  Using filter function: var items = ["1", "2", "3", "1", "2", "4"]; var newArray = items.filter(function(item, ind...
Argument vs Parameter?
author
,
Fond of IT
It seems same but there is difference between parameter and argument.  Parameter is variable in the declaration of function. Argument is the actual value of this variable that gets passed to functi...
What is the difference between "==" and "is" in python?
author
,
Fond of IT
In python == checks equality of the value but "is" checks memory. You can refer to below example to understand it better: a = [1,2,3] b = [1,2,3] a == b returns true because all values are same in...
Could not find module "@angular-devkit/build-angular" in angular?
author
,
Fond of IT
If you face above issue while executing the ng serve  command, you can install the package as dev dependency. This is introduced in latest version of Angular 6.0.  npm install --save-dev @angular...