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Articles on Trending Technologies
Technical articles with clear explanations and examples
Difference Between Array-Based Queue and List-Based Queue
Introduction A queue is a linear data structure that inserts and removes queue elements in a particular order. We can implement a queue in C++ by using arrays and a linked list. Both queue implementations have their benefits and uses. In this tutorial, we will differentiate the array-based Queues and List Based Queues. What is a Queue? A Queue is a series of elements that uses the FIFO principle for the insertion and deletion of its elements. A queue in Computer Science resembles the queue of real life where the one who enters first in the queue, will be removed ...
Read MoreGolang program to join two linked list
In Go, a linked list is a linear data structure that contains a node which further contains two fields one is data and the other one is next. The next contains the address of the next node in continuation. We will execute this program with the help of two methods. In the first method linked list will be used a series of nodes and in the second example different variables are used to execute the program. Method 1 − Using linked list as series of nodes A linked list is described by this program as a collection of Nodes, each ...
Read MoreHow to apply custom color to glyphicon icon embed within a link styled with Bootstrap?
We can use glyphicons in a bootstrap project by simply giving a glyphicon-specific class to a “span” tag in HTML. Glyphicons are basically font icons that can be used anywhere in your web application, for example, in buttons, forms, inputs, texts, etc. They are provided by Bootstrap and usually consist of symbols, fonts, or graphic icons. Syntax Here, the “glyphicon” class is a Bootstrap class that allows us to use glyphicon icons in the web application, and “icon_name” refers to the particular glyphicon icon that we want to embed and use in the application. Approach 1: Using CSS ...
Read MoreHow to use directives in angular 8?
Directives in Angular 8, are classes that can add new behavior to the elements in the template. Directives are used to manipulate the DOM. We can change the behavior and appearance of the DOM elements using directives. Simply we can use the HTML using directives. Using directives, we can achieve reusability, readability and maintainability. Directives will give the high-level of reusability throughout the application. This will help in large application like same functionality required by many places. There are 3 types of directives − Component directives Attribute directives Structural directives We can also create custom directives based on ...
Read MoreHow to use an Anagular 8 Service?
In Angular, services are singleton objects which normally get instantiated only once for the entire angular application. Every service contains several methods and that includes some functionality to do. It is a mechanism to share functionality or responsibility within one or more than components. We know, using angular we can create nested-based components. Once our applications are nested, we may need to use the same functionality. Instead of writing same code in multiple components. We can write one place and we can share data with different components. The best way to use service to handle this. In first versions of ...
Read MoreHow to inject a service into the component in Angular 8?
In Angular, services are singleton objects which normally get instantiated only once for the entire angular application. Every service contains several methods and that includes some functionality to do. It is a mechanism to share functionality or responsibility within one or more than components. We know, using Angular we can create nested-based component. Once our applications are nested, we may need to use the same functionality. Instead of writing same code in multiple components. We can write one place and we can share data with different components. The best way to use service to handle this. In first versions of ...
Read MoreDifference between constructor and ngOnInit in Angular 8
We can create robust applications using a number of life cycle functions using Angular. As it is the response of the event, the constructor and ngOnInit play important roles in developing applications. May this constructor and ngOnInit terms often confuse us. Constructor and ngOnInit will be available from the life cycle hooks of a component. This will provide extensive benefits to us in developing applications. Let’s check the differences below. Before that, let’s discuss the constructor and ngOnInit in detail. What is the Constructor in Angular 8? Constructor is a default method for a class and is called whenever we ...
Read MoreHow to Create a Bootstrap Spinner and Display on Screen till the data from the API loads ?
Using Bootstrap, we will create a Bootstrap spinner and display it on the screen until data from an API is loaded. This will give customers visual indications that something is going on in the background and can be an excellent method to improve the user experience. In this blog, we will be utilizing Bootstrap, a famous front-end programming framework. Follow the below steps to create a Bootstrap spinner and display on screen till the data from the API loads - Step 1: Include the Bootstrap CSS and JavaScript Files We will begin with our first step by importing JavaScript ...
Read MoreHow to copy the content of a div into another div using jQuery?
We can use jQuery html() method to copy the content of a div into another div. In jQuery, many other methods, such as clone(), append() & appendTo(), etc., can be used to copy the content. jQuery is a JavaScript library designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. In this tutorial, we will use different methods in jQuery to copy the content of one div into another div. Using the html() Method Using the jQuery html() function is the simplest approach to copy the content of a div into ...
Read MoreHow to add event listeners in HTML using AngularJS?
In AngularJS, events help us to perform particular tasks, based on the action. AngularJS is rich in events and has a simple model for adding event listeners to the HTML. AngularJS supports many events related to the mouse and keyboard. All these events are applied to the HTML elements. In angularJs, we have many HTML events. Suppose we write both AngularJS and HTML events simultaneously. AngularJS event and HTML event will be executed and AngularJS event will not overwrite the HTML event. Events can be represented by using directives. Like ng-click, ng-change, ng-mousedown, ng-mouseup, ng-keydown, ng-keyup, ng-keypress, ng-mouseover, ng-paste etc. ...
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