In this post, we will understand Angular HttpClient with example. When Angular version 4.3 launched, It gave us a new way to handle Http requests using the HttpClient library. What is HttpClient in Angular? HttpClient in Angular is a replacement of old Http library. It gives us some advance powerful feature like Http Interceptors to monitor or modify API requests or responses and ability to listen for progress events. Prerequisite Make sure you have running Angular 4.3 version or above to test the Angular HttpClient API or You can install Angular latest version by following our Angular install ..read more

Introduction to MongoDB MongoDB is an open-source, NoSQL document database designed for development. This guide introduces the simple steps of how to install MongoDB on your server for application development. MongoDB Key Features High Performance – MongoDB supports embedded data models as well as indexes that help to faster queries. Rich Query Language – MongoDB provides rich query language support, eg – CRUD Operation, Search & Data Aggregation. Support for Multiple Storage Engines – MongoDB supports multiple storage engines, eg – WiredTiger Storage Engine, In-Memory Storage Engine, MMA ..read more

In this tutorial, we are going to learn how to create a dynamic tree view list with parent and child relations and expand collapse features. We will also see how to have checkboxes with each tree view list. What is Angular Tree View Angular Tree View List is a graphical user interface component that allows a user to show hierarchical data in a tree view structure.   The post Angular Tree View List with Checkboxes using Material appeared first on Techy Hunger ..read more

The post Angular Tree View List with Checkboxes using Material appeared first on Techy Hunger ..read more

In Angular material, there is a nice built-in feature called Badge. Badges are like small status descriptors for any UI components. It can be used in various places on the website like showing item count on the cart icon or showing notification count. There are many uses of badges, which makes the website look nice. In this tutorial, we will learn how to use Angular badge features on a website. Prerequisite Angular CLI Angular Material NodeJs Git Please make sure to install Angular Material to see the Badge functionality in action. Now let’s create a new project angular-material-badge using ..read more

In this article, we will know how to install Docker on Ubuntu 18.04 and 16.04. All the steps used below are tested and working without any problem. So, Let’s start with the definition of docker. What is Docker? Docker is a container-based software platform, which enables developers to easily wraps a whole application with all dependencies in a container and ship to any remote location. So, without doing the whole setup of an application the application runs smoothly. Prerequisite Before installing the Docker directly on the Ubuntu system, make sure there are no other versions. For this try to ..read more

In this tutorial, we are going to see step by step process on how to Install Angular Material in an Angular project. We will also learn how to add material themes, animations and different components in an Angular project. What is Angular Material So, What is Angular Material? Angular Material is a UI framework that is purely built for Angular. It has different UI web-based components that give you the flexibility to create pages for any devices like mobile, iPad desktop, etc. Using Angular Material is really easy in any Angular project. You will surely love it. So let’s start creating a new A ..read more

In this post, we are going to learn how to create a QR code in NodeJs. Qr code is a short form of Quick Response code and it can be read quickly by any mobile phone that contains a QR code scanner. Generating a QR code in NodeJs is super easy then what it looks like. There is a beautiful JavaScript library called node-QRcode available to create QR codes in NodeJs. We will see here what are the ways you can find to create or generate QR code in NodeJs. We will use npm to install the node-QRcode library in our project. Before we start we assume that you have NodeJs installed on your computer and ..read more

In this tutorial, we will know how to find the execution time in a Python program. So, first of all, let’s understand what is the execution time in python. What is an Execution Time When the code executes on the server then whatever time the server takes to execute the code is called execution time of the program. that’s it. Problem to Finding the Execution Time in Python Suppose, If you have two functions written in your application to fulfill the same problem. def function1(fname): print(fname + " Hunger") function1("Techy") // output: Techy Hunger // def function2(fname, lname ..read more

All examples given in this tutorial is tested and will be working fine with the Ionic 4 framework. In this tutorial, you will learn how to print in Ionic using Ionic printer native plugin. Printing document in Ionic Ionic is the perfect choice to create a hybrid application. It provides a quick way to build an app in no time. But, sometimes it is very difficult and awful to access mobile hardware like a camera, file storage, Bluetooth, etc. To create the functionality of printing documents or HTML rendered contents in ionic is easy if you know the plugins which are built for this. It can be im ..read more