VM CREATIONS

Identicons as profile picture in your Angular Website

Identicons are visual representations of hash value, usually ip address, that serves to identify a user of a computer system as a form of avatar.

We can use this in our application to create a basic unique profile picture for each identical user. This will help not only in creating unique picture for each user but also serves a best way to hide informations behind a picture.

In the following…

Uploading an image using Angular

Hi Everyone, From the day I started writing the code of How to upload files using Angularjs and spring mvc, many started asking me to write up for uploading in Angular ( Don’t call it as Angular 2, Angular 4 etc. Its just called Angular ). So I am writing this post of uploading an image using Angular. I am going through here like how to upload a blob object here. Lets start… Before going in…

Game – Guess The Number – Angular

Lets start playing an angular game. Demo This game is to guess the computer generated random number between 1 and 100. If you enter a number that is more than the actual number then you will get an alert stating “Your number is higher”. If it is lower than actual then you will get “Your number is lower”. Guess the word Demo Few Important Numbers to make learning Awesome You might wonder how to…

Angular 2 and Above – Getting Started

Many started asking me to create a project in angular 2 and above. I thought of creating a separate end to end with demo mainly focusing on angular 2 and above as it is a complete rewrite from the beginning. 2.angular.vishalsrini.com Here there are more detailed information related to a complete picture of angular. You can see this without even understanding what angular is, as it is a full…

A watcher monitors model changes and takes action in response. The $scope object has a function $watch() that’s used to register a watcher. Let’s modify our previous snippet. We want to give users the ability to add a book to their wish list. But once they add two books to their wish list we want to show a congratulatory message. So, we can keep a counter and, each time the user clicks on Add to…

#File Upload using #Angularjs and Spring-MVC #Restful service #restapi #mvc #spring #maven #angularjs #tutorial #learning

Hi everyone, For the past few days many started asking me like how to create a SPRING-MVC file upload using ANGULARJS. So I thought of creating a post for it where I create a working code that fetches a MULTIPART file from FRONTEND and get it processed in backend. To begin this you need to know basics of ANGULARJS and RESTFUL WEBSERVICES. The project is going to be created using MAVEN BUILD TOOL.…

#13 - Fetching Data with $http Using GET #http #xhrhttprequest #angularjs #tutorial #13

The traditional way of making a request to the server from AJAX applications (using XMLHttpRequests) involves getting a handle on the XMLHttpRequest object, making the request, reading the response, checking the error codes, and finally processing the server response. It goes something like this: var xmlhttp = new XMLHttpRequest(); xmlhttp.onreadystatechange = function() { if (xmlhttp.readystate…

Difference between Factory, Service and Providers

AngularJS provides a few different ways in which we can to create and register services (and constants and values), depending on our preference and style of programming. In the previous section, we used the factory function to define our services. You should use module.factory() to define your services if: You follow a functional style of programming You prefer to return functions and objects…

Building a custom AngularJS Service #angularjs #service #tutorial #demo

We saw how to use AngularJS services through the use of some built-in AngularJS services. We will be using the ones previously mentioned extensively throughout the blog going forward, so don’t worry that we didn’t get to see them all in action yet. The core AngularJS services only touch the tip of the iceberg in terms of the functionality we will need when we start creating our own AngularJS…

Dependency Injection and in-built services #angularjs #dependencyInjection #services #tutorial

Dependency Injection in AngularJS The entire service concept in AngularJS is heavily dependent on and driven by its Dependency Injection system. Any service known to AngularJS (internal or our own) can be simply injected into any other service, directive, or controller by stating it as a dependency. AngularJS will automatically figure out what the service is, what it further depends on, and…

ToDo List Application using AngularJS #angularjs #demo #todoList #beginners #tutorial

Here we go! A simple “ToDo List” application in Angularjs. This tutorial mainly concentrate for beginners in AngularJS. Here we go!! [codepen_embed height=”265″ theme_id=”0″ slug_hash=”YGWvVO” default_tab=”html,result” user=”vishal_srini”]See the Pen Demo todo Application by Vishal Srinivasan (@vishal_srini) on CodePen.[/codepen_embed] Here is a video tutorial for that. It has first demo alone…

AngularJS Services (Service VS Controllers) #angularjs #services #controllers #learning #tutorial #servicesVScontrollers

Until now, we have dealt with data-binding in AngularJS. We have seen how to take data from our controllers and get it into the UI, and ensure that whenever the user interacts with or types in any data, we get it back into our controllers. We used and worked with some common directives, and dealt with forms and error handling. In this blog, we dive into AngularJS services. By the end of the next…

Quiz App using AngularJS #quiz #angularjs #simple #example #vishalsrini.com #vmcreations

This tutorial is not an introduction to AngularJS but to demonstrate how quickly one can build a simple well-structured web application. This is targeted towards people who are already familiar with the basics of AngularJS. The app will have a very simple structure – a single page app, one question at a time on the screen with four options, a submit button and score. For simplicity, there is no…

Displaying Error messages and Styling Forms #angularjs #learning #stylingForms #tutorial #css #javascript #beginners

Displaying Error Messages What can we do with all these validators? We can of course check the validity of the form, and disable the Save or Update button accordingly. But we also want to tell the user what went wrong and how to fix it. AngularJS offers two things to solve this problem: A model that reflects what exactly is wrong in the form, which we can use to display nicer error messages CSS…

Percentages - Basic 1 #aptitude #percentages #basic

What is “PERCENTAGE“? A percentage is a way of expressing a number as a fraction of 100. It is often denoted using the percent sign %. For example, 56% = 56/100 Basic Concepts Percentage Increase = ((Final value – Initial value)/(Initial value))*100 Exercise 1: The cost of a laptop was Rs. 25000 last year and due to inflation it increased to Rs. 30000. Find the percentage increase? Answer:…

Introduction to Form Validation and States #angularjs #form #learning #technology

In the previous blog I asked you to create a simple form. I received more mails that gives me some pleasure to start this new form validation post (Review is in progress. Will publish the best one soon). Thus We have seen how to create forms, and enable (and leverage) data-binding to get our data in and out of the UI. Now let’s proceed to see how else AngularJS can benefit us when working with…

Apple iPhone 7 hit or flop?

After the release of the most awaited device of the year, apple was not able to grab the attentions of investors. As the days passed the stocks of apple has seen the downfall. This incident has really put us all into doubt will this be a great phone or the company will see another downfall? Just in case you missed out the launch even let’s see what apple has given to world: Apple claims that it…