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Today in Top Angular News – Tuesday, September 11

Today in Top Angular News – Tuesday, September 11

Today’s topics include angularjs, dataviz, javascript, angular6, pwa, ASPNET, WebAPI, webdev, webdeveloper, VisualStudio, aspnetmvc, Git, softwaredevelopment, Coding, GitHub, webdevelopment, reactjs, vuejs, Apps, ITNEXT, FunctionalProgramming, Rxjs, nodejs, and html5. Special thanks to contributors pallavipaddu2, Dr. Michael Garbade, uncle_dallas, @i_AnkurBiswas, Ankur Biswas, @maxim.koretskyi, Max NgWizard K, NG_Tutorial, @hendrikwallbaum, Hendrik Wallbaum, @Swiip_51904, Matthieu Lux (@Swiip), @mibzman, Sam Borick, @hamedbaatour, Hamed Baatour, GistiaLabs, Bhawana Rathore, and by Rehmaanali, rehmaanalis.


Highcharts Angular Wrapper – Highcharts

As a convenience to our customers, we wanted to ensure that using Highcharts in an Angular project was as easy as possible. We are therefore happy to present to you our official Highcharts Angular wrapper, which is free to use (please note that using Highcharts for commercial projects require a valid license). Let’s take a quick look at the wrapper along with the included demo app. Continue reading


Angular 6 – Introduction to Progressive Web Apps – The Info Grid

In this post, I will focus on Progressive Web Apps to further improve the performance and user experience. The main goal of Progressive Web Apps (PWAs) is to provide a reliable, fast and engaging experience to your users. This basically involves caching static resources of your web app on the browser or client device, while also utilizing a ServiceWorker to cache some requests based on predetermined rules. Continue reading


Why do people use AngularJS? – Quora

AngularJS is a relatively new JavaScript framework by Google, designed to make your front-end development as easy as possible. is an Angular repeater object, which instructs Angular to keep creating list elements as long as we have activities to display, and use this element as a template for how we want all of them to look. As mentioned previously, we're creating a function with the same name as the directive, so our page can find the corresponding Angular function to initialize and execute our code with the data we wish to grab. Continue reading


4 Common Bugs in Angular (and How to Fix Them) – DZone Web Dev

Angular developers often encounter bugs in their applications, which make them curse the framework and lament at some cryptic red lines on their consoles. For example, Mdixon, an experienced Angular developer from the U.S. who uses practical projects to teach developers how to avoid mistakes in their code, says that “following the best programming practices is the best way of preventing errors in Angular apps and the headache that comes with it.” Angular developers who do not adhere to proper naming practices often make error-prone and difficult-to-debug applications. Continue reading


Consuming ASP.NET Web API In Angular – Part Four

Click on File —& Open Folder or Press ( CTRL + K CTRL + O)

After clicking on SELECT FOLDER button your project will open in Visual Studio code like this,

As you know SRC folder is a source folder where we write our code to fetch data from Asp.Net Web API. Right click on SRC folder and select NEW FOLDER,

Switch to command window again to create a model (class) file called membermodel,

To implement this, we need to create a class as per the above format. Switch to command window again to create a service file called Member

You can see the above console screenshot SERVICE has been created successfully. Continue reading


Common Git mistakes and how to fix them – Ankur Biswas – Medium

We rename this branch in a similar way to how we rename a file with the mv command: by moving it to a new location with the correct name. We need to delete the old branch from the remote and push up the new one:
git push origin –delete feature-brunch
git push origin feature-branchAccidentally committed all changes to the master branch
So you are working on a new feature and in your haste, you forgot to open a new branch for it. git branch feature-branch
git reset HEAD~ –hard
git checkout feature-branchThis creates a new branch, then rolls back the master branch to where it was before you made changes, before finally checking out your new branch with all your previous changes intact. Continue reading


A curious case of the @Host decorator and Element Injectors in Angular

Suppose you have a component’s template with one element and two directives A and B applied to it:
The definition that Angular creates for this template includes the following metadata for the element:
As you can see, this node definition defines element.publicProviders property that acts as an injector with two providers ADirective and BDirective. Nested HTML elements make up a hierarchy of DOM elements and in Angular’s DI system these elements constitute a hierarchy of element injectors within a component’s view. For example, the following template:
where adir declares a provider creates a hierarchy of two element injectors — parent injector created on the element and the child injector created on the a-comp element. Continue reading


The Beginners Guide to Service Workers and Angular « ng-book.com – blog

determines how the resources are initially cached, that is, when the user first visits the application and the service worker is registered for the first time. In our case, the service worker is configured to the application files (so the user always has the newest version downloaded) and use the strategy for application assets. We will configure the service worker to cache the Angular logo but first, let's test the application. Continue reading


Polling using RxJS – ITNEXT

RxJS provides two function for this:
While interval emits the first event after a given time and then continuously with the same interval, timer starts after a given time to emit events every x time. import { timer, from } from 'rxjs'
import { map } from 'rxjs/operators'timer(0, 500)
= response.json()))). pipe(map(response = response.json())))
)Finish polling
Finally we really care about getting an event that tells us the backend finished processing, that our polling is done. Continue reading


Wrong comparisons between React and Angular – Zenika

Most of the times, the UI framework is the first choice for your frontend app: will you choose Angular or React (or something else)? It’s almost the only real freedom you have with React so I think this is not a sufficient point to keep this strong line between the two solutions…
Angular organizes your logic, React doesn’t and you have to use Flux
If you look at most of the open source projects with Angular or React, it’s true. Most of Angular apps are organized with “Angular services” and most of React apps use a Flux implementation. Continue reading


I created the same app in React and Vue (Part 2: Angular)

For Example:
function PrintToDo(myToDo: ToDo) { //the argument is of type ToDo
will generate a compiler error
this.PrintToDo("not a ToDo type")//this will not
this.PrintToDo(new ToDo("a real ToDo"))Of course we can do this with any type we want, not just classes:
function PrintString(myString: string) {
console.log(myToDo)}//this will generate a compiler error
this.PrintToDo(new ToDo("not a string type"))//this will not
this.PrintToDo("A string!") In Angular, all we need to do to display some data is two things:
Have a member in our component, in this case ToDo
Reference it in the template with curly braces {{ToDo.Item}}

And that’s it! @Input() ToDo: ToDo = new ToDo(""); Then our parent component just has to pass the ToDoItem component a ToDo like this:
ToDoItem [ToDo]=”ToDo”/ToDoItemThen we just use a binding to display our ToDo! Continue reading


Build A Real World Beautiful Web APP with Angular 6 — A to Z Ultimate Guide (2018) — PART I

Basically I set the appearance css property of a standard checkbox input to none just to completely remove any default styling of the input (this is different from display: none which completely hides the element) and then I used two different classes for the toggle button background and the circle to change the color and the position of the circle depending on a boolean variable stored on the component using the built in ngClass directive in Angular which let you toggle css classes easily. first we need to generate this component using the CLI using the following command:
ng g c homethe HTML markup has nothing more than a container and two other components for now but we will dynamically add cards depending on the user favourite cities in the upcoming parts of the tutorial:
Here is used the ngSwitch directive to check for the weather conditions and change
and now to some CSS styling of the component:
DarkMode
In the CSS you can notice that I added two classes for most UI elements and the reason for this is we want to add extra css classes for the dark theme with -dark suffix so we can toggle them afterwards using again the ngClass directive based on the theme toggle button state. Here is the add card component I have added a wrapper that has a conditional dark mode ngClass directive like most of the UI element and I have added a the Angular router routerLink attribute to navigate the user to the add city page when the card is clicked
in terms of CSS again nothing complicated here as the main card uses also gird layout to create 2 rows to evenly space its content. Continue reading


Display SharePoint List Data in Tabular format using AngularJS in SharePoint Online – EnjoySharePoint

This SharePoint online tutorial explains how we can display list data in tabular format in SharePoint online (Download PDF for FREE) using AngularJS. Here I have a list name as Product which few columns like ProductName, ProductImage, ProductRate etc. Now I have added the below code inside a script editor web part inside a web part page to display the product list. Continue reading

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