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Angular Services

Angular Services

By : Sohail Salehi
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Angular Services

Angular Services

2 (1)
By: Sohail Salehi

Overview of this book

A primary concern with modern day applications is that they need to be dynamic, and for that, data access from the server side, data authentication, and security are very important. Angular leverages its services to create such state-of-the-art dynamic applications. This book will help you create and design customized services, integrate them into your applications, import third-party plugins, and make your apps perform better and faster. This book starts with a basic rundown on how you can create your own Angular development environment compatible with v2 and v4. You will then use Bootstrap and Angular UI components to create pages. You will also understand how to use controllers to collect data and populate them into NG UIs. Later, you will then create a rating service to evaluate entries and assign a score to them. Next, you will create "cron jobs" in NG. We will then create a crawler service to find all relevant resources regarding a selected headline and generate reports on it. Finally, you will create a service to manage accuracy and provide feedback about troubled areas in the app created. This book is up to date for the 2.4 release and is compatible with the 4.0 release as well, and it does not have any code based on the beta or release candidates.
Table of Contents (9 chapters)
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Data visualization


There are several definitions for data visualization and many articles talk about how beneficial it is when it is about communicating with data. I think that old idiom "a picture is worth a 1,000 words" summarizes it better. Since we are dealing with - literally - thousands of words, lets see how we can benefit from data visualization libraries in our project in order to get the insight we have been talking about since the beginning of this chapter.

In this section, we are going to use a graph to represent clusters (centers and their articles). We can use the current template to show the graph, but instead we are going to introduce another Angular concept called child components and see how we can use other views as the children of the current view. So, as usual, let's create the blueprints first and develop them progressively as we proceed.

The modal component

When we click the Build clusters button, it does the job, but doesn't show anything back to the user. Lets keep...

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Angular Services
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