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Why do we use Angular?We use it to develop rich interface client-side applications like single-page applications and mobile applications. The main advantage of Angular is getting a fully integrated web framework that offers its own in-box solutions for building components, routing, and working with remote APIs. What are the advantages of using Angular?The main advantage of using Angular is getting a fully integrated web framework that offers its own in-box solutions for building components, routing, and working with remote APIs. How does a module work in Angular?Modules separate the scope of declarations in them. That allows us to build multiple independent modules for our app and use lazy loading for the modules. The purpose of a module is to declare everything that is used in this module and allow Angular to do ahead-of-time compilation for it.
Is Angular MVC-based?Angular is no longer an MVC framework, unlike AngularJS. It’s a component-based framework. Components take the role of controllers here, but only on a very simplified level of abstraction.
What is RxJS?RxJS is the Reactive Extensions library for JavaScript, which allows us to operate with Observables, which are streams of events that replace stand-alone promises for us. What is NgRX?NgRX is a pattern for managing application states. It’s an RxJS-powered state management library for Angular applications.
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It allows us to have a single application state to wire all components together and provide predictable and consistent behavior for our app. I wanted to mention that you use:ng new getting-started-ng5but then later state:'it’s considered good practice to preface our component selectors with a common prefix.' It would seem that by doing things this way, the initial component created would have one prefix and others created later would have a different prefix.I see in the Angular documentation:is a flag we can use with the 'new' for solving this problem!-prefix (alias: -p) default value: appI'm going to try it. I got to this point.
Please pass one in.line 9: Looking at the github code does not help because it has the finished product, and this block is changed later in the tutorial.I hope some one can help because I'd like to continue this tutorial. This is not a matter of JS basics. I've been using JS for 15 years. This is a matter of learning Angular, after your title is 'Step by Step Guide to Your First Angular'With a title like that a student would assume that the teach would not make assumptions about what is meant, stated or not stated. A student would assume the teacher would speak in clear and price language.You have fallen into the 'first time teacher' trap: writing and knowing what you mean, but your reader might not. Canadian human resource management 8th edition schwindel. Writing HOW-TOs are hard.Here's a suggestion for you: write a HOW-TO make a ham sandwich, write it down and hand it to a friend, ask them to do exactly, no more and no less than what you wrote down to make the sandwich.
Your friend can not take any step that you have not defined, ie: 'open door to cabinet where the bread resides.' Is that simple? Well, I don't know your kitchen so I don't know which cabinet the bread is in, would I?Like I said, I really liked your tutorial, once I knew where your bread was stored. I have to agree with @disqusq977QKFAXo:disqus and @hemaes19:disqus, As im totally new to everything connected to Angular5, iv been following your guide step by step and i was confused, right after you made CardComp and CardListComp, you inserted 3 CardComps into the list, and said 'here is how the web page is suppose to look'. However you forgot to mention that you need to change the ' welcome ' part to ' in the app.component.html file.That part threw me off and i had to come to the comments to find out how to fix it, luckily @martnfox:disqus commented on that exact issue and solved it for me. Before adding the extension I received./nodemodules/raw-loader!/nodemodules/postcss-loader/lib??embedded!/src/styles.cssModule build failed: Error: Can't resolve './nodemodules/bootstrap/scss/bootstrap' in 'C:getting-started-ng5src'After adding the extension I get./nodemodules/raw-loader!/nodemodules/postcss-loader/lib??embedded!/src/styles.cssModule build failed: Error: Can't resolve 'functions' in 'C:getting-started-ng5nodemodulesbootstrapscss'I'm trying to track this down, but not luck so far. Should there be a functions directory under.nodemodulesbootstrapscss?Here's the output from the bootstrap install:C:getting-started-ng5'c:Program Files (x86)Yarnbinyarn' addyarn add v1.6.01/4 Resolving packages.2/4 Fetching packages.info: The platform 'win32' is incompatible with this module.info ' is an optional dependency and failed compatibility check.
Excluding it from installation.3/4 Linking dependencies.warning ' ' has unmet peer dependency ' - 3'.warning ' ' has unmet peer dependency '^1.12.3'.4/4 Building fresh packages.success Saved lockfile.success Saved 1 new dependency.info Direct dependencies└─info All dependencies└─Done in 10.10s. This was my first introduction to Angular5(6) and my second experience working with any Node.js based website and I just managed to make it through your tutorial. Thank you Sergey this was really great.Also, until now I have coded exclusively using plain ES5 Javascript and so everything: TypeScript, Firebase, ES6 features, etc. Was new to me but I do have some previous experience coding Java/Python apps.I had some hiccup's here and there (for example wrong dependencies when using Angular 6, and issues using rxjs V6.0 with its newest changes, etc) but this tutorial is still totally doable.One thing I am not sure about.
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When I implemented the 'Remove' card function as suggested, my implementation was such that if you clicked on the card it would be deleted. I had to setup a click @HostListener in 'card.component' to get this to work and propagate the event upward via EventEmitters. Is this the correct way? I read some literature on passing two-way messages between components using a Subject but I am not sure if this would be the proper way in this instance.
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