angular-tour-of-heroes | Angular - Tour of Heroes - The Next Step after Getting Started | Learning library
kandi X-RAY | angular-tour-of-heroes Summary
kandi X-RAY | angular-tour-of-heroes Summary
Angular - Tour of Heroes - The Next Step after Getting Started
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QUESTION
I know this may sound strange to all of you but for some reason I don't know how to explain myself why this would work, I am probably missing something crucial.
So basically in angular-tour-of-heroes app, list of mock heroes is presented, you click on a hero inside of ngFor and selectedHero details is being shown.
Everything is fine because ngModel changes selectedHero variable inside typescript part as well as html part of the app.
But how can ngModel change 'hero' object inside ngFor loop? As I type in input field another hero name, the 'hero' from list from ngFor loop above changes as well. How does this work ?
Link: https://angular.io/tutorial/toh-pt2
heroes.component.html
...ANSWER
Answered 2021-Jan-05 at 22:04When a hero is clicked it runs the onSelect(hero)
method.
this.selectedHero = hero;
actually sets a pointer to the original location inside this.heroes
. When your [(ngModel)] targets the selectedHero
it's final destination targets the original hero
in the ngFor. It is targeting the exact same variable as if I had an index in the array (e.g. const selectedHeroIndex) and [(ngModel)]="heroes[selectedHeroIndex"]
.
QUESTION
I´m new at docker and I´m trying to dockerize the angular sample project "Tour of heroes" which you can find here:
https://angular.io/generated/zips/toh-pt6/toh-pt6.zip
I have created the Dockerfile from what I have researched and it looks like this:
DOCKERFILE
...ANSWER
Answered 2020-Oct-21 at 20:07The entry point is not needed in the node dockerfile. It automatically starts using the npm start command
Nota :
- WORKDIR instructions selects the folder as the root of your following actions. No need to COPY in /src/app. Prefer .
- I would copy package*.json to also have the -lock file copied
- ng serve is performed because your package.json file sais so. **"start": "ng serve", ** line implies that when you use npm start it does ng serve.
QUESTION
Just started learning angular development. Following official angular doc from angular.io. Everything was working fine step by step till I reach https://angular.io/tutorial/toh-pt6
Added HttpClientInMemoryWebApiModule for mocking remote server, now it's not working.
It's now able to find out 'api/heroes' endpoint. this may be configuration issue with 'HttpClientInMemoryWebApiModule'.
Here is my source code: https://github.com/csankhala/angular-tour-of-heroes
Please let me know what I missed?
...ANSWER
Answered 2020-Jun-30 at 12:17Your urls must matchs the name of your data declared inside the in-memory-data.service
.
In this situation, in order to query api/heroes
, the createDb() function returned object must include a variable named heroes
(rather than HEROES
).
QUESTION
I am going through the tutorial and doing everything as it says until I get to this section of the tutorial where it throws me this error. I have the hero class defined so I am confused as to why it is throwing me this error. I have restarted the program all together and even re-created the mock-heroes type script. I am using Visual studio code so here is my code for the two files:
Hero class defined in hero.ts:
...ANSWER
Answered 2018-Mar-07 at 10:21Yes it's because of folder structure do change the import as below
QUESTION
In the Tour of Heroes Part 0, it says
Run the CLI command ng new and provide the name angular-tour-of-heroes, as shown here:
...
ANSWER
Answered 2019-Oct-03 at 16:46This question is a "new" thing on Angular CLI, that's why is not on the documentation.
You can say "yes" to the angular routing
QUESTION
Error
...Could not find the implementation for builder @angular-devkit/build-angular:dev-server
ANSWER
Answered 2019-Jun-19 at 07:45Solution
After upgrading to Angular 8
problem may occur
QUESTION
On a Mac, I’m trying to follow the steps in the Angular.io tutorial (https://angular.io/tutorial/toh-pt0)
...ANSWER
Answered 2018-Oct-29 at 17:12Finally found the answer to the above problem -> https://github.com/facebook/create-react-app/issues/5328#issuecomment-429148117
The culprit was .npmrc file that was located in user home dir Users/you/.npmrc. Once I removed the files, all was well.
QUESTION
I had built Angular sample Tour of Heroes app as on https://github.com/garg10may/TourOfHeroes
now when I try to clone it and do ng serve
it gives me an error
The serve command requires to be run in an Angular project, but a project definition could not be found.
From what I understand I didn't commit angular.json
file hence it not recognizing the same. How can I generate the same?
Edit:
If I use angular.json file from another new project gives the error.
...ANSWER
Answered 2019-Jun-07 at 08:04You would also need tsconfig.app.json
along with angular.json
copy over these files from a new project.
Now run
npm update
--> npm install
--> ng serve
Remember to run all commands as sudo.
QUESTION
I'm stuck on the third step of the Angular tour of heroes tutorial, last time I checked, in Angular 2 and 4, this solution worked. What has changed since then?
Here's the screenshot of the error I'm getting in the browser console.
And here's a link to my repo on Github.
In HeroDetailComponent
, I've got this.
ANSWER
Answered 2019-Feb-04 at 07:22Instead of using
QUESTION
When I try to generate a new component for my Angular app I immediately get a permission denied error but I do not know why. The command I try to run is
...ANSWER
Answered 2019-May-04 at 01:52try chmod 777
(instead of 755
) and look at the owner of the files that get generated. Probably sublime is running under different uid than you
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Install angular-tour-of-heroes
Run ng build to build the project. The build artifacts will be stored in the dist/ directory. Use the -prod flag for a production build.
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