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How to start loop from index 1 instead of index 0 in *ngFor loop in angular?

I am currently getting some data from a dummy api, data from response starts from 1 and the index is currently starting from 0.
How I can start the index loop from 1 instead of 0?
Following the html for *ngFor below:
component.html
<div class="all-users" >
<div class="nested-items" *ngFor="let data of flattenedResponse[0]; let i=index; " (click)="switchUsers(i)">
<h4>{{i}}</h4>
<img src="{{data.image}}" alt="profile">
</div>
</div>

Why not just do the following:
<div class="all-users" >
<div class="nested-items" *ngFor="let data of flattenedResponse[0]; let i=index; " (click)="switchUsers(i)">
<h4>{{i + 1}}</h4>
<img src="{{data.image}}" alt="profile">
</div>
</div>
I don't know of a way to change where the index starts, but this way works fine for most cases

How I can start the index loop from 1 instead of 0
The correct answer here is... you can't.
So there are some suggestions already, but personally I would avoid hacking your markup to get round the data structure the api returns. It's generally a bad idea to make your markup need to know too much about what your server does.
If the array your api returns is not in the best format for your markup - just create a new data array which is, and point your markup at that. It's best to do this in a service at the point you handle the api result, but if nothing else, do it in your .ts file.

have you try :
<div class="all-users">
<div class="nested-items" *ngFor="let data of flattenedResponse[0]; let i=index; " (click)="switchUsers(i+1)">
<h4>{{i+1}}</h4> <img src="{{data.image}}" alt="profile">
</div>
</div>
or you can just skip first element like this :
<div class="nested-items" *ngFor="let data of flattenedResponse[0] | slice:1; let i=index; " (click)="switchUsers(i)"></div>

You can skip first index explicitly with *ngIf:
<div class="all-users" >
<div class="nested-items" *ngFor="let data of flattenedResponse[0]; let i=index;" (click)="switchUsers(i)">
<ng-container *ngIf="index !== 0">
<h4>{{i}}</h4>
<img src="{{data.image}}" alt="profile">
</div>
</ng-container>
</div>
</div>

How can I pull a specific title from an array using Angular?

I am trying to pull a specific title from an array using Angular.
Whilst I can use ng-repeat to loop through all titles and print these to my news listing webpage, I only wish to pull the first heading in my array for the news details page. Do I need to use the ng-repeat or can I use something different?
I have tried using number:0 as well as json:0.
$scope.newsListings = [
{
title: "Why cooking is great";
},
{
title: "Windsurfing is fun";
}
];
<div ng-controller="primaryController">
<article>
<div ng-repeat="item in newsListings | json:0">
<h1>{{item.title }}</h1>
<p class="synopsis">{{item.synopsis}}</p>
</div>
<article>
</div>

If you want to show only one item, you can omit the ng-repeat part as you want only one item from your array. You need just to use index.
<div ng-controller="primaryController">
<article>
<div>
<h1>{{ newsListings[0].title }}</h1>
<p class="synopsis">{{ newsListings[0].synopsis }}</p>
</div>
<article>
</div>

You can actually use ng-model for this with a first element of array if you need 2 way binding as well (for inputs of course). For other purposes you can use just index.
<div ng-controller="primaryController">
<article>
<div>
<input type="text" ng-model="newsListings[0].title" />
</div>
<div ng-bind="newsListings[0]">
<h1>{{newsListings[0].title }}</h1>
<p class="synopsis">{{newsListings[0].synopsis}}</p>
</div>
<article>
</div>

How to call multiple angularjs service calls from within nested ng-repeat

I am making a simple sports goods shopping app in AngularJs.
I am in a situation where I have three nested ng-repeats.
First loop: Get the brand name. I have written angularjs service that calls the rest endpoint to fetch the lists of brands (Adidas, Yonex, Stiga, etc). I am calling this service as soon as the page(controller) gets loaded.
Second loop: For each brand, I want to display the category of products they are offering. Inside this loop, I want to execute a function/service that will take the brand name as input and get all the categories for the brand. For this, I also have an angularjs service that calls the rest endpoint to fetch the list of categories for a given brand name.
Third loop: For each brand and category, I want to display the products in that category. Inside this loop, I want to execute a function that will take the brand name and category as input and get all the products in that category. I an angularjs service call which will call the rest endpoint to fetch the products given the brand name and category.
Sample data set:
Adidas
-----T-Shirts
----------V-Neck
----------RoundNeck
-----Shoes
----------Sports Shoes
----------LifeStyle Shoes
Yonex
-----Badminton Racquet
----------Cabonex
----------Nanospeed
-----Shuttlecocks
----------Plastic
----------Feather
Stiga
-----Paddle
----------Procarbon
----------Semi-carbon
-----Ping Pong Balls
----------Light Weight
----------Heavy Weight
Please note that because of some constraints I cannot have a domain object on the REST side to mimic the data structure shown above.
I want to display the above data in a tree-like fashion (something on the same lines as shown above possibly with expand/collapse options).
Below are the code snippets.
CONTROLLER:
(function () {
'use strict';
angular.module('SportsShoppingApp.controllers').controller('sportsController', ['sportsService', '$scope', function (sportsService, $scope) {
$scope.brands = [];
$scope.categories = [];
$scope.products = {};
$scope.getBrands = function () {
sportsService.getBrands()
.then(loadBrands, serviceError);
};
var loadBrands = function(response) {
$scope.brands= response.data;
};
$scope.getCategories = function(brand) {
sportsService.getCategories(brand)
.then(loadCategories, serviceError);
};
var loadCategories = function (response) {
$scope.categories = response.data;
};
$scope.getProducts = function(brand, category) {
sportsService.getProducts(brand, category)
.then(loadProducts, serviceError);
};
var loadProducts = function (response) {
$scope.products = response.data;
};
var serviceError = function (errorMsg) {
console.log(errorMsg);
};
$scope.getBrands();
}]);
}());
HTML:
<div class="well">
<div class="row">
<div id="sportsHeader" class="col-md-3">
<div ng-repeat="brand in brands.data">
<div class="row">
<div class="col-md-9">{{brand}}</div>
</div>
<div ng-repeat="category in categories.data" ng-init="getCategories(brand)">
<div class="row">
<div class="col-md-9">{{category}}</div>
</div>
<div ng-repeat="product in products.data" ng-init="getProducts(brand, category)">
<div class="row">
<div class="col-md-9">{{product}}</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
When I use the above HTML, only the brand names are displayed on the UI. The categories and their corresponding products are not displayed. I know that there is some overlapping that is happening. I am not sure if I am doing it the right way. I might be completely wrong with my approach. I am new to AngularJS. I want to know how to loop in nested ng-repeat so that each ng-repeat could call an angularjs service and also I want to display the data in the tree fashion as shown above. Can someone help me here?

I think that the ng-inits have to be placed on separate tags to the ng-repeats:
<div class="well">
<div class="row">
<div id="sportsHeader" class="col-md-3">
<div ng-repeat="brand in brands.data">
<div class="row">
<div class="col-md-9">{{brand}}</div>
</div>
<div ng-init="getCategories(brand)">
<div ng-repeat="category in categories.data">
<div class="row">
<div class="col-md-9">{{category}}</div>
</div>
<div ng-init="getProducts(brand, category)">
<div ng-repeat="product in products.data">
<div class="row">
<div class="col-md-9">{{product}}</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
You might have to juggle your bootstrap classes around also, moving ng-init is only to fix the angular part.

Move the ng-init directives outside of the ng-repeat to which they provide data.
<div class="well">
<div class="row">
<div id="sportsHeader" class="col-md-3">
<!-- MOVE init of categories here -->
<div ng-repeat="brand in brands.data" ng-init="getCategories(brand)">
<div class="row">
<div class="col-md-9">{{brand}}</div>
</div>
<!-- MOVE init of products here -->
<div ng-repeat="category in categories.data" ng-init="getProducts(brand, category)">
<div class="row">
<div class="col-md-9">{{category}}</div>
</div>
<div ng-repeat="product in products.data">
<div class="row">
<div class="col-md-9">{{product}}</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
The ng-init directive has a priority of 450; the ng-repeat, priority 1000. This means that when they are on the same element ng-init executes after the ng-repeat directive. The ng-repeat for categories.data won't execute its ng-init until it has a category. Thus its ng-init can't be used to populate the categories array.
Quick question. Is my approach correct ?
The approach works but it violates the Zen of Angular and the principles of an MV* Model View Whatever framework.
The model is the Single Source of Truth
Because the view is just a projection of the model, the controller is completely separated from the view and unaware of it. This makes testing a snap because it is easy to test your controller in isolation without the view and the related DOM/browser dependency.
--AngularJS Developer Guide -- Data-Binding
Having the ng-repeat and ng-init directives build the model creates a dependency that makes testing and debugging difficult. (As witnessed by this question.)
My advice is to learn how to build the model by chaining promises and using $q.all.

Directive take other directive's data after deletion

Edit: Thanks to Simon Schüpbach, I was able to resolve the issue by changing the template. See the end for the solution.
Let's preface this by saying that we are beginner to soft-intermediate in Angular.
On one of our project, we are using angularjs 1.4.x and also ng-cart (https://github.com/snapjay/ngCart). It worked great but then we were confronted with a demand from our client that created new weird issues.
We added fsCounter, as a directive, to the cart page so user can add or remove items. This all work great but the users also have the option to delete an item from the cart view. Deletion works as expected BUT it seems to affect the scope to the item that takes it place.
Let me make it clearer :
Let's say we have 2 products in our cart page, it displays something like that
Product_1 {price} {counter} {total} delete_btn
Product_2 {price} {counter} {total} delete_btn
Each fsCounter is its own scope
return {
restrict: "A",
scope: {
value: "=value",
index: "=index"
},
link: //other logic
However when we delete the first item, visually and in the directives, the data seems to shift. So our second row will now inherit the first row's counter.
Directive's data looks like this:
Product_1:
itemId:3,
quantity:2,
{other data}
Product_2:
itemId:8,
quantity:5,
{other data}
But once we delete the first directive (We get the scope, remove the DOM element, destroy the scope) the second directive will now have this data:
Product_2:
itemId:3,
quantity:2,
{other data}
Here is the template code :
<div class="unItem" ng-repeat="item in ngCart.getCart().items track by $index">
<div class="photo"><img src="{[{ item.getImage() }]}" alt=""></div>
<div class="details">
<h3>{[{ item.getName() }]} <span>{[{ item.getPrice() | currency:$}]}</span></h3>
<md-select ng-model="attributes" placeholder="Attribut" class="select-attribut" ng-show="item.hasAttributes()" ng-change="item.updateSelected(attributes)">
<md-option ng-repeat="attr in item.getAttributes()" ng-selected="attr == item.getSelected()" ng-value="attr">{[{ attr }]}</md-option>
</md-select>
</div>
<div class="quantity">
<div fs-counter-dynamic value="itemQuantity"
data-min="1"
data-max="999"
data-step="1"
data-addclass="add-quantity"
data-width="130px"
data-itemid="{[{ item.getId() }]}"
data-editable
ng-model="itemQuantity"
name="quantity" id="quantity-{[{ item.getId() }]}",
index="{[{ item.getId() }]}"
></div>
</div>
<div class="total">Total : {[{ item.getTotal() | currency }]}</div>
<div class="delete"><a ng-click="ngCart.removeItemById(item.getId());"></a></div>
</div>
Is this normal behavior? Is there any way to force the directive to keeps its own data? From what I've understood, each directive has its own scope, so what I think happens is that, when we remove the first one, it keeps the data stored in some kind of array that says "directive 1 data is : " and when we delete the first directive, the second one becomes the first.
So basically, are we doing anything wrong or is there anyway to remap the data?
Hope it was clear enough,
Thanks!
Edit: added html code
Edit2: Answer :
New FsCounter template looks like this:
<div fs-counter-dynamic value="item._quantity"
data-min="1"
data-max="999"
data-step="1"
data-addclass="add-quantity"
data-width="130px"
data-itemid="{[{ item.getId() }]}"
data-editable
ng-model="item._quantity"
name="quantity" id="quantity{[{ item.getId() }]}"
></div>

Do you know ng-repeat, then you don't have such problems
<div ng-repeat="product in products">
<fs-counter index="product.index" value="product.value"></fs-counter>
</div>
and in your controller
$scope.products = [
{index:1, value:"Cola"},
{index:2,,value:"Fanta"}
]
to remove an element you just have to do
$scope.products.splice(0,1);
Edit:
I suggest to save all necessary data inside the item you use inside ng-repeat. Your problem is, that you mix data from array with other data from your $scope. It is possible to $watch changes in your directive, but if you set them with ng-repeat everything is done automatically.
$scope.products = [
{index:1, name:"Cola", price:1.50, image:"your/path.png", attributes:{...}},
{index:2, name:"Fanta", price:1.40, image:"your/path.png"}
]
And then in your html
<div class="unItem" ng-repeat="item in ngCart.products track by $index">
<div class="photo"><img ng-src="item.image" alt=""></div>
<div class="details">
<h3>{{item.name}} <span>{{item.price | currency}}</span></h3>
</div>
<div class="quantity">
<div fs-counter-dynamic value="item.quantity"
data-min="1"
data-max="999"
data-step="1"
data-addclass="add-quantity"
data-width="130px"
data-itemid="item.index"
data-editable
ng-model="item.quantity"
name="quantity" id="{{'quantity-' + $index}}",
index="item.index"
></div>
</div>
<div class="total">Total : {{ item.price * item.quantity | currency }}</div>
<div class="delete"><a ng-click="ngCart.removeItemById(item.index);"></a></div>
</div>

Counting objects that contain specific property in AngularJS

I'm trying to read stats out of an array of objects that looks like this:
{
"time":"19.09",
"car":"429",
"driver":"Julia",
"from":"James Hotel",
"destination":"Juba Teaching Hospital",
"pax":"2",
"arrival":"19.09",
"inserted":true
}
{
"date":"25/10/2014",
"time":"19.11",
"car":"396",
"driver":"Tom",
"from":"Drilling company",
"destination":"James Hotel",
"pax":"2",
"comment":"This comment is a test",
"commenttime":"19.11",
"arrival":"19.12",
"inserted":true
}
I'm using the Unique module from AngularUI to be able to make a list of all drivers or all cars, which so far works OK and creates the following table:
<div class="row msf-stats-data-row" >
<div class="col-md-5">
<div class="row" ng-repeat="record in recordlist | unique:'car'">
<div class="col-md-4">{{record.car}}</div>
<div class="col-md-4">Trips</div>
<div class="col-md-4">Time on the road</div>
</div>
</div>
<div class="col-md-6 pull-right">
<div class="row" ng-repeat="record in recordlist | unique:'driver'">
<div class="col-md-6">{{record.driver}}</div>
<div class="col-md-2">Trips</div>
<div class="col-md-4">Time on the road</div>
</div>
</div>
</div>
Every object is a trip. My problem right now is that I want to be able to both count how many objects contain each of the unique record.car or record.driver properties (to be able to determine how many trips a car took), and also to make operations with momentJS to be able to determine how much time a particular car or driver was on the road (timeOnRoad = record.time - record.arrival).
I'm a bit lost on whether this is even possible to do.
Any input?
ANSWER
The answer from Ilan worked perfectly! Here's my code after I adapted it slightly.
var carsDict = {};
angular.forEach($scope.recordlist, function(record) {
carsDict[record.car] = carsDict[record.car] || [];
carsDict[record.car].push(record);
});
$scope.carstats = carsDict;
And the HTML:
<div class="col-md-5">
<div class="row" ng-repeat="carcode in carstats">
<div class="col-md-4">{{carcode[0].car}}</div> <!-- Car code -->
<div class="col-md-4">{{carcode.length}}</div> <!-- Nº of objects (trips) inside carcode -->
<div class="col-md-4">Time on the road</div>
</div>
</div>

First create a dictionary of cars to store references of records per car.
var carsDict = {};
angular.forEach(recordlist, function(record) {
carsDict[record.car] = carsDict[record.car] || [];
carsDict[record.car].push(record);
});
Then you can make all calculations for each car.