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shorten ng-repeat variable with limitTo

In my DB I have Datastructure like this
"Projects":[{
"Year2016":[{"Name": "Project1"},{"Name": "Project2"}],
"Year2017":[{"Name": "Project1"},{"Name": "Project2"}]
}]
with ng-repeat i go
ng-repeat="year in Projects"
<b>{{year | limitTo:4:6}}</b>
instead of 2016 i get the whole {"Year2016":.....}
if i put the query response in the code as a string it works as suspected but
for some reason the limitTo is not working on the new ng-repeat "variable"
Is it possible at all?

you should use a (key, value) syntax ng-repeat to loop through json object array with the keys.
refer the below example:
angular.module("app", [])
.controller("myCtrl", function($scope) {
$scope.data = {
"Projects": [{
"Year2016": [{
"Name": "Project1"
}, {
"Name": "Project2"
}],
"Year2017": [{
"Name": "Project1"
}, {
"Name": "Project2"
}]
}]
};
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
<div ng-app="app" ng-controller="myCtrl">
<div ng-repeat="project in data.Projects">
<div ng-repeat="(key, value) in project">
<b>{{key | limitTo:4:4}}</b>
<div ng-repeat="item in value">
<span>{{item.Name}}</span>
</div>
</div>
</div>
</div>

last field id for starting index so your ng repeat should be
ng-repeat="year in Projects"
<b>{{year | limitTo:4:4}}</b>

Angular - loop over nested javascript arrays

How can I use ng-repeat to loop over data that contains many nested array data?
I have data that will have many "Segments"
Example:
confirm.booking.flightData[0].Segments[0].FlightNumber
confirm.booking.flightData[0].Segments[1].FlightNumber
confirm.booking.flightData[0].Segments[2].FlightNumber
I have done both ng-repeat with angular, and without angular I would end up resorting to javascript that loops over data and creates the html dynamically, but I wish to do this the ANGULAR way.. HOW?
HTML with Angular/Javascript Arrays:
<div class="container-fluid">
<div class="row">
<div class="col-md-4">
<span style="font-weight: bold;">Flight</span>
</div>
<div class="col-md-4">
<span style="font-weight: bold;">Departs</span>
</div>
<div class="col-md-4">
<span style="font-weight: bold;">Arrives</span>
</div>
</div>
<div class="row">
<div class="col-md-4">
{{confirm.booking.flightData[0].Segments[0].FlightNumber}}
</div>
<div class="col-md-4">
({{confirm.booking.flightData[0].Segments[0].DepartureAirport}})
</div>
<div class="col-md-4">
({{confirm.booking.flightData[0].Segments[0].ArrivalAirport}})
</div>
</div>
</div>

Nesting can be done in repeats, but repeating too much in ng-repeats can be costly in terms of performance as angular creates scopes for each element repeated. Hence, filtering data till the perfect abstracted values that you need in terms of html should be done in the js file.
For eg: if u need only segements in the html form do this, or if u need even flight data in html form follow #Rachel's post
<ul data-ng-repeat="item in confirm.booking.flightData[0].Segments">
<li>{{ item.FlightNumber}}</li>
</ul>

Let's say your data is in flightdetails, then you can go about it like this:
<div ng-repeat="a in flightdetails ">
<div ng-repeat="b in a.booking">
<div ng-repeat="c in b.flightdata">
<div ng-repeat="d in c.segments">
{{d.flightnumber}}
</div>
</div>
</div>
</div>

You can use nested ng-repeat to bind your data - see a demo below:
angular.module("app", []).controller("ctrl", function($scope) {
$scope.confirm = {
booking: {
flightData: [{
Segments: [{
FlightNumber: 1
}, {
FlightNumber: 2
}]
}, {
Segments: [{
FlightNumber: 3
}, {
FlightNumber: 4
}]
}]
}
}
// console.log($scope.confirm);
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div class="wrapper" ng-app="app" ng-controller="ctrl">
<div ng-repeat="x in confirm.booking.flightData">
Data {{$index + 1}}:
<div ng-repeat="y in x.Segments">
<div>Flight No: {{y.FlightNumber}}</div>
</div>
<br/>
</div>
</div>
If you want to display only the following:
confirm.booking.flightData[0].Segments[0].FlightNumber
confirm.booking.flightData[0].Segments[1].FlightNumber
confirm.booking.flightData[0].Segments[2].FlightNumber
then you can use limitTo - see demo below:
angular.module("app", []).controller("ctrl", function($scope) {
$scope.confirm = {
booking: {
flightData: [{
Segments: [{
FlightNumber: 1
}, {
FlightNumber: 2
}]
}, {
Segments: [{
FlightNumber: 3
}, {
FlightNumber: 4
}]
}]
}
}
// console.log($scope.confirm);
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div class="wrapper" ng-app="app" ng-controller="ctrl">
<div ng-repeat="x in confirm.booking.flightData | limitTo : 1">
Data {{$index + 1}}:
<div ng-repeat="y in x.Segments">
<div>Flight No: {{y.FlightNumber}}</div>
</div>
<br/>
</div>
</div>

I created an example here:
http://codepen.io/ackzell/pen/ENBymo
It ultimately looks like this, but check the pen as it has some more info:
<ul>
<li ng-repeat="flight in vm.flightData">
<ul>
<li ng-repeat="segment in flight.Segments">
<em>FlightNumber</em> {{ segment.FlightNumber }}
<br />
<em>Departure:</em> {{ segment.DepartureAirport }}
<br />
<em>Arrival:</em> {{ segment.ArrivalAirport }}
</li>
</ul>
</li>
</ul>
Nesting ng-repeats would help, but maybe you want to give your data some treatment first.

How to display fetched records one by one

I am working in angular-js, javscript and HTML. I am able to fetch a list of customer names and their details from the database, but I want to display those records one by one when I press next button. Can you please suggest me how to do this
Thanks in advance..

You pressed on some button , and some event will be fired and you will hit some API and response will be shown to the page . if yes lets say on button click ShowData function get triggered .
App.controller('CustomerCtrl',['$scope',function($scope){
$scope.ShowData = CustomerService.Names().then(function(data){
$scope.customers = data
})
}])
in Html
<div ng-controller="CustomerCtrl">
<div ng-repeat="customer in customers">
<h3 ng-bind="customer.name"></h3>
</div>
</div>

<div ng-controller="CustomerCtrl">
<button value="Next" ng-click="next()">
<div>
<h3>{{name}}</h3>
</div>
</div>
and your js file
App.controller('CustomerCtrl',['$scope',function($scope){
$scope.ShowData = CustomerService.Names().then(function(data){
$scope.customers = data;
})
var cnt=0;
$scope.next=function(){
$scope.name=$scope.customers[cnt].name;
cnt++;
}
}])

You can solve the above issue by using ng-repeat with limitTo filter.Here $scope.customers contains JSON array.Also limitTo is Controlled by using a variable i.
function MyCtrl($scope) {
$scope.i=1;
$scope.customers = [{
"firstName": "John",
"place":"USA",
"number":"78437375"
}, {
"firstName": "Anna",
"place":"Asia",
"number":"546464656"
}, {
"firstName": "Peter",
"place":"Europe",
"number":"24353535"
}];
$scope.showMoreCustomers=function()
{
$scope.i++;
}
$scope.showLessCustomers=function()
{
$scope.i--;
}
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular.min.js"></script>
<div ng-app ng-controller="MyCtrl">
<button ng-click="showMoreCustomers()">+</button>
<button ng-click="showLessCustomers()">-</button>
<ul>
<li ng-repeat="cust in customers | limitTo:i">{{cust.firstName}},{{cust.place}},{{cust.number}}</li>
</ul>
</div>

How to make template without ng-repeat and pass data to $scope with angular-drag-and-drop-lists?

I want to use angular-drag-and-drop-lists with my own grid template to WYSIWYG editor. How to build my own HTML template without ng-repeat so it will be able to drop items in any predefined column and store information in $scope in which column item has been dropped?
I want to store dropped items in columns array:
.controller('DragDropGrid', ['$scope',
function($scope) {
$scope.layouts = {
selected: null,
templates: [
{name: "Plugin", type: "item", id: 2},
],
columns: [],
oldaproachcolumns: [
"A": [
],
"B": [
]
}
]
};
}
]);
This is currently not a working template. On drop it throws the error "undefined is not an object (evaluating 'targetArray.splice')":
<div ng-include="'grid.html'"></div>
<script type="text/ng-template" id="grid.html">
<div class="col-md-12 dropzone box box-yellow">
<div class="row template-grid" dnd-list="list">
<div class="col-xs-12 col-md-8" ng-repeat="item in list" dnd-draggable="item" ng-include="item.type + '.html'">Header</div>
<div class="col-xs-6 col-md-4">News</div>
</div>
</div>
</script>
<script type="text/ng-template" id="item.html">
<div class="item">Plugin {{item.id}}</div>
</script>
This is the standard working aproach:
<div class="row">
<div ng-repeat="(zone, list) in layouts.oldaproachcolumns" class="col-md-3">
<div class="dropzone box box-yellow">
<h3>{{zone}}</h3>
<div ng-include="'list.html'"></div>
</div>
</div>
</div>
<script type="text/ng-template" id="list.html">
<ul dnd-list="list">
<li ng-repeat="item in list" dnd-draggable="item" dnd-effect-allowed="move" dnd-moved="list.splice($index, 1)" dnd-selected="layouts.selected = item" ng-class="{selected: layouts.selected === item}" ng-include="item.type + '.html'">
</li>
</ul>
</script>
Based on this example: demo

How to build my own HTML template without ng-repeat
Use $templateCache and a for loop as an alternative:
var app = angular.module('foo', []);
function bop(model, data)
{
return data ? model : 'foo';
}
function baz()
{
return bop;
}
function foo($templateCache)
{
var i = 0, len = 5, bar = "";
for (i; i < len; i++)
{
bar = bar.concat("<li>",i,"<p ng-include=\u0022'foo'\u0022></p></li>");
}
$templateCache.put('listContent', bar);
}
angular.module('foo').filter('baz', baz);
app.run(foo);
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="foo">
<script type="text/ng-template" id="foo">
<span>hi</span>
</script>
<input ng-model="dude">
<ul ng-include="'listContent' | baz:dude"></ul>
</div>
References
AngularJS: API: $templateCache
AngularJS: Is there a better way to achieve this than the one specified?

Binding a single angular expression out of a json-file

I am pretty new to angularJS, and obviously there are some simple things that i do not yet understand. What i want to do is the following:
I've got a de-DE.json (that e.g. has several language-keys for a planned multi-language site) that looks somewhat like this
{
"index": {
"headline": "The title of that view",
"tabmenu": [
{
"id": "home",
"class": "active in",
"title":"Title No. 1",
"description":"Some description"
},
{
"id": "profile",
"class": "",
"title":"Title No. 2",
"banner":"WallBanner.jpg",
"description":"Some description"
},
{
"id": "messages",
"class": "",
"title":"Title No. 3",
"description":"Some description"
},
{
"id": "settings",
"class": "",
"title":"Title No. 4",
"description":"Some description"
}
]
},
"media": {
...
}
}
Next have a look at my index.html that looks like:
<html ng-app id="ng-app">
<head>
<title>Title of the Site</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<link rel="stylesheet" href="../assets/bootstrap/css/bootstrap.min.css">
</head>
<body ng-controller="languageKey">
<div class="container" ng-model="language.index">
<h1>{{ headline }}</h1>
<div class="row">
<div class="col-lg-12">
<ul class="nav nav-tabs" id="myTab">
<li class="active">Tab1</li>
<li>Tab2</li>
<li>Tab3</li>
<li>Tab4</li>
</ul>
<div class="tab-content">
<div class="tab-pane fade {{ lg.class }}" id="{{ lg.id }}" ng-repeat="lg in language.index.tabmenu">
<h3>{{ lg.title }}</h3>
<p>{{ lg.description }}</p>
</div>
</div>
</div>
</div>
</div>
<script src="../assets/jquery/jquery.js"></script>
<script src="../assets/bootstrap/js/bootstrap.min.js"></script>
<script src="../assets/angularjs/angular.min.js"></script>
<script>
$(function () {
$('#myTab a:first').tab('show')
})
function languageKey($scope, $http)
{
$http({method: 'POST', url: 'de-DE.json'}).success(function(data)
{
$scope.language = data; //response Data
});
}
</script>
</body>
</html>
So thanks to some google-knownledge the part with the <div ng-repeat="lg in language.index.tabmenu"> works fine.
But much more common are language-keys that are just used once, without repeating html structure like in the above
<h1>{{ headline }}</h1>
(I've also tried <h1 ng-bind="{headline}"
So is there a leightweight way to just call those expressions?
Obviously it doesn't work if i try ng-model="language.index" in that case.

You just have to set your JSON object in your $scope element inside your controller, and you can use it in the view:
$scope.myJSON = {...};
In HTML
<h1>{{myJSON.index.headline }}</h1>
By the way, if you're implementing a multi-language application take a look at angular-translate.

If this works
<div ng-repeat="lg in language.index.tabmenu">
then as long as you load the parsed JSON object into the $scope the same way, this should output the headline:
<h1>{{ language.index.headline }}</h1>
The docs suggest that ng-model only works with inputs:
ngModel directive binds an input,select, textarea (or custom form control) to a property on the scope