Tutorial by Examples: ev

$scope.$emit Using $scope.$emit will fire an event name upwards through the scope hierarchy and notify to the $scope.The event life cycle starts at the scope on which $emit was called. Working wireframe : $scope.$broadcast Using $scope.$broadcast will fire an event down the $scope. We can list...

package { import flash.events.Event; public class CustomEvent extends Event { public static const START:String = "START"; public static const STOP:String = "STOP"; public var data:*; public function CustomEvent(type:Strin...

yii migrate/down # revert the most recently applied migration yii migrate/down 3 # revert the most 3 recently applied migrations

Once registered a dependency can be retrieved by adding parameters on the Controller constructor. // ... using System; using Microsoft.Extensions.DependencyInjection; namespace Core.Controllers { public class HomeController : Controller { public HomeController(ITestServic...

Here is how to make a Heads Up Notification for capable devices, and use a Ticker for older devices. // Tapping the Notification will open up MainActivity Intent i = new Intent(this, MainActivity.class); // an action to use later // defined as an app constant: // public static final String ME...

Swift class FooViewController: UIViewController { override func loadView() { view = FooView() } }

Remote Validation used to check whether the content enter in the input control is valid or not by sending an ajax request to server side to check it. Working The RemoteAttribute works by making an AJAX call from the client to a controller action with the value of the field being validated. The con...

var dict = ["name": "John", "surname": "Doe"] // Set the element with key: 'name' to 'Jane' dict["name"] = "Jane" print(dict)

To install Eclipse RCP follow the steps : Download Eclipse RCP/RAP version from Eclipse.org Eclipse RCP/RAP project downloading URL

There are times in which it is desirable to consolidate factor levels into fewer groups, perhaps because of sparse data in one of the categories. It may also occur when you have varying spellings or capitalization of the category names. Consider as an example the factor set.seed(1) colorful <...

To retrieve a list of all servers registered on the instance: EXEC sp_helpserver;

package { import flash.events.EventDispatcher; public class AbstractDispatcher extends EventDispatcher { public function AbstractDispatcher(target:IEventDispatcher = null) { super(target); } } } To dispatch an event on an instance: var dispatcher:AbstractDispatcher =...

With Maven you can create Vaadin project with vaadin-archetype-application archetype. You can also add that archetype in IDE to create maven project with IDE. mvn archetype:generate -DarchetypeGroupId=com.vaadin -DarchetypeArtifactId=vaadin-archetype-application -DarchetypeVersion=7....

The void operator evaluates the given expression and then returns undefined. Syntax: void expression Returns: undefined Description The void operator is often used to obtain the undefined primitive value, by means of writing void 0 or void(0). Note that void is an operator, not a functio...

When SQL/Plus or SQL Developer display dates they will perform an implicit conversion to a string using the default date format model (see the Setting the Default Date Format Model example). You can change how a date is displayed by changing the NLS_DATE_FORMAT parameter.

The difference between size and count is: size counts NaN values, count does not. df = pd.DataFrame( {"Name":["Alice", "Bob", "Mallory", "Mallory", "Bob" , "Mallory"], "City":["Seattle", &q...

addEventListener(Event.ENTER_FRAME,moveChild); function moveChild(e:Event):void { childMC.x++; if (childMC.x>1000) { gotoAndStop(2); } } This example will move the childMC (added to Main at design time) but will instantly throw a 1009 as soon as gotoAndStop() is invok...

The view-model is the "VM" in MVVM. This is a class that acts as a go-between, exposes the model(s) to the user interface (view), and handling requests from the view, such as commands raised by button clicks. Here is a basic view-model: public class CustomerEditViewModel { /// <s...

The View is the "V" in MVVM. This is your user interface. You can use the Visual Studio drag-and-drop designer, but most developers eventually end up coding the raw XAML - an experience similar to writing HTML. Here is the XAML of a simple view to allow editing of a Customer model. Rather...

This query will return all COLUMNS and their associated TABLES for a given column name. It is designed to show you what tables (unknown) contain a specified column (known) SELECT c.name AS ColName, t.name AS TableName FROM sys.columns c JOIN sys.tables t ON c.object_id = t.o...