Tutorial by Examples: ev

One of the ways components can communicate with its ancestors/descendants is via custom communication events. All Vue instances are also emitters and implement a custom event interface that facilitates communication within a component tree. We can use the following: $on: Listen to events emitted ...

Returns a string value in reversed order. Parameters: string expression. Any string or binary data that can be implicitly converted to varchar. Select REVERSE('Sql Server') -- Returns 'revreS lqS'

This example is not tied to any concrete GUI toolkit, like reactive-banana-wx does, for instance. Instead it shows how to inject arbitary IO actions into FRP machinery. The Control.Event.Handler module provides an addHandler function which creates a pair of AddHandler a and a -> IO () values. Th...

In reactive-banana the Event type represents a stream of some events in time. An Event is similar to an analog impulse signal in the sense that it is not continuous in time. As a result, Event is an instance of the Functor typeclass only. You can't combine two Events together because they may fire a...

JasperSoft Studio In Preview, run report by clicking green arrow, if no errors the export menu will be enable, click the export button (disk image) and select "Export As Pdf"

Using Inline View (If it is considered updateable by Oracle) Note: If you face a non key preserved row error add an index to resolve the same to make it update-able UPDATE (SELECT TESTTABLE.TEST_COLUMN AS OLD, 'Testvalue' AS NEW FROM TESTTA...

Development usually begins with an editor or an Integrated Development Environment. The following IDEs are known to support Meteor to some extent: Atom - Javascript IDE that can fully leverage Meteor's isomorphic javascript framework. If you want to be able to hack on your editor itself, this i...

Developing Meteor apps usually means developing multi-client reactivity, which requires collaboration tools. The following tools have proven to be popular within the Meteor community. Google Hangouts - Video conferencing and chat. Zenhub.io - Kanban boards for GitHub. InVision - Collaborative ...

As long as you have an internet connection, you can read images from an hyperlink I=imread('https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-logo.png');

Create UIScrollView instance let scrollview = UIScrollView.init(frame: self.view.bounds) And then set these properties: scrollView.minimumZoomScale = 0.1 scrollView.maximumZoomScale = 4.0 scrollView.zoomScale = 1.0 scrollview.delegate = self as? UIScrollViewDelegate To zoom in and out im...

A container will stop if no command is running on the foreground. Using the -t option will keep the container from stopping, even when detached with the -d option. docker run -t -d debian bash

var numbers = [1,2,3,4,5]; var squares = numbers.map(function(x) { return x*x; }); // squares is [1,4,9,16,25]

var arr = [1, 2, 3, 4, 5]; var sum = arr.reduce((prev, curr) => prev + curr); console.log(sum); // Output: 15 You can also specify an initial value var arr = [1, 2, 3, 4, 5]; var sum = arr.reduce(function (previousValue, currentValue, currentIndex, array) { return previousValue + cur...

When an object is exposed to the template context, its arguments-less methods are available. This is useful when these functions are "getters". But it can be hazardeous if these methods alter some data or have some side effects. Eventhough you likely trust the template writer, he may not b...

When working with large files, you can use the System.IO.File.ReadLines method to read all lines from a file into an IEnumerable<string>. This is similar to System.IO.File.ReadAllLines, except that it doesn't load the whole file into memory at once, making it more efficient when working with l...

Me uses the current object instance. MyClass uses the memberdefinition in the class where the member is called Class Person Public Overridable Sub DoSomething() Console.WriteLine("Person") End Sub Public Sub useMe() Me.DoSomething() End Sub ...

In C, character constants and string literals are different things. A character surrounded by single quotes like 'a' is a character constant. A character constant is an integer whose value is the character code that stands for the character. How to interpret character constants with multiple charac...

0.18.0 Model is passed to subscriptions which means that every state change can modify subscriptions. import Html exposing ( Html, div, text, button ) import Html.Events exposing ( onClick ) import Time main : Program Never Model Msg main = Html.program { init = init ,...

Example below shows how to create a BroadcastReceiver which is able to receive BOOT_COMPLETED events. This way, you are able to start a Service or start an Activity as soon device was powered up. Also, you can use BOOT_COMPLETED events to restore your alarms since they are destroyed when device is ...

The pointer-events property allows for control over how HTML elements respond to mouse/touch events. .disabled { pointer-events: none; } In this example, 'none' prevents all click, state and cursor options on the specified HTML element [[1]] Other valid values for HTMl elements are: ...