Tutorial by Examples: v

Overriding properties (both read-only and mutable): abstract class Car { abstract val name: String; open var speed: Int = 0; } class BrokenCar(override val name: String) : Car() { override var speed: Int get() = 0 set(value) { throw UnsupportedOpera...

When Vim opens a file with <CR><NL> line endings (common on MSDOS based operating systems, also called CRLF) it will set fileformat to dos, you can check what with: :set fileformat? fileformat=dos Or just :set ff? fileformat=dos To convert it to <NL> line endings (com...

require(['N/search'], function(SEARCHMODULE){ var savedSearchId = 'customsearch_mySavedSearch'; var mySearch = SEARCHMODULE.load(savedSearchId); var resultset = mySearch.run(); var results = resultset.getRange(0, 1000); for(var i in results){ var result = results[i]...

UI-Router exposes transition events that can be helpful for handling transition errors, handling/blocking transitions based on certain parameter values, custom authentication etc.. These events can be bound to $rootScope for a global effect or to $scope for a per controller effect. $stateChangeE...

function getGoogleDriveFileById(id) { var file; file = DriveApp.getFileById(id);//Returns a file - The "id" must be a string //One way to manually get a file ID // - Open the file from Google Drive // - The file ID is in the URL in the browsers address bar //https...

In a procedure with native compilation, T-SQL code is compiled to dll and executed as native C code. To create a Native Compiled stored Procedure you need to: Use standard CREATE PROCEDURE syntax Set NATIVE_COMPILATION option in stored procedure definition Use SCHEMABINDING option in stored pro...

Code in natively compiled function will be transformed into C code and compiled as dll. To create a Native Compiled scalar function you need to: Use standard CREATE FUNCTION syntax Set NATIVE_COMPILATION option in function definition Use SCHEMABINDING option in function definition Instead of...

Native compiled table value function returns table as result. Code in natively compiled function will be transformed into C code and compiled as dll. Only inline table valued functions are supported in version 2016. To create a native table value function you need to: Use standard CREATE FUNCTIO...

Add a :cljsbuild node like the following to your project.clj file. :cljsbuild { :builds { ;;Different target goals should have different names. ;;We have the dev build here :dev { ;;The ClojureScript c...

The most common and flexible way to create a service uses the angular.module API factory: angular.module('myApp.services', []).factory('githubService', function() { var serviceInstance = {}; // Our first service return serviceInstance; }); The service factory function can be ...

The easiest way to import CarouselView is to use the NuGet-Packages Manager in Xamarin / Visual studio: To use pre-release packages, make sure you enable the 'Show pre-release packages' checkbox at the left corner. Each sub-project (.iOS/.droid./.WinPhone) must import this package.

The basics In the heading of ContentPage, insert following line: xmlns:cv="clr-namespace:Xamarin.Forms;assembly=Xamarin.Forms.CarouselView" Between the <ContentPage.Content> tags place the CarouselView: <cv:CarouselView x:Name="DemoCarouselView"> </cv:Carous...

import cv2 import numpy as np img = cv2.imread('<your_image>') gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) cv2.imshow('image', img) cv2.imshow('gray', gray) cv2.waitKey(0) cv2.destroyAllWindows()

django-filter is generic system for filtering Django QuerySets based on user selections. The documentation uses it in a function-based view as a product model: from django.db import models class Product(models.Model): name = models.CharField(max_length=255) price = models.DecimalField(...

Create a new browser bookmark, for example, in Chrome click the star icon at the right in the address bar, make sure the Folder is Bookmarks Bar, and then click the Edit... button: In the edit box that opens paste the following code as the URL: javascript:(function(){var root=(window.location.pa...

If you were to hide a link by setting display: none in the CSS then screen readers wouldn’t find it. Instead, we position it absolutely, with clipping. CSS .offscreen { position: absolute; clip: rect(1px 1px 1px 1px); /* for Internet Explorer */ clip: rect(1px, 1px, 1px, 1px); padding: 0; b...

To open a new WebSocket, simply add something like: var WebSocket = require("ws"); var ws = new WebSocket("ws://host:8080/OptionalPathName); // Continue on with your code... Or to open a server, use: var WebSocketServer = require("ws").Server; var ws = new WebSocketS...

var WebSocketServer = require('ws').Server , wss = new WebSocketServer({ port: 8080 }); // If you want to add a path as well, use path: "PathName" wss.on('connection', function connection(ws) { ws.on('message', function incoming(message) { console.log('received: %s', message); ...

1. Include the font in your Xcode project. 2. Make sure that they are included in the Target Membership column Click on the font from the navigator, and check if the font included. 3. Check if the font included as Resource in your bundle click on your Xcode project file, select "Build P...

After you obtained BluetoothDevice, you can communicate with it. This kind of communication performed by using socket input\output streams: Those are the basic steps for Bluetooth communication establishment: 1) Initialize socket: private BluetoothSocket _socket; //... public InitializeSock...