Tutorial by Examples: ar

new Vue({ el:"#star-wars-people", data:{ people: null }, mounted: function(){ $.getJSON("http://swapi.co/api/people/", data => this.people = data.results); } }) Caution! Arrow functions are a syntax introduced in Ecmascript 2015. It is not yet supp...

new Vue({ el:"#app", data:{ foo: "bar" }, methods:{ // This is wrong! Arrow functions capture "this" lexically // and "this" will refer to the window. doSomething: () => this.foo = "baz" } })

Steps: Create Empty .Net Core Web App: Go to wwwroot, and create a normal html page called Index.html: Configure Startup.cs to accept static files (this will require to add "Microsoft.AspNetCore.StaticFiles": "1.0.0" library in the “project.json” file): ...

Install vue-cli: npm install -g vue-cli start a project like: vue init <template> <project-name> where <template>: webpack - A full-featured Webpack + vue-loader setup with hot reload, linting, testing & css extraction. webpack-simple - A simple Webpa...

In order to publish to a repository in Maven format ,“maven-publish” plugin for gradle can be used. The plugin should be added to build.gradle file in library module. apply plugin: 'maven-publish' You should define the publication and its identity attributes in build.gradle file too. This iden...

Install Xcode from the App Store. Install the Xcode developer tools > xcode-select --install This will provide basic command line tools such as gcc and make Install Mac Ports https://www.macports.org/install.php The OSX Sierra install package will provide an open-source method of ...

A library based on NETStandard 1.6 would look like this: { "version": "1.0.0", "dependencies": { "NETStandard.Library": "1.6.1", //nuget dependency }, "frameworks": { //frameworks the library is build for "netst...

A simple example of project configuration for a .NetCore 1.1 Console App { "version": "1.0.0", "buildOptions": { "emitEntryPoint": true // make sure entry point is emitted. }, "dependencies": { }, "tools": { }, ...

NSE functions should be used in interactive programming. However, when developping new functions in a new package, it's better to use SE version. Load dplyr and lazyeval : library(dplyr) library(lazyeval) Filtering NSE version filter(mtcars, cyl == 8) filter(mtcars, cyl < 6) filter(mtca...

Dictionary consists of key-value pairs.It is enclosed by curly braces {} and values can be assigned and accessed using square brackets[]. dic={'name':'red','age':10} print(dic) #will output all the key-value pairs. {'name':'red','age':10} print(dic['name']) #will output only value with 'nam...

In the following, weight is declared as a mutable field. type person = { name: string; mutable weight: int };; Remark: As far as design is concerned here, one would consider the fact that a person's name isn't likely to change, but their weight is.

Initializing a record with mutable fields isn't different from a regular record initialization. let john = { name = "John"; weight = 115 };;

Starting with version 2.7 ElementTree has a better support for XPath queries. XPath is a syntax to enable you to navigate through an xml like SQL is used to search through a database. Both find and findall functions support XPath. The xml below will be used for this example <Catalog> &l...

On the machine where you'd like to make the backup, jump to the Redis CLI: redis-cli Password? If your master Redis DB (the one you want to replicate) has a password: config set masterauth <password> Start replication Run the following to begin replication: SLAVEOF <host> <...

This example uses Icarus and GTKWave. Installation instructions for those tools on OSx are provided elsewhere on this page. Lets begin with the module design. This module is a BCD to 7 segment display. I have coded the design in an obtuse way simply to give us something that is easily broken and...

You should create functions in a controller like insert, update, delete, and clear cart etc. eg : for insert new item in cart write below code that accepts value. $cartItem = array( 'id' => 'MOTOG5', 'qty' => 5, 'price' => 100.99, 'name' => 'Motorola Moto G5 - 16 GB',...

func sampleWithCompletion(completion:@escaping (()-> ())){ let delayInSeconds = 1.0 DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + delayInSeconds) { completion() } } //Call the function sampleWithCompletion { print("after on...

enum ReadResult{ case Successful case Failed case Pending } struct OutpuData { var data = Data() var result: ReadResult var error: Error? } func readData(from url: String, completion: @escaping (OutpuData) -> Void) { var _data = OutpuData(data: Data(), ...

This shows you how to use Microsoft.Extensions.DependencyInjection nuget package without the use of the WebHostBuilder from kestrel (e.g. when you want to build something else then a webApp): internal class Program { public static void Main(string[] args) { var services = new Se...

/*! * \class MainMenuListView * \brief The MainMenuListView class is a QListView with a header displayed * on top. */ class MainMenuListView : public QListView { Q_OBJECT /*! * \class Header * \brief The header class is a nested class used to display the hea...