Tutorial by Examples: st

Builders can be defined as a set of extension functions taking lambda expressions with receivers as arguments. In this example, a menu of a JFrame is being built: import javax.swing.* fun JFrame.menuBar(init: JMenuBar.() -> Unit) { val menuBar = JMenuBar() menuBar.init() setJMe...

Triggers are an easy way to add some UX responsiveness to your application. One easy way to do this is to add a Trigger which changes a Label's TextColor based on whether its related Entry has text entered into it or not. Using a Trigger for this allows the Label.TextColor to change from gray (when...

AutoIt is intended for use on the Microsoft Windows operating system. It is compatible with versions from Windows XP onwards. Download the installation utility from https://www.autoitscript.com/site/autoit/downloads/ If installing on a 64-bit version of Windows, the user is prompted to choose a 6...

From the Tools menu, select NuGet Package Manager > Package Manager Console. In the Package Manager Console window, type: Install-Package Microsoft.AspNet.Odata This command installs the latest OData NuGet packages.

Symfony REST Edition is a fully-functional Symfony2 application that you can use as the skeleton for your new applications. Available on Github It comes pre-configured with the following bundles: BundleDescriptionFrameworkBundleThe core Symfony framework bundle.SensioFrameworkExtraBundleAdds seve...

To create a new collection "class": var Books = Backbone.Collection.extend({ // books will be sorted by title comparator: "title", initialize: function(models, options) { options = options || {}; // (Optional) you can play with the models her...

We can provide a meaningful name for our constructors. We can provide several constructors with the same number and type of parameters, something that as we saw earlier we can’t do with class constructors. public class RandomIntGenerator { private final int min; private final int max; ...

We can avoid providing direct access to resource intensive constructors, like for databases. public class DbConnection { private static final int MAX_CONNS = 100; private static int totalConnections = 0; private static Set<DbConnection> availableConnections = new HashSet<DbConnectio...

Get localized product information from a set of product identifier strings using SKProductsRequest: import StoreKit let productIdentifierSet = Set(["yellowSubmarine", "pennyLane"]) let productsRequest = SKProductsRequest(productIdentifiers: productIdentifierSet) In order ...

ProGuard allows the developer to obfuscate, shrink and optimize his code. #1 The first step of the procedure is to enable proguard on the build. This can be done by setting the 'minifyEnabled' command to true on your desired build #2 The second step is to specify which proguard files are we using...

Create an HTML file (in this example libraries/turf.html) with the library you want to load: <script src="../../bower_components/turf/turf.min.js"></script> Import the HTML file (libraries/turf.html) in your component with the rest of your imports: <link rel...

def make_unicode(data): if type(data) != unicode: data = data.decode('utf-8') return data else: return data

When your Bluetooth LE Watcher's callback is triggered, the eventArgs include an RSSI value telling you the received signal strength (how strong the private async void OnAdvertisementReceived(BluetoothLEAdvertisementWatcher watcher, BluetoothLEAdvertisementReceivedEventArgs eventArgs) { // Th...

It depends on kind of hosting that you have: If you have SSH console, then you can do it on hosting after step 2, if you haven't then do it locally: run command php app/console cache:clear --env=prod'. Suppose you have on you hosting folders youdomain/public_html, so in public_html m...

As previous example, this script request elevation if needed. We ask the user for credentials avoiding the UAC prompt. @echo off cls & set "user=" & set "pass=" :: check if we have administrative access :: ----------------------------------------------------------...

puts "Hello readers".reverse # => "sredaer olleH" class String def reverse "Hell riders" end end puts "Hello readers".reverse # => "Hell riders"

class String def fancy "~~~{#{self}}~~~" end end puts "Dorian".fancy # => "~~~{Dorian}~~~"

Bootstrap components are a collection of optional jQuery plugins which bundled with Bootstrap. The purpose of Bootstrap components is to provide extended features and capabilities which would be difficult (or impossible) to accomplish without the use of Javascript. Some components provide are pure...

DateUtils.formatDateTime() allows you to supply a time, and based on the flags you provide, it creates a localized datetime string. The flags allow you to specify whether to include specific elements (like the weekday). Date date = new Date(); String localizedDate = DateUtils.formatDateTime(contex...

Format a date: Date date = new Date(); DateFormat df = DateFormat.getDateInstance(DateFormat.MEDIUM); String localizedDate = df.format(date) Format a date and time. Date is in short format, time is in long format: Date date = new Date(); DateFormat df = DateFormat.getDateTimeInstance(DateFor...