Tutorial by Examples: w

Windows provides an explicit interface through which the winsound module allows you to play raw beeps at a given frequency and duration. import winsound freq = 2500 # Set frequency To 2500 Hertz dur = 1000 # Set duration To 1000 ms == 1 second winsound.Beep(freq, dur)
Using immutable locals: Uses less horizontal space but more vertical space than the "anonymous temporaries" template. Preferable over the "anonymous temporaries" template if the when expression is in a loop--in that case, regex definitions should be placed outside the loop. im...
Implementing the Behavior This behavior will cause mouse wheel events from an inner ScrollViewer to bubble up to the parent ScrollViewer when the inner one is at either its upper or lower limit. Without this behavior, the events will never make it out of the inner ScrollViewer. public class Bubbl...
Java code: public class StdioApplication { public static void main(String[] args) { new ClassPathXmlApplicationContext("classpath:spring/integration/stackoverflow/stdio/stdio.xml"); } } Xml config file <?xml version="1.0" encoding="UTF-8"?&...
This example demonstrates how to develop a simple UWP application. On creation of a "Blank App (Universal Windows)" project there are many essential files that are created in your solution. All files in your project can be seen in the Solution Explorer. Some of the crucial files in your...
using System; using System.Speech.Synthesis; using System.Windows; namespace Stackoverflow.SpeechSynthesisExample { public partial class SpeechSynthesisSample : Window { public SpeechSynthesisSample() { InitializeComp...
This example demonstrates how a cross origin http request can be handled using a middleware. CORS Background CORS is an access control method adopted by all major browsers to avert Cross Scripting Vulnerabilities inherent by them. In general browser security, scripts should maintain that all XHR r...
Conditional predicate will be cleaner and safer by using the NSCompoundPredicate class which provides basic boolean operators for the given predicates. Objective-c AND - Condition NSPredicate *predicate = [NSPredicate predicateWithFormat:@"samplePredicate"]; NSPredicate *anotherPre...
This code create a producer which send two messages to a queue, and a consumer which receives all the messages from that queue. Code for producer.py (using the pika 0.10.0 Python client): import pika connection = pika.BlockingConnection(pika.ConnectionParameters( host='localhost')) ch...
We assume a fully working UIScrollview named _scrollView; Note that UITableView, UICollectionView are also scrollviews, hence the following examples would work on those UI elements. First, creation & allocation UIRefreshControl refreshControl = new UIRefreshControl(); Second, connecting th...
You can import an SVG file as a VectorDrawable in Android Studio, follow these steps : "Right-click" on the res folder and select new > Vector Asset. Select the Local File option and browse to your .svg file. Change the options to your liking and hit next. Done.
This example assumes that you have already added Fresco to your app (see this example): SimpleDraweeView img = new SimpleDraweeView(context); ImageRequest request = ImageRequestBuilder .newBuilderWithSource(Uri.parse("http://example.com/image.png")) .setProgressiveRende...
Prerequiste steps: Get dotnet core for your platform: Dotnet Core Follow instructions and make sure dotnet core is working Get Visual Studio Code for your platform: VS Code Launch Visual Studio Code (VS code) and install the C# extension then reload Create self hosted NancyFx project: ...
A switch statement allows a variable to be tested for equality against a list of values. Each value is called a case, and the variable being switched on is checked for each switch case. A switch statement is often more concise and understandable than if...else if... else.. statements when testing m...
bcadd vs float+float var_dump('10' + '-9.99'); // float(0.0099999999999998) var_dump(10 + -9.99); // float(0.0099999999999998) var_dump(10.00 + -9.99); // float(0.0099999999999998) var_dump(bcadd('10', '-9.99', 20)); // string(22) "0.01000000000000000000&q...
Consider the following test: it('should test something', function() { browser.get('/dashboard/'); $("#myid").click(); expect(element(by.model('username')).getText()).toEqual('Test'); console.log("HERE"); }); In the following test, when the console.log() is ex...
Pre build controls to handle Grids, Inputs, Graphs, Trees, and so on. It supports an event model that preserves state over HTTP, which benefits line-of-business Web application development. The Web Forms-based application provides dozens of events that are supported in hundreds of server co...
It makes it easier to manage complexity by dividing an application into the model, the view, and the controller (Separation of concerns). It does not use view state or server-based forms. This makes the MVC framework ideal for developers who want full control over the behavior of an applica...
Razor (MVC)ASPX (Web Forms)The namespace used by the Razor View Engine is System.Web.RazorThe namespace used by the ASPX View Engine is System.Web.Mvc.WebFormViewEngineThe file extensions used by the Razor View Engine are different from a web form view engine. It uses cshtml with C# and vbhtml with ...
mkdir -p toplevel/sublevel_{01..09}/{child1,child2,child3} This will create a top level folder called toplevel, nine folders inside of toplevel named sublevel_01, sublevel_02, etc. Then inside of those sublevels: child1, child2, child3 folders, giving you: toplevel/sublevel_01/child1 toplevel/s...

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