Tutorial by Examples: ce

If you want to instantiate an instance of user control inside ASPX code behind page, you need to write user control declaration on Page_Load event as follows: public partial class Default : System.Web.UI.Page { protected void Page_Load(Object sender, EventArgs e) { Control contr...

Moq provides support for validating call order using MockSequence, however it only works when using Strict mocks. So, Given the following method to test: public void MethodToTest() { _utility.Operation1("1111"); _utility.Operation2("2222"); _utility.Operation3(&...

Assume that we are using Page object model. Page Object class: import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.firefox.FirefoxDriver; import org.openqa.selenium.support.FindBy; import org.openqa.selenium.support.PageFactory; public cla...

The C extension is an optional feature of Twig that offers some performance improvements of template rendering. The source code for the extension is located in the Twig source code directory at ext/twig. It compiles like any other PHP extentension: cd ext/twig phpize ./configure make make insta...

Python xlrd library is to extract data from Microsoft Excel (tm) spreadsheet files. Installation:- pip install xlrd Or you can use setup.py file from pypi https://pypi.python.org/pypi/xlrd Reading an excel sheet:- Import xlrd module and open excel file using open_workbook() method. import x...

from selenium import webdriver # Create a new webdriver driver = webdriver.Chrome() # Get a page that has a popup window (Use mouse to click "try it" button) driver.get("http://www.w3schools.com/js/tryit.asp?filename=tryjs_alert") # Accept the opened alert driver.switch_t...

In this example we have a service, let's call it search service that has a method called search() which will initiate a get request to a back end API. function SearchService($http) { const service = {}; service.search = function() { return $http({method: 'GET', url: `/api/s...

function calculatorService() { const service = {}; service.add = function(a,b) { return a + b } return service; } angular.module('app').factory('calculatorService', calculatorService); Testing describe('calculator service', function() { var calcula...

If you've got multiple implementations of the same interface, Spring needs to know which one it should autowire into a class. I'm going to use a Validator pattern in this example.1 Foo Class: public class Foo { private String name; private String emailAddress; private String erro...

If you've got an interface with a generic type parameter, Spring can use that to only autowire implementations that implement a type parameter you specify. Interface: public interface GenericValidator<T> { public T validate(T object); } Foo Validator Class: @Component public class...

The Windows SDK includes a suite of performance profiling tools for Windows Presentation Foundation (WPF) applications called the WPF Performance Suite. The WPF Performance Suite enables you to analyze the run-time behavior of your WPF applications and determine performance optimizations that you ca...

Several Qt Objects and Containers use a concept calles implicit sharing, which can also be refered to as copy-on-write. Implicit sharing means that the classes who use this concept share the same data on initialization. One of these classes to use the concept is QString. QString s1("Hello Wo...

There are many classes available in CIM and WMI which are separated into multiple namespaces. The most common (and default) namespace in Windows is root/cimv2. To find the righ class, it can useful to list all or search. List available classes You can list all available classes in the default name...

When Java annotations were first introduced there was no provision for annotating the target of an instance method or the hidden constructor parameter for an inner classes constructor. This was remedied in Java 8 with addition of receiver parameter declarations; see JLS 8.4.1. The receiver param...

AlchemyLanguage can detect general concepts referenced in your content. The service returns Linked Data links for each concept and a URL to a relevant website when possible. This example requires AlchemyLanguage service credentials and Node.js Use a command-line interface to install the Wats...

// this function add custom interval (5 minutes) to the $schedules function five_minutes_interval( $schedules ) { $schedules['five_minutes'] = array( 'interval' => 60 * 5, 'display' => '5 minutes'; ); return $schedules; } // add a custom in...

Classes implement an interface to meet the interface's contract. For example, a C# class may implement IDisposable, public class Resource : IDisposable { private MustBeDisposed internalResource; public Resource() { internalResource = new MustBeDisposed(); } ...

If you need to check if your testing method takes too long to execute, you can do that by mentioning your expected execution time using timeout property of @Test annotation. If the test execution takes longer than that number of milliseconds it causes a test method to fail. public class StringConca...

Slices are pointers to arrays, with the length of the segment, and its capacity. They behave as pointers, and assigning their value to another slice, will assign the memory address. To copy a slice value to another, use the built-in copy function: func copy(dst, src []Type) int (returns the amount o...

myfunc(){ echo "I will never be executed." } another_func(){ # this "redeclare" overwrites original function myfunc(){ echo "I am the one and only"; } } # myfunc will print "I will never be executed" myfunc # but if we call another_func fi...