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Use the Linq LongCount method to get the count of elements.The following is our string array −string[] emp = { "Jack", "Mark"};Now, use the LongCount() method.emp.AsQueryable().LongCount();Here is the complete code.Example Live Demousing System; using System.Collections.Generic; using System.Linq; class Demo { static void Main() { string[] emp = { "Jack", "Mark"}; long res = emp.AsQueryable().LongCount(); Console.WriteLine("{0} employees in the Department", res); } }Output2 employees in the Department
To debug CSS/JavaSript hover issues, you need to follow the below-given steps, Press F12 to open Inspect Element, in Firefox. In the DOM view right-click the element, and Select :hover, :active or :focus at the bottom of the context menuThe following screenshot shows how to debug hover issues −
The f is a lowercase suffix set while declaring a float. It tells the compiler that the literal is of a specific type.Example Live Demousing System.IO; using System; public class Program { public static void Main() { float val = 30.22f; Console.WriteLine(val); } }Output30.22Above, we have set the float using f suffix.IEnumerable res = val1.AsQueryable().Intersect(val2);
JoinBlocks the calling thread until a thread terminates, while continuing to perform standard COM and SendMessage pumping. This method has different overloaded forms.SleepMakes the thread pause for a period of time.AbortThe Abort method is used to destroy threads.Let us see an example of Join() in threading −Exampleusing System; using System.Diagnostics; using System.Threading; namespace Sample { class Demo { static void Run() { for (int i = 0; i < 2; i++) Console.Write("Sample text!"); } static void Main(string[] args) { ... Read More
The code while using anonymous functions is more readable when handlers are to be defined inside the calling code. Anonymous functions are declared inline. Normally, inline functions are better since they can access variables in the parent scopes.It allows for creating a function without any names identifier. It can be used as an argument to other functions. You can call them using a variable name.This is how JavaScript anonymous functions can be used −var func = function() { alert(‘This is anonymous'); } func();Here’s an example −//anonymous function var a = function() { return 5; }
To debug JavaScript on the iPad, you need to open the Safari browser.Now enable Web Inspector in iOS. In the Settings app, select Safari. Tap the Advanced option and start Web Inspector −Now select Web Inspector −Use a USB cable to connect the iPad to Mac. Safari opens and your iPad now visible in the DEVELOP Menu. After selecting, start debugging JavaScript.
You can use several Navigator related properties in your web page. The following are the properties −Sr.NoProperties & Description1javaEnabled()This method determines if JavaScript is enabled in the client. If JavaScript is enabled, this method returns true; otherwise, it returns false.2plugings.refreshThis method makes newly installed plug-ins available and populates the plugins array with all new plug-in names. Netscape only.3preference(name, value)This method allows a signed script to get and set some Netscape preferences. If the second parameter is omitted, this method will return the value of the specified preference; otherwise, it sets the value. Netscape only.4taintEnabled()This method returns true if data tainting ... Read More
If you have set a time using setTimeout() function, then you can clear it using the JavaScript clearTimeout() function.ExampleYou can try to run the following code learn how to implement clearTimeout() function in JavaScript − JavaScript Animation Click the buttons below to handle animation
Let us first declare a nested tuple.var tuple = Tuple.Create(100, 200, 300, 400, 500, 600, Tuple.Create(720, 750, 780), 800 );Above, we added a nested tuple using Tuple.Create.Now to display elements in a nested tuple, nest the Item properties. Sine 7th item in the tuple is nested, we will be using the following to get the nested items −tuple.Item7.Item1; tuple.Item7.Item2; tuple.Item7.Item3;Let us see the complete code.Example Live Demousing System; public class Program { public static void Main() { var tuple = Tuple.Create(100, 200, 300, 400, 500, 600, Tuple.Create(720, 750, 780), 800 ); Console.WriteLine(tuple.Item1); ... Read More
To list down all the plug-on installed in the web browser, use the JavaScript navigator object. The JavaScript navigator object includes a child object called plugins. This object is an array, with one entry for each plug-in installed on the browser.ExampleYou can try to run the following code to list down all the plug-in installed in your browser − List of Plug-Ins Plug-in Name Filename Description for (i = 0; i < navigator.plugins.length; i++) { document.write(""); document.write(navigator.plugins[i].name); document.write(""); document.write(navigator.plugins[i].filename); document.write(""); document.write(navigator.plugins[i].description); document.write(""); }