Set tuple as a method parameter in C#

Arjun Thakur
Updated on 23-Jun-2020 06:51:59

3K+ Views

Firstly, set a tuplevar tuple = Tuple.Create(100, 200, 300);Now, pass the tuple as a method parameter −Show(tuple);Here’s our method.static void Show(Tuple tuple)Now call the tuple values one by one as shown below −Example Live Demousing System; public class Program {    public static void Main() {       var tuple = Tuple.Create(100, 200, 300);       Show(tuple);    }    static void Show(Tuple tuple) {       Console.WriteLine(tuple.Item1);       Console.WriteLine(tuple.Item2);       Console.WriteLine(tuple.Item3);    } }Output100 200 300

C# Program to display the first element from an array

Ankith Reddy
Updated on 23-Jun-2020 06:51:22

1K+ Views

The following is our array −double[] myArr = {20.5, 35.6, 45.7, 55.6, 79.7};To get the first element, use the First() method.myArr.AsQueryable().First();Let us see the complete code −Example Live Demousing System; using System.Linq; using System.Collections.Generic; class Demo {    static void Main() {       double[] myArr = {20.5, 35.6, 45.7, 55.6, 79.7};       double res = myArr.AsQueryable().First();       Console.WriteLine(res);    } }Output20.5

Where can I find documentation on formatting a date in JavaScript?

Krantik Chavan
Updated on 23-Jun-2020 06:50:58


The Date object is a datatype built into the JavaScript language. Date objects are created with the new Date( ) as shown below −new Date( ) new Date(milliseconds) new Date(datestring) new Date(year, month, date[, hour, minute, second, millisecond ])The following method is used to Manipulate Dates in JavaScript −Sr.NoMethod & Description1Date()Returns today's date and time2getDate()Returns the day of the month for the specified date according to local time.3getDay()Returns the day of the week for the specified date according to local time.4getFullYear()Returns the year of the specified date according to local time.5getHours()Returns the hour in the specified date according to local ... Read More

Convert Decimal to Int64 (long) in C#

Samual Sam
Updated on 23-Jun-2020 06:50:42

3K+ Views

Use the Convert.ToInt64() method to convert Decimal to Int64 (long) in C#.Let’s say we have a decimal variable.decimal d = 310.23m;Now to convert it to Int64, use the Convert.ToInt64() method.long res; res = Convert.ToInt64(d);Let us see another example −Example Live Demousing System; class Demo {    static void Main() {       decimal d = 190.66m;       long res;       res = Convert.ToInt64(d);       Console.WriteLine("Converted Decimal '{0}' to Int64 value {1}", d, res);    } }OutputConverted Decimal '190.66' to Int64 value 191

What is the best way to do optional function parameters in JavaScript?

Nishtha Thakur
Updated on 23-Jun-2020 06:49:42


To include optional function parameters in JavaScript, you can try the following,function myFunc(a, b = 0) {    // function body }ExampleYou can try to run the following code to learn how to include optional function parameters −                    // default is set to 1          function inc(val1, inc = 1) {             return val1 + inc;          }                    document.write(inc(10,10));          document.write("");          document.write(inc(10));          

How can I check if a JavaScript function is defined?

Sravani S
Updated on 23-Jun-2020 06:48:39


To check if a JavaScript function is defined or not, checks it with “undefined”.ExampleYou can try to run the following example to check for a function is defined or not in JavaScript −                    function display() {             alert("Demo Text!");          }          if ( typeof(display) === 'undefined') {             document.write('undefined');          } else {             document.write("Function is defined");          }          

How to debug JavaScript in Visual Studio?

Nancy Den
Updated on 23-Jun-2020 06:47:21

2K+ Views

To debug JavaScript in Visual Studio, follow the below-given steps −Open Visual StudioSelect your project to be debugged in Solution Explorer.Right Click and select Browse With, and set a default browser.Now, go to START and type Internet Options.Above, uncheck both the options for Disable script debugging.Click Apply, and then Ok.Now set breakpoints in your JS file.After that press the debug button in Visual Studio.

What are common HTML Events supported by JavaScript?

Jennifer Nicholas
Updated on 23-Jun-2020 06:45:25


The following are some of the common HTML events supported by JavaScript −AttributeValueDescriptiononclickscriptTriggers on a mouse clickoncontextmenuscriptTriggers when a context menu is triggeredondblclickscriptTriggers on a mouse double-clickondragscriptTriggers when an element is draggedondragendscriptTriggers at the end of a drag operationondragenterscriptTriggers when an element has been dragged to a valid drop targetondragleavescriptTriggers when an element is being dragged over a valid drop targetondragoverscriptTriggers at the start of a drag operationondragstartscriptTriggers at the start of a drag operationondropscriptTriggers when dragged element is being droppedondurationchangescriptTriggers when the length of the media is changed

What are JavaScript Identifiers?

Smita Kapse
Updated on 23-Jun-2020 06:44:09

3K+ Views

JavaScript Identifiers are names given to variables, functions, etc. It is the same as identifiers in other programming languages like C, C++, Java, etc. Let’s see identifiers for variable names.The following are legal variable names −val val1 resultWhile naming your variables in JavaScript, keep the following rules in mind.You should not use any of the JavaScript reserved keywords as a variable name. These keywords are mentioned in the next section. For example, break or boolean variable names are not valid.JavaScript variable names should not start with a numeral (0-9). They must begin with a letter or an underscore character. For ... Read More

How do I get started with Node.js?

Anvi Jain
Updated on 23-Jun-2020 06:41:12


To get started with Node.js, you need to first set its environment. If you are still willing to set up your environment for Node.js, you need the following two software available on your computer, (a) Text Editor and (b) The Node.js binary installable.Let’s see how to install Node.js binary distribution on Windows. Download the latest version of Node.js installable archive file from Node.js official website.Use the MSI file and follow the prompts to install the Node.js. By default, the installer uses the Node.js distribution in “C:\Program Filesodejs”. The installer should set the “C:\Program Filesodejs\bin” directory in the window's PATH environment variable. ... Read More