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To check if a given value exists in a set, use .has() method: mySet.has(someVal); Will return true if someVal appears in the set, false otherwise.

Right-Click -> Manage NuGet Packages Search for Microsoft.TypeScript.MSBuild Hit Install When install is complete, rebuild! More details can be found at Package Manager Dialog and using nightly builds with NuGet

cat >file It will let you write the text on terminal which will be saved in a file named file. cat >>file will do the same, except it will append the text to the end of the file. N.B: Ctrl+D to end writing text on terminal (Linux) A here document can be used to inline the content...

Often times, responsive web design involves media queries, which are CSS blocks that are only executed if a condition is satisfied. This is useful for responsive web design because you can use media queries to specify different CSS styles for the mobile version of your website versus the desktop ver...

Changing some CSS attribute will trigger the browser to synchronously calculate the style and layout, which is a bad thing when you need to animate at 60fps. DON'T Animate with left and top trigger layout. #box { left: 0; top: 0; transition: left 0.5s, top 0.5s; position: absolute; ...

Instantiating a socket can be done in various ways. by 2 line declaration & instantiation: First we need to define a variable which will hold a Socket class object: Socket socket; then we can create a Socket class object: socket = new Socket(); We can also make a one line defin...

Alternate return is a facility to control the flow of execution on return from a subroutine. It is often used as a form of error handling: real x call sub(x, 1, *100, *200) print*, "Success:", x stop 100 print*, "Negative input value" stop 200 print*, "Input va...

Unit Test Unit tests are used to ensure that your code has no syntax error and to test the logic of your code to work as what you expected. Quick example: src/AppBundle/Calculator/BillCalculator.php <?php namespace AppBundle\Calculator; use AppBundle\Calculator\TaxCalculator; class Bi...

To add/subtract time, use POSIXct, since it stores times in seconds ## adding/subtracting times - 60 seconds as.POSIXct("2016-01-01") + 60 # [1] "2016-01-01 00:01:00 AEDT" ## adding 3 hours, 14 minutes, 15 seconds as.POSIXct("2016-01-01") + ( (3 * 60 * 60) + (14 ...

Steps to create Hello Spring: Investigate Spring Boot to see if that would better suit your needs. Have a project set up with the correct dependencies. It is recommended that you are using Maven or Gradle. create a POJO class, e.g. Employee.java create a XML file where you can define your clas...

Logistic regression is a particular case of the generalized linear model, used to model dichotomous outcomes (probit and complementary log-log models are closely related). The name comes from the link function used, the logit or log-odds function. The inverse function of the logit is called the lo...

You can install ServiceStack in 3 ways: Complete Visual studio templates (Self hosted) Start from scratch run ServiceStack Self hosted (Console App) Run ServiceStack inside Asp.net MVC. Complete visual studio templates You can find info about these here: https://github.com/ServiceStack/Ser...

Natively, Jenkins runs on port 8080. We can establish a proxy from port 80 -> 8080 so Jenkins can be accessed via: http://<url>.com instead of the default http://<url>.com:8080 Begin by installing Nginx. sudo aptitude -y install nginx Remove the default settings for Nginx c...

itertools.combinations will return a generator of the k-combination sequence of a list. In other words: It will return a generator of tuples of all the possible k-wise combinations of the input list. For Example: If you have a list: a = [1,2,3,4,5] b = list(itertools.combinations(a, 2)) print ...

import java.io.*; import java.net.Socket; public class Main { public static void main(String[] args) throws IOException {//We don't handle Exceptions in this example //Open a socket to stackoverflow.com, port 80 Socket socket = new Socket("stackoverflow.com",8...

The HTML attribute contenteditable provides a simple way to turn a HTML element into a user-editable area <div contenteditable>You can <b>edit</b> me!</div> Native Rich-Text editing Using JavaScript and execCommandW3C you can additionally pass more editing features to th...

To start tinkering with Roslyn you will need the following NuGet packages: The C# and VB compilers - Microsoft.Net.Compilers. To install it you can run the following command in the Package Manager Console: nuget install Microsoft.Net.Compilers The Language APIs and Services - Microsoft.Co...

For the sake of this example, it is assumed the user is running Jetty as a distribution. For information on how to run Jetty as an embedded web server, please refer to the official documentation. Jetty can be downloaded from here and is available in both .zip and .gzip formats. Current versions of ...

XSD, XML Schema Definition, is a language which describes the structure of XML documents. XSD files can be used to validate an XML file. The process of doing this will depend on what you choose to implement it with. Care should be taken to ensure the validation engine you use is compatible with the ...

Generic parameters can also be bound to more than one type using the T extends Type1 & Type2 & ... syntax. Let's say you want to create a class whose Generic type should implement both Flushable and Closeable, you can write class ExampleClass<T extends Flushable & Closeable> { }...