Tutorial by Examples: st

To install Cucumber for use with Ruby simply use the command gem install cucumber Alternatively, if you are using bundler, you can add the following line to your Gemfile gem 'cucumber' And then run bundler bundle install [I think this belongs in its own topic, Installation. I created tha...

You can organize the execution of your instrumented unit tests defining a Suite. /** * Runs all unit tests. */ @RunWith(Suite.class) @Suite.SuiteClasses({MyTest1.class , MyTest2.class, MyTest3.class}) public class AndroidTestSuite {} Then in AndroidStudio you can run...

Tableau offers a 2 week free trial for all of their licensed products. Tableau also offers licenses to Students for free here and nearly free Desktop licenses for non-profit organizations here. To get started with a free trial, navigate to Tableau Products to see a list of their offerings which inc...

d3.js doesn't have a .off() method to detatch existent event listeners. In order to remove an event handler, you have to set it to null: d3.select('span').on('click', null)

when can be used to match enum values: enum class Day { Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday } fun doOnDay(day: Day) { when(day) { Day.Sunday -> // Do something Day.Monday, Day.Tuesday -> // Do oth...

3.0 Beginning with PowerShell 3.0, you can download and update the offline help documentation using a single cmdlet. Update-Help To update help on multiple computers (or computers not connected to the internet). Run the following on a computer with the help files Save-Help -DestinationPath ...

Detailed instructions on getting nopcommerce set up or installed.

Private Sub Get_Last_Used_Row_Index() Dim wS As Worksheet Set wS = ThisWorkbook.Sheets("Sheet1") Debug.Print LastCol_1(wS) Debug.Print LastCol_0(wS) End Sub You can choose between 2 options, regarding if you want to know if there is no data in the worksheet :...

The simplest way to refer to a single cell on the current Excel worksheet is simply to enclose the A1 form of its reference in square brackets: [a3] = "Hello!" Note that square brackets are just convenient syntactic sugar for the Evaluate method of the Application object, so technicall...

NSDictionary can be enumerated using fast enumeration, just like other collection types: NSDictionary stockSymbolsDictionary = @{ @"AAPL": @"Apple", @"GOOGL": @"Alphabet", ...

To begin, npm install the desired loaders for your project. Inside of the configuration object that is being exported in webpack.config.js, a module property will hold all of your loaders. const source = `${__dirname}/client/src/`; module.exports = { // other settings here module: { ...

The pattern (p1, p2) is strict in the outermost tuple constructor, which can lead to unexpected strictness behaviour. For example, the following expression diverges (using Data.Function.fix): fix $ \(x, y) -> (1, 2) since the match on (x, y) is strict in the tuple constructor. However, the fo...

Include using System.Numerics and add a reference to System.Numerics to the project. using System; using System.Numerics; namespace Euler_25 { class Program { static void Main(string[] args) { BigInteger l1 = 1; BigInteger l2 = 1; ...

The Java Collections Framework provides two related methods for all Collection objects: size() returns the number of entries in a Collection, and isEmpty() method returns true if (and only if) the Collection is empty. Both methods can be used to test for collection emptiness. For example: C...

var firstItem = fetch("/api1").then(x => x.json()); var secondItem = fetch("/api2").then(x => x.json()); Promise.all([firstItem, secondItem]).spread((first, second) => { // access both results here, both requests completed at this point });

Several 'insert' functions can "burn" ids. Here is an example, using InnoDB (other Engines may work differently): CREATE TABLE Burn ( id SMALLINT UNSIGNED AUTO_INCREMENT NOT NULL, name VARCHAR(99) NOT NULL, PRIMARY KEY(id), UNIQUE(name) ) ENGINE=InnoDB; IN...

to check if the given path exists path = '/home/john/temp' os.path.exists(path) #this returns false if path doesn't exist or if the path is a broken symbolic link

A class or struct can have member functions as well as member variables. These functions have syntax mostly similar to standalone functions, and can be defined either inside or outside the class definition; if defined outside the class definition, the function's name is prefixed with the class' nam...

One of the primary uses for this cv-qualifiers is const correctness. This is the practice of guaranteeing that only accesses that need to modify an object are able to modify the object, and that any (member or non-member) function that doesn't need to modify an object doesn't have write access to t...

Starting a DSC on a remote machine is almost just as simple. Assuming you've already set up Powershell remoting (or enabled WSMAN). $remoteComputer = "myserver.somedomain.com" $cred = (Get-Credential) Start-DSCConfiguration -ServerName $remoteComputer -Credential $cred -Verbose Nb: A...