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int [] arr = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; for(int value : arr) { System.out.print(value); System.out.print("\n"); } *Note that the Java foreach is just a for loop with different syntax. Some languages do this and some such as C# use foreach.

Install node modules npm install express npm install socket.io Node.js server const express = require('express'); const app = express(); const server = app.listen(3000,console.log("Socket.io Hello World server started!")); const io = require('socket.io')(server); io.on('connec...

Classes have a local scope during definition, but functions inside the class do not use that scope when looking up names. Because lambdas are functions, and comprehensions are implemented using function scope, this can lead to some surprising behavior. a = 'global' class Fred: a = 'class' ...

$> pwd /home/myUserHome $> cd .. $> pwd /home will print the current path to the console.

Well, if you want a switch/case construct, the most straightforward way to go is to use the good old if/else construct: def switch(value): if value == 1: return "one" if value == 2: return "two" if value == 42: return "the answer to...

SQL has various join types to specify whether (non-)matching rows are included in the result: INNER JOIN, LEFT OUTER JOIN, RIGHT OUTER JOIN, and FULL OUTER JOIN (the INNER and OUTER keywords are optional). The figure below underlines the differences between these types of joins: the blue area repres...

I created custom label with wrapper around FormattedText property: public class MultiComponentLabel : Label { public IList<TextComponent> Components { get; set; } public MultiComponentLabel() { var components = new ObservableCollection<TextComponent>(); ...

It is possible to perform ViewActions on a view using the perform method. The ViewActions class provides helper methods for the most common actions, like: ViewActions.click() ViewActions.typeText() ViewActions.clearText() For example, to click on the view: onView(...).perform(click()); onVi...

With the ViewMatchers you can find view in the current view hierarchy. To find a view, use the onView() method with a view matcher which selects the correct view. The onView() methods return an object of type ViewInteraction. For example, finding a view by its R.id is as simple as: onView(withId(...

It redeclares a member that is not overridable. Only calls to the instance will be affected. Code inside the base classes will not be affected by this. Public Class Person Public Sub DoSomething() Console.WriteLine("Person") End Sub Public Sub UseMe() ...

To know the path of the directory your file is in you can use: Esc to enter command mode :pwd This will print the path to the directory at the bottom of the editor, like this I'm a ninja ~ ~ ~ ~ ~ /home/ubuntu/myfolder 1,5 All Now...

Interface declaration for downloading a file public interface ApiInterface { @GET("movie/now_playing") Call<MovieResponse> getNowPlayingMovies(@Query("api_key") String apiKey, @Query("page") int page); // option 1: a resource relative to your bas...

When you need to pass some data from the parent task to its children tasks, so it logically flows with the execution, use AsyncLocal class: void Main() { AsyncLocal<string> user = new AsyncLocal<string>(); user.Value = "initial user"; // this does not aff...

0.18.0 Model is passed to subscriptions which means that every state change can modify subscriptions. import Html exposing ( Html, div, text, button ) import Html.Events exposing ( onClick ) import Time main : Program Never Model Msg main = Html.program { init = init ,...

If a recursive call goes "too deep", this results in a StackOverflowError. Java allocates a new frame for every method call on its thread's stack. However, the space of each thread's stack is limited. Too many frames on the stack leads to the Stack Overflow (SO). Example public static vo...

Components define their own Messages, sent after emitted DOM Events, eg. CounterMsg from Parent-child communication type CounterMsg = Increment | Decrement | Reset The view of this component will send messages of CounterMsg type, therefore the view type signature is Html CounterMs...

Since Laravel version 5.2.31 the web middleware is applied by default within the RouteServiceProvider (https://github.com/laravel/laravel/commit/5c30c98db96459b4cc878d085490e4677b0b67ed) In app/Providers/RouteServiceProvider.php you will find the following functions which apply the middleware on ev...

switch statements are useful when you want to have your program do many different things according to the value of a particular test variable. An example usage of switch statement is like this: int a = 1; switch (a) { case 1: puts("a is 1"); break; case 2: puts("...

$ gunzip -c input.fastq.gz | awk '{printf("%s%s",$0,((NR+1)%4==1?"\n":"\t"));}' | head @IL31_4368:1:1:996:8507/2 TCCCTTACCCCCAAGCTCCATACCCTCCTAATGCCCACACCTCTTACCTTAGGA + FFCEFFFEEFFFFFFFEFFEFFFEFCFC<EEFEFFFCEFF<;EEFF=FEE?FCE @IL31_4368:1:1:996:21421/2...

To open a new window, add the following code somewhere where you can keep a reference to the new window (I.E., the app delegate). Swift let storyboard:NSStoryboard = NSStoryboard(name: "Main", bundle: nil) guard let controller:NSWindowController = storyboard.instantiateControllerWithIde...