Tutorial by Examples: et

shopt -q login_shell && echo 'login' || echo 'not-login'

class MyClass { private String privateField } def prvtClss = new MyClass(privateField: 'qwerty') println prvtClss.privateField will print us 'qwerty' This issue is known since version 1.1 and there is a bug report on that: http://jira.codehaus.org/browse/GROOVY-1875. It is not reso...

onView(withText("Pay")) onView(withText(R.string.pay))

If you have an Ecto.Queryable, named Post, which has a title and an description. You can fetch the Post with title: "hello" and description : "world" by performing : MyRepo.get_by(Post, [title: "hello", description: "world"]) All of this is possible beca...

After a statement was executed, a call to sqlite3_reset() brings it back into the original state so that it can be re-executed. Typically, while the statement itself stays the same, the parameters are changed: const char *sql = "INSERT INTO MyTable(ID, Name) VALUES (?, ?)"; sqlite3_stmt...

Containers in the same docker network have access to exposed ports. docker network create sample docker run --net sample --name keys consul agent -server -client=0.0.0.0 -bootstrap Consul's Dockerfile exposes 8500, 8600, and several more ports. To demonstrate, run another container in the same ...

One to Many mapping is generally simply a bidirectional relationship of Many to One mapping. We will take same example that we took for Many to one mapping. Employee.java @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnNa...

Employee Entity @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnName = "gen_name", valueColumnName = "gen_val", allocationSize = 1) @Id @GeneratedValue(strategy = GenerationType.TABLE, generat...

Employee entity. package com.thejavageek.jpa.entities; import java.util.List; import javax.persistence.CascadeType; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Joi...

To use an Asset Catalog, you need to do the following: Double-click the Info.plist file in the Solution Explorer to open it for editing. Scroll down to the App Icons section. From the Source dropdown list, ensure AppIcons is selected. From the Solution Explorer, double-click the Assets.xcasset...

Each table view must have a delegate and a data source. Delegate Methods None of the delegate methods are actually required, however you'll need to implement tableView:didSelectRowAtIndexPath: to handle touches on a table cell: And other methods are... // Display customization - (void)tableVi...

// Include Nodejs' net module. const Net = require('net'); // The port on which the server is listening. const port = 8080; // Use net.createServer() in your code. This is just for illustration purpose. // Create a new TCP server. const server = new Net.Server(); // The server listens to a ...

// Include Nodejs' net module. const Net = require('net'); // The port number and hostname of the server. const port = 8080; const host = 'localhost'; // Create a new TCP client. const client = new Net.Socket(); // Send a connection request to the server. client.connect({ port: port, host:...

#lang racket (for ([path (in-directory)] #:when (regexp-match? #rx"[.]rkt$" path)) (printf "source file: ~a\n" path)) The #lang line specifies the programming language of this file. #lang racket we are using the baseline, battery-included Racket programming language. O...

This example extends the basic example passing parameters in the route in order to use them in the controller To do so we need to: Configure the parameter position and name in the route name Inject $routeParams service in our Controller app.js angular.module('myApp', ['ngRoute']) .contro...

Select * from firm's_address; Select * from "firm's_address";

Create class and add imports to parse information: import com.google.firebase.database.FirebaseDatabase; import com.google.firebase.database.IgnoreExtraProperties; //Declaration of firebase references private DatabaseReference mDatabase; //Declaration of firebase atributtes public Stri...

public class HomepageTests { private IWebDriver _driver; [SetUp] public void LoadDriver() { _driver = new ChromeDriver(); } [Test] public void Valid_Home_Page_Title() { _driver.Navigate().GoToUrl("Your homeoage url / loc...

Sometimes it's really useful to know the type of child component when iterating through them. In order to iterate through the children components you can use React Children.map util function: React.Children.map(this.props.children, (child) => { if (child.type === MyComponentType) { ......

package com.mcf7.spring.domain; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.CommandLineRunner; import org.springframework.stereotype.Component; @Component public class DatabaseLoader implements CommandLineRunner { private final BookRep...