Tutorial by Examples: en

Data driven form

Component import {Component, OnInit} from '@angular/core'; import { FormGroup, FormControl, FORM_DIRECTIVES, REACTIVE_FORM_DIRECTIVES, Validators, FormBuilder, FormArray } from "@angular/forms"; import {Control} from "@angular/common"; ...

Angular 2 • Angular 2 Data Driven Forms

Maven Jetty plugin

This example applies to maven projects. Add the jetty-maven-plugin to build element as below. <build> <plugins> <plugin> <groupId>org.eclipse.jetty</groupId> <artifactId>jetty-maven-plugin</artifactId> <version&g...

jetty • Running jetty as embedded container

"multi" Parameter while updating multiple documents

To update multiple documents in a collection, set the multi option to true. db.collection.update( query, update, { upsert: boolean, multi: boolean, writeConcern: document } ) multi is optional. If set to true, updates multiple documents that meet the query crit...

MongoDB • CRUD Operation

One To One relation between employee and desk

Consider a one to one bidirectional relationship between employee and desk. Employee.java @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnName = "gen_name", valueColumnName = "gen_val", allocationSize...

jpa • One to One mapping

Insert a document into a table

r.connect({host: 'localhost', port: 28015}) .then((conn) => { return r.db("stackoverflow").table("examples") .insert({ // If `id` is not set, will automatically generate a UUID id: 1, name: 'Thinker', // Wi...

rethinkdb • Getting started with Node

Querying a document from a table

r.connect({host: 'localhost', port: 28015}) .then((conn) => { // Can also use .get({id: 1}) return r.db("stackoverflow").table("examples").get(1).run(conn) }).then((result) => { console.log(result); })

rethinkdb • Getting started with Node

Grid children spanning multiple rows/columns

By using the Grid.RowSpan and Grid.ColumnSpan attached properties, children of a Grid can span multiple rows or columns. In the following example the second TextBlock will span the second and third column of the Grid. <Grid> <Grid.ColumnDefinitions> <ColumnDefinition/&...

wpf • Grid control

Generic httpInterceptor step by step

Create an HTML file with the following content: <!DOCTYPE html> <html> <head> <title>Angular Interceptor Sample</title> <script src="https://code.angularjs.org/1.5.8/angular.min.js"></script> <script src="app.js"></sc...

AngularJS • HTTP Interceptor

PlayerJoinEvent

public class PlayerJoinListener implements Listener { @EventHandler public void onPlayerJoin(PlayerJoinEvent evt) { Player joined = evt.getPlayer(); String joinedName = joined.getName(); //RETRIEVING THE JOIN MESSAGE ALREADY SET String joinMessage = ev...

bukkit • Player Events

PlayerMoveListener

public class PlayerMoveListener implements Listener { @EventHandler public void onPlayerMove(PlayerMoveEvent evt) { Location from = evt.getFrom(); Location to = evt.getTo(); double xFrom = from.getX(); double yFrom = from.getY(); double zFrom ...

bukkit • Player Events

ContentResult

public ActionResult Hello() { // Returns a user-defined content type, in this case a string. return Content("hello world!"); } Action methods typically return a result that is known as an action result. The ActionResult class is the base class for all action results. The Ac...

asp.net-mvc • ActionResult

Place a pin where the user touched the screen with MR.Gestures

Xamarins built in gesture recognizers provide only very basic touch handling. E.g. there is no way to get the position of a touching finger. MR.Gestures is a component which adds 14 different touch handling events. The position of the touching fingers is part of the EventArgs passed to all MR.Gestu...

Xamarin.Forms • Gestures

Find all elements with a certain attribute

Imagine the following XML: <root> <element foobar="hello_world" /> <element example="this is one!" /> </root> /root/element[@foobar] and will return the <element foobar="hello_world" /> element.

xpath • Finding elements containing specific attributes

Find all elements with a certain attribute value

Imagine the following XML: <root> <element foobar="hello_world" /> <element example="this is one!" /> </root> The following XPath expression: /root/element[@foobar = 'hello_world'] will return the <element foobar="hello_world&quo...

xpath • Finding elements containing specific attributes

Requirements

1-HTTP Server. For example: Apache. Having mod_rewrite is preferred, but by no means required. 2-PHP 5.5.9 or greater (including PHP 7) 3-mbstring PHP extens ion 4-intl PHP extension I usually make an apache and mysql installation on a linuxbox. I can use windows too, however I do not recommen...

cakephp • Getting started with cakephp

Make device receive notification even when sleeping

When sending a notification to an iOS device, you must set priority: "high" for it to wake up. Otherwise, the notification will not be received while the phone is asleep. Sets the priority of the message. Valid values are "normal" and "high." On iOS, these correspond...

google-cloud-messaging • Differences between sending to Android and iOS devices

Accessing renderer from a native project

var renderer = Platform.GetRenderer(visualElement); if (renderer == null) { renderer = Platform.CreateRenderer(visualElement); Platform.SetRenderer(visualElement, renderer); } DoSomeThingWithRender(render); // now you can do whatever you want with render

Xamarin.Forms • Custom Renderers

C# implementation of OpenCL 1.2: number of platforms for an AMD system in 64-bit windows

OpenCL is low level api so it must be implemented in "C space" first. For that, one needs to download header files from Khronos' site. My hardware is AMD and capable of version 1.2, downloading opencl.h cl_platform.h cl.h cl_ext.h cl_egl.h cl_dx9_media_sharing.h cl_d3d10.h c...

opencl • Getting started with opencl

Find My Parent

XML <GrandFather name="Bardock" gender="male" spouse="Gine"> <Dad name="Goku" gender="male" spouse="Chi Chi"> <Me name="Gohan" gender="male"/> <brother name="Goten" ...

xpath • Get nodes relative to the current node

Get all avatars except the current one (Parusharama)

XML <Dashavatar> <Avatar name="Matsya"/> <Avatar name="Kurma"/> <Avatar name="Varaha"/> <Avatar name="Narasimha"/> <Avatar name="Vamana"/> <Avatar name="Balabhadra"/> ...

xpath • Get nodes relative to the current node