Tutorial by Examples: et

Most kivy apps start with this structure: from kivy.app import App class TutorialApp(App): def build(self): return TutorialApp().run() There is several way to go from here : All the codes below (except example 1 and 3) have the same widget and similar features, but show diffe...

First, we create an empty set, and insert some elements into it: Java SE 7 TreeSet<Integer> treeSet = new TreeSet<>(); Java SE 7 TreeSet<Integer> treeSet = new TreeSet<Integer>(); treeSet.add(10); treeSet.add(4); treeSet.add(1); treeSet.add(12); Once we hav...

Since TreeMaps and TreeSets maintain keys/elements according to their natural ordering. Therefor TreeMap keys and TreeSet elements have to comparable to one another. Say we have a custom Person class: public class Person { private int id; private String firstName, lastName; priva...

TreeMap and TreeSet are not thread-safe collections, so care must be taken to ensure when used in multi-threaded programs. Both TreeMap and TreeSet are safe when read, even concurrently, by multiple threads. So if they have been created and populated by a single thread (say, at the start of the pro...

import {Http} from '@angular/http'; @Injectable() export class StudentService{ constructor(public http: Http){} getAllStudents(): Observable<Students[]>{ return this.http.get('assets/students.json') .map(res => res.json().data) } } notice ...

OnInit: this is really amazing thing in ionic2 or we can say in AngularJs2. With the same above example we can see what is ngOnInit is. So you are ready with the service method, now in your view/page you want that student list data available as soon as your view is going to appear, this should be th...

export class HomePage implements OnInit { ... .... constructor(....){} ngOnInit(){ this._studentService.getAllStudents().subscribe( (students: Students[]) => this.students = students, )

Add a new function called showGoogleForm and adapt the follow code to suit. Note for simplicity this example does not contain any error checking which should be added in a production environment. The url should look something like this: https://docs.google.com/forms/.../?usp=pp_url&entry.17391...

Range("a1:a10").FormatConditions.AddIconSetCondition With Selection.FormatConditions(1) .ReverseOrder = False .ShowIconOnly = False .IconSet = ActiveWorkbook.IconSets(xl3Arrows) End With With Selection.FormatConditions(1).IconCriteria(2) .Type = xlConditionValueP...

This getting started assumes you are working with create-react-app, or something equivalent using Babel and all the goodies out there. Also check out the great documentation right here. First, install react-router-dom: npm install react-router-dom or yarn add react-router-dom. Then, create a com...

Detailed instructions on getting loadrunner set up or installed.

String hostName = args[0]; int portNumber = Integer.parseInt(args[1]); try ( Socket echoSocket = new Socket(hostName, portNumber); PrintWriter out = new PrintWriter(echoSocket.getOutputStream(), true); BufferedReader in = new BufferedReader( new Inpu...

Sending The Request Header $uri = 'http://localhost/http.php'; $ch = curl_init($uri); curl_setopt_array($ch, array( CURLOPT_HTTPHEADER => array('X-User: admin', 'X-Authorization: 123456'), CURLOPT_RETURNTRANSFER =>true, CURLOPT_VERBOSE => 1 )); $out = curl_exec($ch...

Basically to apply a theme for SearchView extracted as app:actionViewClass from the menu.xml, we need understand that it depends completely on the style applied to the underlying Toolbar. To achieve themeing the Toolbar apply the following steps. Create a style in the styles.xml <style name=&qu...

Detailed instructions on getting genetic-algorithm set up or installed.

Our TCP echo back server will be a separate thread. It's simple as its a start. It will just echo back whatever you send it but in capitalised form. public class CAPECHOServer extends Thread{ // This class implements server sockets. A server socket waits for requests to come // in ove...

class Person { constructor(firstname, lastname) { this._firstname = firstname; this._lastname = lastname; } get firstname() { return this._firstname; } set firstname(name) { this._firstname = name; } get lastname() { return this._lastname; } ...

Google Test is a C++ testing framework maintained by Google. It requires building the gtest library and linking it to your testing framework when building a test case file. Minimal Example // main.cpp #include <gtest/gtest.h> #include <iostream> // Google Test test cases are cre...

This is similar to Docker-machine or minikube which are used to learn Docker and Kubernetes. It will run a virtual machine containing everything you need to test openshift-origin. Here is the documentation from openshift-origin and how to install it on any OS here I'll write doc for Debian-lik...

Detailed instructions on getting drupal-8 set up or installed.