Tutorial by Examples: ai

Example Controller action use Symfony\Component\HttpFoundation\Request; public function exampleAction(Request $request) { /* * First you need object ready for validation. * You can create new object or load it from database. * You need to add some constraints for this obj...

#ifndef MAINWINDOW_H #define MAINWINDOW_H #include <QMainWindow> namespace Ui { class MainWindow; } class MyCompareFileDialog; class MainWindow : public QMainWindow { Q_OBJECT public: explicit MainWindow(QWidget *parent = 0); ~MainWindow(); private: Ui...

#include "mainwindow.h" #include "ui_mainwindow.h" #include "mycomparefiledialog.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); myDialog = new MyCompareFileDialog(this); ...

#include "mainwindow.h" #include <QApplication> int main(int argc, char *argv[]) { QApplication a(argc, argv); MainWindow w; w.show(); return a.exec(); }

<?xml version="1.0" encoding="UTF-8"?> <ui version="4.0"> <class>MainWindow</class> <widget class="QMainWindow" name="MainWindow"> <property name="geometry"> <rect> <x>0</x...

Loading from string Use simplexml_load_string to create a SimpleXMLElement from a string: $xmlString = "<?xml version='1.0' encoding='UTF-8'?>"; $xml = simplexml_load_string($xmlString) or die("Error: Cannot create object"); Note that or not || must be used here becau...

"Fat Model, Skinny Controller" is a very good first step, but it doesn't scale well once your codebase starts to grow. Let's think on the Single Responsibility of models. What is the single responsibility of models? Is it to hold business logic? Is it to hold non-response-related logic? ...

Connecting to Cassandra is very similar to connecting to other datasources. With Cassandra, credentials are not required. String cassandraIPAddress = "127.0.0.1"; String cassandraKeyspace = "myKeyspace"; String username = "foo"; String password = "bar"; ...

To get a list of possible time_zone values in your MySQL server instance, use this command. SELECT mysql.time_zone_name.name Ordinarily, this shows the ZoneInfo list of time zones maintained by Paul Eggert at the Internet Assigned Numbers Authority. Worldwide there are appproximately 600 time z...

authenticate_with_http_token do |token, options| @user = User.find_by(auth_token: token) end You can test this endpoint with curl by making a request like curl -IH "Authorization: Token token=my-token" http://localhost:3000

We can use the get_bloginfo function to retrieve the email address of the site administrator. <?php echo get_bloginfo('admin_email'); ?>

You can use docker, without using docker daemon (engine), by using cloud providers. In this example, you should have a gcloud (Google Cloud util), that connected to your account docker-machine create --driver google --google-project `your-project-name` google-machine-type f1-large fm02 This exa...

public class Solution { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] ar = new int[n]; for(int i=0; i<n; i++) ar[i] = sc.nextInt(); quickSort(ar, 0, ar.length-1); } public static void quickSort(...

Default WooCommerce checkout form comes with several fields for customers to enter their billing details. But in some cases, you might want to hide some of these fields. For example, if you are selling only virtual products, you can get rid of fields like billing address. Use the following code sn...

var express = require('express'); var app = express(); var router = express.Router(); app.route('/user') .get(function (req, res) { res.send('Get a random user') }) .post(function (req, res) { res.send('Add a user') }) .put(function (req, res) { res.send...

There are many online video tutorials for maya, python and pyqt. Which will give you access to some in depth knowledge of maya and python programming in maya. Some are covered with pyqt also. Here is some and feel free to add more here. https://www.udemy.com/python-for-maya/learn/v4/overview By D...

public class SimpleLoginMainView extends CustomComponent implements View { public static final String NAME = ""; Label text = new Label(); Button logout = new Button("Logout", new Button.ClickListener() { @Override public void buttonClick(ClickEvent event) { ...

Implementation of the Caesar cipher. This implementation performs the shift operation only on upper and lower case alphabets and retains the other characters (such as space as-is). The Caesar cipher is not secure as per current standards. Below example is for illustrative purposes only ! Refer...

Method Overriding and Overloading are two forms of polymorphism supported by Java. Method Overloading Method overloading (also known as static Polymorphism) is a way you can have two (or more) methods (functions) with same name in a single class. Yes its as simple as that. public class Shape{ ...

Email clients use different rendering engines to render HTML emails: Apple Mail, Outlook for Mac, Android Mail and iOS Mail use WebKit Outlook 2000/02/03 use Internet Explorer 6 Outlook 2007/10/13 use Microsoft Word Web clients use their browser’s respective engine (e.g. Safari uses WebKit, Ch...