Tutorial by Examples: an

Let's say you have an academic system. The bounded contexts would be like this: Admission of new undergraduate students Distribution of students on classrooms considering a schedule of the courses and occupation, size and type of classrooms Management of courses, hierarchies and predecessors of...

public class DrawRectangle { public static void main(String[] args) { //Load native library System.loadLibrary(Core.NATIVE_LIBRARY_NAME); //image container object Mat goruntuDizisi=new Mat(); //Read image in file system goruntuDizisi=Imgcodecs.imread("C:\\i...

This kind of schema will be useful if you want to keep trace of your items by insertion time or update time. var mongoose = require('mongoose'); var Schema = mongoose.Schema; // Creates a User Schema. var user = new Schema({ name: { type: String }, ...

The Binary Search Tree (BST) is a hierarchical data structure with a single pointer to the root node. The Node in the BST generally contains "items" (such as numbers or names) for fast look up. Each node has at-most two children (left and right). Every node is organized by some key data f...

In this example, we rewrite url's of the form http://example.com/topic/id-seoname to a php script that takes an id as input. This example expects the rule to be in "per-directory" context. RewriteEngine on RewriteRule ^topic/([0-9]+)-[^/]*/?$ /topics.php?id=$1 [L] In this example, t...

Getters and setters are methods that are behaved like properties. it means they have function structure but when used, they are used same as properties: Structure of getter functions: they should have get keyword after function keyword and before function name, with no argument, a return type spec...

This is an example how to get the play an audio file which you already have on your pc/laptop .First create a new directory under res and name it as raw like this copy the audio which you want to play into this folder .It may be a .mp3 or .wav file. Now for example on button click you want to pl...

To illustrate relation OneToMany we need 2 Entities e.g. Country and City. One Country has multiple Cities. In the CountryEntity beloww we define set of cities for Country. @Entity @Table(name = "Country") public class CountryEntity implements Serializable { private static final l...

Float data type The float data type is a single-precision 32-bit IEEE 754 floating point. Float overflow Maximum possible value is 3.4028235e+38 , When it exceeds this value it produces Infinity float f = 3.4e38f; float result = f*2; System.out.println(result); //Infinity Float Und...

We may forget to apply the Antiforgery attribute for each POST request so we should make it by default. This sample will make sure Antiforgery filter will always be applied to every POST request. Firstly create new AntiForgeryTokenFilter filter: //This will add ValidateAntiForgeryToken Attribute t...

The descendant and descendant-or-self axes can be used to find all descendant elements of a node at any depth. In contrast, the child axis only traverses immediate children. /child::html/descendant::span /child::html/descendant-or-self::* The double slash // is a shortcut for /descendant-or-sel...

The parent axis contains only the parent of a node. The following expression selects the html element by taking a detour over the body element: /child::html/child::body/parent::html .. is a shortcut for parent::node() The ancestor and ancestor-or-self axes traverse all ancestors of a node. The ...

The following-sibling and preceding-sibling axes contain the siblings before or after the context node, and the following and preceding axes contain all nodes in the document before or after the context node, but: None of these axes contain attribute or namespace nodes. The following axis doesn'...

The attribute and namespace axes contain all attribute and namespace nodes of an element. The shortcut @ stands for attribute::, so the following are equivalent: child::div/attribute::class div/@class

Why do we need this? The current way to do unit testing in Xamarin.Forms is via a platform runner, so your test will have to run within an ios, android, windows or mac UI environment : Running Tests in the IDE Xamarin also provides awesome UI testing with the Xamarin.TestCloud offering, but when ...

To add to the first example, in order to test navigation statements that occurs within the application, we need to provide the ViewModel with a hook to the Navigation. To achieve this: Add the package SpecFlow.Xamarin.Forms.IViewModel from nuget to your PCL Xamarin.Forms project Implement the IV...

const options = require("commander"); options .option("-v, --verbose", "Be verbose"); options .command("convert") .alias("c") .description("Converts input file to output file") .option("-i, --in-file <file_name&...

const options = require("commander"); options .option("-v, --verbose") .parse(process.argv); if (options.verbose){ console.log("Let's make some noise!"); }

Step 1: Create a bluemix account Create an account at https://console.ng.bluemix.net/registration/ This will set you up with a 30 day trial. You don't have to pay anything for the free resources and you don't have to set up billing until the end of your trial (though not all services will be avail...

Swift let image = UIGraphicsGetImageFromCurrentImageContext() imageView.image = image //assuming imageView is a valid UIImageView object Objective-C UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); imageView.image = image; //assuming imageView is a valid UIImageView object