Tutorial by Examples: v

Following script illustrates how to receive events according to visibility to a set camera. This script uses several performance heavy methods for brevity. using UnityEngine; using System.Linq; public class CullingGroupCameraBehaviour : MonoBehaviour { CullingGroup localCullingGroup;...

module.exports.routes = { // This function will be executed for all http verbs on all urls 'all /*', function (req, res, next) { // Expose the function `fooBar` to all views (via the locals object) res.locals.fooBar = function (arg1) { return 'foobar' + arg1; }; }, };...

Visitor pattern allows you to add new operations or methods to a set of classes without modifying the structure of those classes. This pattern is especially useful when you want to centralise a particular operation on an object without extending the object Or without modifying the object. UML diag...

Lets assume that in your current codebase, there exists MyLogger interface like so: interface MyLogger { void logMessage(String message); void logException(Throwable exception); } Lets say that you've created a few concrete implementations of these, such as MyFileLogger and MyConsol...

The yield keyword allows lazy-evaluation of the collection. Forcibly loading the whole collection into memory is called eager evaluation. The following code shows this: IEnumerable<int> myMethod() { for(int i=0; i <= 8675309; i++) { yield return i; } } ... // ...

If you want to make internal classes or functions of an assembly accessable from another assembly you declare this by InternalsVisibleTo and the assembly name that is allowed to access. In this example code in the assembly MyAssembly.UnitTests is allowed to call internal elements from MyAssembly. ...

Virtual Methods are methods in Java that are non-static and without the keyword Final in front. All methods by default are virtual in Java. Virtual Methods play important roles in Polymorphism because children classes in Java can override their parent classes' methods if the function being overriden...

Consider the following struct definitions: struct Foo { my_bool: bool, my_num: isize, my_string: String, } struct Bar (bool, isize, String); struct Baz; Constructing new structure values for these types is straightforward: let foo = Foo { my_bool: true, my_num: 42, my_string: ...

Because the WHERE clause is evaluated before GROUP BY, you cannot use WHERE to pare down results of the grouping (typically an aggregate function, such as COUNT(*)). To meet this need, the HAVING clause can be used. For example, using the following data: DECLARE @orders TABLE(OrderID INT, Name NVA...

It is sometimes required for a process to concurrently write and read the same "data". The ReadWriteLock interface, and its ReentrantReadWriteLock implementation allows for an access pattern that can be described as follow : There can be any number of concurrent readers of the data. If...

Services declaration : # src/Acme/YourBundle/Resources/config/services.yml services: my_service: class: Acme\YourBundle\Service\MyService arguments: ["@doctrine", "%some_parameter%", "@another_service"] another_service: class: Ac...

For an instance, if the html source code of an html view or element is wrapped by an iframe like this: <iframe src="../images/eightball.gif" name="imgboxName" id="imgboxId"> <p>iframes example</p> <a href="../images/redball.gif" t...

To switch focus to either main document or first frame of the page. You have to use below syntax. driver.switchTo().defaultContent();

Install webpack-dev-middleware via npm npm i -D webpack-dev-middleware webpack-hot-middleware Modify webpack.config.js Add webpack-hot-middleware/client to each items defined in "entry" Add new webpack.HotModuleReplacementPlugin() to "plugins" module.export...

You can disable Lint checking from your Java and XML source files. Configuring lint checking in Java To disable Lint checking specifically for a Java class or method in your Android project, add the @SuppressLint annotation to that Java code. Example: @SuppressLint("NewApi") @Override...

This converter will chain multiple converters together. public class ValueConverterGroup : List<IValueConverter>, IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return this.Aggregate(value, (current, converte...

In the root of your project, make sure Bower is installed (npm install -g bower) and run bower init. This will create a bower.json file in your project's directory. Create a new file called .bowerrc to your root directory. It should contain the following: { "directory": "public/b...

To determine the latest tested/supported version of Node that can be used with your installed version of Meteor, dump the node version directly from the build tool's bundled node instance. meteor node -v

Meteor reads a mobile-config.js file in the root of your app directory during build, and uses the settings specified there to generate Cordova’s config.xml. Project_folder ├── /.meteor └── mobile-config.js Most configurations can be achieved with mobile-config.js (app metadata, preferences, ...

The following technique allows you to add your content to an HTML element and center it both horizontally and vertically without worrying about its height or width. The outer container should have display: table; The inner container should have display: table-cell; should have vertical-al...