Tutorial by Examples: a

@Module class AppModule(val app: Application) { @Provides @Named("the_answer") fun providesTheAnswer(): Int { return 42 } }
class MyClass{ @field:[Inject Named("the_answer")] lateinit var answer: Int } In Android Development, this is the way in which you inject dependencies into Activity, Fragment or any other object that is instantiated directly by the OS. To learn more about the @field: annotation i...
class MyClass @Inject constructor(@Named val answer: Int){ /* The nuts and bolts of your class */ }
Check environment variable value e.g. echo %JAVA_HOME% C:\Program Files\Java\jdk1.7.0_51
The vertex shader only accepts the texture coordinates as a vertex attribute and forwards the coordinates to the fragment shader. By default, it will also guarantee that the fragment will receive the properly interpolated coordinate based on its position in a triangle: layout (location = 0) in vec3...
(let [xf (comp (map inc) (filter even?))] (transduce xf + [1 2 3 4 5 6 7 8 9 10])) ;; => 30 This example creates a transducer assigned to the local xf and uses transduce to apply it to some data. The transducer add's one to each of it's inputs and only returns the ...
(def xf (filter keyword?)) Apply to a collection, returning a sequence: (sequence xf [:a 1 2 :b :c]) ;; => (:a :b :c) Apply to a collection, reducing the resulting collection with another function: (transduce xf str [:a 1 2 :b :c]) ;; => ":a:b:c" Apply to a collection, and...
If you call plt.legend() or ax.legend() more than once, the first legend is removed and a new one is drawn. According the official documentation: This has been done so that it is possible to call legend() repeatedly to update the legend to the latest handles on the Axes Fear not, though: It ...
The Rule: The user will input credentials (email and password). If credentials are valid, redirect to home page. Show an error message otherwise. How to apply technique: You can have a huge valid list of emails that could be used: [email protected] [email protected] [email protected] ... As we...
The Rule An e-commerce have a shipping rule based on zipcodes. All shipping to California is eligible to free shipping. All other west cost are US$ 10.00 and The rest of USA is US$ 20.00 How to apply technique We all know there are lots of zipcodes by state, and we are not going to use them all. ...
In order to clear the selection of those values which are selected using a Select2 drop down,we can use the empty() function. <select id="select2_example"> <option>Option1</option> <option>Option2</option> <option>Option3</option> </select&...
In cases where you need a common portion of the route for all routes within a controller, RoutePrefix attribute is used. In the below example, api/students part of the code is common and so we can define RoutePrefix and avoid using it repeatedly. [RoutePrefix("api/students")] public cla...
In this example I will show you how to make a basic lexer which will create the tokens for a integer variable declaration in python. What does the lexical analyser do? The purpose of a lexer (lexical analyser) is to scan the source code and break up each word into a list item. Once done it tak...
This is a simple parser which will parse an integer variable declaration token stream which we created in the previous example Simple Lexical Analyser. This parser will also be coded in python. What is a parser? The parser is the process in which the source text is converted to an abstract syn...
Data annotations are a way of adding more contextual information to classes or members of a class. There are three main categories of annotations: Validation Attributes: add validation criteria to data Display Attributes: specify how the data should be displayed to the user Modelling Attributes...
<!-- : Comment This works with both batch script and WSF. The closing tag(-->), only works in WSF. CodeSucessful in both batch and WSF?<!--: CommentTrue<!--: Comment -->False - The closing tag only works for WSF-->False
Once you have node.js installed on your system, you can just follow the procedure below to get a basic web server running with support for both HTTP and HTTPS! Step 1 : Build a Certificate Authority create the folder where you want to store your key & certificate : mkdir conf ...
Suppose we have an API which allows us to get object metadata in single request (getAllPets), and other request which have full data of single resource (getSinglePet). How we can query all of them in a single chain? public class PetsFetcher { static class PetRepository { List<Integer&g...
LibGDX is designed in a way that you can write the same code and deploy it on several different platforms. Yet, there are times when you want to get access to platform specific code. For an instance, if you have leaderboards and achievements in your game, you may want to use platform-specific tools ...
The AssetManager is a class that helps you manage your assets. First off, you need to create an instance: AssetManager am = new AssetManager(); After this is initialized, and before you render anything, you want to get the resources: am.load("badlogic.jpg", Texture.class);//Texture.c...

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