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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...

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 ...

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...

There is a a deployment tool for linux on GitHub. While not perfect, it is linked to from the Qt wiki. It's based conceptually on the Qt Mac Deployment Tool and functions similarly by providing an AppImage. Given that a desktop file should be provided with an AppImage, linuxdeployqt can use that to...

The rule An e-commerce have a 20% off offer valid for entire month of July. How to apply the technique Using the Equivalence Partition technique we could divide this as Inside July Is outside July But we can do a little better with this case. We can use the boundaries of the partition to e...

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...

In this example, user BoeNoe showed how to use the command xcopy to copy files. There is also an extra command called copy. Here is a simple example: copy foo.ext bar.ext This copies foo.ext to bar.ext, and create bar.ext when it doesn't exist. We can also specify paths to the file, but it is a...

<?php //Creating Connection to MySQL database using MySQLi $mysqli = mysqli_connect("IP ADDRESS OR DOAMIN", "username", "password", "database_name"); //Executing Query in the Database using MySQLi $result = mysqli_query($mysqli, "SELECT * FROM T...

summary {% extends %}: this declares the template given as an argument as the current template's parent. Usage: {% extends 'parent_template.html' %}. {% block %}{% endblock %}: This is used to define sections in your templates, so that if another template extends this one, it'll be able to...

Proxy object is often used to ensure guarded access to another object, which internal business logic we don't want to pollute with safety requirements. Suppose we'd like to guarantee that only user of specific permissions can access resource. Proxy definition: (it ensure that only users which actu...

This example will demonstrate the searchable select box in MVC. it uses Ajax to get all records from database as user types the new character. I'll consider Country and its City example to illustrate the functionality of Searchable dropdown box. Code behind is c# with MVC, but its easy to grasp wh...

Open Visual Studio and select File Menu -> Open -> Project Next, select Solution File from project folder Project files will be shown in Solution Explorer.

To load a class we first need to define it. The class is defined by the ClassLoader. There's just one problem, Oracle didn't write the ClassLoader's code with this feature available. To define the class we will need to access a method named defineClass() which is a private method of the ClassLoader....

Proxy object is often used to ensure guarded access to another object, which internal business logic we don't want to pollute with safety requirements. Suppose we'd like to guarantee that only user of specific permissions can access resource. Proxy definition: (it ensure that only users which actu...

Excel specifications and limits (Excel 2016-2013, Excel 2010, Excel 2007)

{ "title": "Person", "type": "object", "properties": { "firstName": { "type": "string" }, "lastName": { "type": "string" ...

Let's assume we have a Dogs application, then our model will be a Dog class. DatabaseReference reference = FirebaseDatabase.getInstance().getReference().child("dogs"); This is how to send a Dog to the database, a new unique dog and set the dog with the key. String key = reference.push...

In this example, base class Singleton provides getMessage() method that returns "Hello world!" message. It's subclasses UppercaseSingleton and LowercaseSingleton override getMessage() method to provide appropriate representation of the message. //Yeah, we'll need reflection to pull this ...

explode(): Returns an array of strings, each of which is a substring of string formed by splitting it on boundaries formed by the string delimiter. This function is pretty much straight forward. $url = "http://example.com/project/controller/action/param1/param2"; $parts = explode(...