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What Can You Do With Paper.js?

There are many JavaScript frameworks that leverage HTML5. Paper.js is one of these frameworks that uses Document Object Model (DOM) to structure objects in an easy-to-understand manner.  It offers creative and neat ways of doing lots of stuff on a Web browser that supports the <canvas> tag. It also offers a new and interesting approach to drawing vector graphics. The basic setup is shown below: <script src="js/paper.js" type="text/javascript"></script> <script src="js/main.js"...
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PHP Arrays: Defining, Looping and Sorting Simple Arrays

Unlike scalar variables, which assign only a single value to a variable, an array variable can hold multiple values. Arrays are useful for holding values from database queries or web form entries, where each field (also called a “key”) holds a specific value. Let's take a look at how we define some of the arrays we use in PHP.Numbered Arrays. If the programmer does not specify a key for each value in the array, PHP automatically numbers the keys, starting from zero. This code defines an array $arrMonths[],...
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Common C# Build-Time Errors Part II: Inheritance and Interfaces

In our last lesson, we saw many of the most basic build-time errors in C#. In this session, we will look at some of the errors related to: classes subclasses inheritance Once we address some of the more common errors we will take a look at how you can fix them. #1 Hidden Method Name Creates Overload ... This conflict arises when a base class and its subclass have a function of the same name public class MyBaseClass { public void Function() { // function code goes here } { public class MySubClass : MyBaseClass...
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