Tag Archives: Computer programming

Does JavaScript undefined Equals undefined?

Posted on October 21, 2011 by Stoimen

Weird JS As you know sometimes JavaScript can be weird. Let’s see the following example and let’s try to answer the question: does “undefined” equals “undefined”. What do I mean? First take a look at the following code. var a; … Continue reading →

Posted in javascript | Tagged Computer programming, Computing, Curly bracket programming languages, ecmascript, javascript, JavaScript programming language, js, Procedural programming languages, Scripting languages, Software engineering, tips, tricks, typeof, undefined | 6 Comments

Some Notes on the Object-oriented Model of PHP

Posted on October 20, 2011 by Stoimen

PHP 5 introduces interfaces and abstract classes. To become a little clearer, let us see their definitions. Interfaces Object interfaces allow you to create code which specifies which methods a class must implement, without having to define how these methods … Continue reading →

Posted in PHP | Tagged abstract classes, Abstract type, C, Class, Computer programming, Computing, Education, experiment, how-to, iheritance, Interfaces, Java programming language, Method, micro tutorial, Object-oriented programming, PHP, php 5, php class definition, php experiment, php tutorial, php5, Polymorphism in object-oriented programming, Software design patterns, Software engineering, tutorial, Virtual function | 5 Comments

Thing to Know About PHP Arrays

Posted on October 19, 2011 by Stoimen

Consider the following case. We have an array with identical keys. $arr = array(1 => 10, 1 => 11); What happens when the interpreter reaches this line of code? This is not a syntax error and it is completely valid. … Continue reading →

Posted in micro tutorial, PHP | Tagged Arrays, C programming language, Comparison of programming languages, Computer programming, Computing, Data structures, Data types, Foreach, how-to, interpreter, micro tutorial, PHP, PHP arrays, PHP micro tutorial, php tutorial, programming, tutorial, web development, webdev | Leave a comment

Powerful PHP: Less Known String Manipulation

Posted on August 18, 2011 by Stoimen

Yet another thing that’s great in PHP is the power you have when doing some string manipulation/operation. Here’s something that is really useful, but I think it remains a bit unknown. Let’s imagine you need to take the first (or … Continue reading →

Posted in micro tutorial, PHP | Tagged C, Computer programming, Computing, Data types, Hello world program, Mathematics, PHP, Software engineering, String | 6 Comments

OOP JavaScript: Accessing Public Methods in Private Methods

Posted on July 28, 2011 by Stoimen

As you know in JavaScript when you define a variable with the special word “var” the scope of this variable is within the function. So when you simply wite “var a = 5″ the variable named “a” has a global … Continue reading →

Posted in javascript, micro tutorial, web development | Tagged Accessing Private, C, Class, Computer programming, Computing, Curly bracket programming languages, javascript, JavaScript programming language, Object-oriented programming, oop, private, public, Scripting languages, Software engineering, Subroutine | 4 Comments