python classes

Python Classes/Objects Python is an object oriented programming language. Almost everything in Python...

python casting

Specify a Variable Type There may be times when you want to specify a type on to a variable. This can...

Python default

  Python is a programming language. Python can be used on a server to create web applications....

php comments

Comments in PHP A comment in PHP code is a line that is not executed as a part of the program. Its...

php callback functions

Callback Functions A callback function (often referred to as just "callback") is a function...

php ajax xml

AJAX can be used for interactive communication with an XML file. AJAX XML Example The following example...

php ajax poll

AJAX Poll The following example will demonstrate a poll where the result is shown without reloading...

php ajax php

AJAX is used to create more interactive applications. AJAX PHP Example The following example will demons...

php ajax livesearch

AJAX can be used to create more user-friendly and interactive searches. AJAX Live Search The following...

php ajax intro

AJAX is about updating parts of a web page, without reloading the whole page. What is AJAX? AJAX =...

java classes

Java Classes/Objects Java is an object-oriented programming language. Everything in Java is associated...

java class attributes

Java Class Attributes In the previous chapter, we used the term "variable" for x in the exampl...

java break

Java Break You have already seen the break statement used in an earlier chapter of this tutorial. It...

java booleans

Java Booleans Very often, in programming, you will need a data type that can only have one of two values...

java arrays

Java Arrays Arrays are used to store multiple values in a single variable, instead of declaring separate...

java arraylist

Java ArrayList The ArrayList class is a resizable array, which can be found in the java.util package...

java abstract

Abstract Classes and Methods Data abstraction is the process of hiding certain details and showing onl...

Java default

Java is a programming language. Java is used to develop mobile apps, web apps, desktop apps, games and...