C++2007-09-04
A Brief History of C++
Computer languages have undergone dramatic evolution since the first electronic computers were built to assist in telemetry calculations during World War II. Early on, programmers
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xml2007-09-04
XHTML Basics
XHTML is a W3C Recommendation that represents the future of HTML. Based on HTML 4.0, XHTML is designed to be compatible with existing web browsers while complying fully with XML. T
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To use or not to use AJAX
When you use Ajax techniques to update portions of a web page, the user gains responsiveness and fluidity. However, the user also loses the ability to bookmark and to use the brows
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The History of AJAX
In the beginning, there was the World Wide Web. Compared with desktop applications, web applications were slow and clunky. People liked web applications anyway because they were co
Read tutorialJava2007-09-03
Simple Port Scanner application using Java
In this article I will explain how to develop a simple port scanner which you can use to scan a host for open ports. A port scanner is a software tool used by network administrator
Read tutorialJava2007-09-02
Using StringTokenizer in Java
The processing of text often consists of parsing a formatted input string. Parsing is the division of text into a set of discrete parts, or tokens, which in a certain sequence can
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Java2007-09-02
How to use Iterator in Java
Before you can access a collection through an iterator, you must obtain one. Each of the collection classes provides an iterator() method that returns an iterator to the start of t
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How to use ArrayList in Java
The ArrayList class extends AbstractList and implements the List interface. ArrayList supports dynamic arrays that can grow as needed. In Java, standard arrays are of a fixed lengt
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ThreadGroup Sample in Java
Thread groups offer a convenient way to manage groups of threads as a unit. This is particularly valuable in situations in which you want to suspend and resume a number of related
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Executing other system commands and programs from a Java Program
In safe environments, you can use Java to execute other heavyweight processes (that is, programs) on your multitasking operating system. Several forms of the exec() method allow yo
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Using totalMemory() and freeMemory() in Java
Although Java provides automatic garbage collection, sometimes you will want to know how large the object heap is and how much of it is left. You can use this information, for exam
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Converting Numbers to and from Strings using Java
One of the most common programming chores is converting the string representation of a number into its internal, binary format. Fortunately, Java provides an easy way to accomplish
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