Computer Programming

Writing to a text file from JSP is just as easy to do as it is in Java. With the proper knowledge of classes and a clear idea of what is desired in the output, using JSP to write a text file is...

Of the many ways you can learn to automate and extend Microsoft Excel with Visual Basic, one of the most effective is to record your own macro. Then, study the code created by the macro recorder...

XSL is a markup language that uses XML syntax to define its style-sheet elements. In technical terms, XSL is a "well-formed" XML document, meaning that it conforms to XML rules. This makes it...

The contents of a file can be place sent in an email by using the "fread" and "mail" functions. The "fread" function is used to place the contents of the file into a variable. The file must be...

The UNIX Timestamp is the time in seconds between January 1, 1970, and any date. The PHP "strtotime" function can be used to convert a date specified as a string into the UNIX Timestamp for that...

Programming for a positive integer exponent is simple. Just set up a loop that multiplies the base of the exponent by itself and repeat the loop to correspond to the exponent number. The tricky...

Computer science is a broad field of study encompassing several disciplines--among them programming; analysis and design; database design and development; computer system architecture. Whatever...

The key to creating a Web page using XML is to understand that XML elements must be converted into HTML in order view your XML as a Web page. That's where the XSL transformation (XSLT) language...

PHP is a web server programming language used to create dynamic web pages. This language can read user input, SQL databases and individual server files. Determining the file types of user inputted...

PHP is a programming language used for designing dynamic Web pages. It is a server-run language that creates an HTML-based page viewed in the Web browser. It is often used to access SQL databases...

The PHP "explode" function allows you to separate the data and the delimiter in a delimited file such as a Comma Separated Value (CSV) file. The "explode" function takes two parameters, the...

To prevent your Web page from refusing to load due to a file error, you should code some verification to see if a file exists in the first place. The PHP library has a function called...

Converting date formats in Transact-SQL is a trivial task when using the supplied functions for datetime-to-character conversion. For nearly all standard date formats, there is an existing...

The "fread" function can be used to read the text inside a file. The text can then be placed in a variable that can be printed to the screen or be used by other PHP functions. The file must first...

The PHP unlink function is used to delete files. The function is called "unlink" because when a file is deleted, it is essentially unlinked from the file system. The unlink function only takes...

With computers becoming a part of daily life for individuals of all ages, computer classes are requiring classroom strategies that appeal to multiple generations. It's also important to...

Much like HTML, eXtensible Markup Language, or XML, is a text-based markup language that uses elements and attributes to describe data. If you know how to create Web pages using HTML tags, you are...

Regular expressions have been widely used in many programming languages to perform text validation and pattern matching. Visual Basic Express Edition now has the functionality to allow the use of...

Visual Basic provides a set of windows controls to perform common user required functionality. One of the components is the OpenFileDialog control. This control is used to select a file to open...

Windows batch files are rarely used, but they are still convenient files that run settings or programs using an early language recognized by the MS DOS command prompt. These files can be used to...

Computer programming involves developing the applications that computers use to complete tasks. There are a number of different computer programming languages available to programmers, including...

Computer programming is the process of creating applications and programs using specialized languages that computers are capable of interpreting. There are a number of different file types used in...

A number of programming languages are designed for use with websites. One such language is Javascript, a technology developed by Sun Microsystems that uses files with the .jse extension.

Although file extensions play an important role in signaling the purpose of a particular file to your computer, it is possible for different types of files to have the same extension. An example...

Visual Basic is one of the most popular development languages in use today. The graphic controls in Visual Basic are one of the strong points of the language. Built-in visual components such as...

A flow chart is defined as the visual representation of the flow of data or a process.

Flowcharts use predefined symbols and shapes to describe what is happening to data during any given process, breaking down potentially large and complex information into visually understandable...

Using an Excel macro, you can do almost anything that you can do manually. Although using a macro to change a sheet name in Excel can be daunting if you've never written a macro, once you have the...

SQL, or Structured Query Language, is an industry-standard computer language used in conjunction with relational database management systems (RDBMS). It is used to manipulate and query data in a...

There are a number of ways you can go about creating a calculator program in Java. This article will provide a calculator implementation that will perform operations when provided with a string...

Typically SQL is used to write queries to select specific data from a database, yet SQL is a versatile programming language featuring iteration, variables and arithmetic operations. SQL, in fact,...

The enum type is a new feature in the Java 1.5.0 language, designed to solve weaknesses in the way enumerated values were handled in prior Java versions. At its most basic, it adopts a structure...

The vector class in the C++ Standard Template Library serves as an alternative to the simple array. They are almost as fast as standard arrays, however they contain efficient functions for adding...

Once a computer program is installed and used, it sometimes requires updating due to output errors or changes in user requirements. An application program developed using the Visual Basic language...

Visual Basic for Application files (VBA) are used for small application programming for Microsoft software such as Excel. The files are saved on the user's machine and used by Excel to run code to...

Memory corruption in your software can be very frustrating to debug. It helps, though, to understand what causes memory corruption and how to go about fixing it. Memory can be corrupted by a...

Microsoft Excel is a spreadsheet application with many functions and great versatility. Excel spreadsheets are used for calculations, forecasts, data gathering and analysis. Microsoft Word is a...

A game engine is a piece of software that is used to create many different sorts of games. A good, robust engine performs the tasks common to many games, so that game creators need only design the...

All Java programs require the use of a special piece of software, the Java Virtual Machine, in order to run. This program provides applications with a stable environment that does not change...

During computer programming, it is possible to experience errors or problems with the instructions or files used to power a particular program. There are a number of software programs that help...

Overflow errors display during a debugging process when the result "overflows" a number size or a number type outside of the original variable's definition. In other words, the result "overflowed"...

Visual Basic Scripting (VB Scripts) is a type of Visual Basic programming that is used in text files. The Windows operating system recognizes the scripts as executables and runs the lines of code...

A computer script is a programming language designed to control and manipulate software. Scripts are the basic code that enables the simplest of computer commands to be carried out. Learning all...

In the classic guessing game of Hangman, a hidden word is revealed one letter at a time as the player guesses the letter. If the player guesses a letter not in the word, a drawing of a man on a...

Creating an HTML link that opens a user's email with a pre-defined subject line is very simple and quick to do. We can use the HTML "mailto" protocol. In addition to a subject line, an email body...

Computer programs are designed by programmers for a variety of uses, usually to automate manual tasks that take a long time to complete. An apartment billing program, for example, eliminates...

Creating Adobe PDF (Portable Document Format) files with an application written in the C programming language could potentially involve many hours of deciphering Adobe's documentation. But, at...

Unified Modeling Language (UML) is a graphical language for diagramming software structure, interactions and deployment. UML 2.0 features 13 types of diagrams for documenting the software...

For a Microsoft Windows computer on a network, the "Computer Name" is important because it helps users elsewhere on the network tell which computer is which to locate a particular machine, and may...