Computer Programming

Ruby on Rails is a very easy and powerful platform to create web applications in an efficient way. Here are the tips how do we install it on our system.

Writing a file in PHP usually involves writing a text file. What the text file is used for is up to the developer. Most text files that are created by PHP contain configuration information for...

Unix is a computer language that allows the performance of commands through the use of text in a simple interface. Solaris, Linux, BSD and the Mac OS are all built on the Unix framework. Unix has...

MySQL is a free open source relational database management system (RDBMS). Setting up and installing MySQL on Windows can be a challenging task for a first-time user; however, the possibilities...

Structured Query Language is a database language that retrieves information from databases and displays it to the user. Its replace keyword function can search a string for one or several...

Public key cryptography (PKI) is used on the Internet to permit secure business transactions and provide a secure environment on the Web when required. One method of using PKI is a combination of...

The Java Virtual Machine (JVM) is the execution component of the Java Runtime Environment (JRE) that interprets and executes the byte code stores in a Java class. Within the Java Virtual Machine...

Microsoft SQL Server is a relational database management system (RDBMS) developed by Microsoft. The language used to manage and administer the database server is SQL. Everything in a database ends...

When you first start the MySQL server, you must create a blank database and fill it with tables. Before setting up the database and the tables, you should know how you want to structure your...

This article will teach you the basics of using SQL Server's INSERT INTO command. Once you've got the syntax down it is really quite easy!

The term "Awk" actually has two meanings. It is both a programming language and a utility. To run an Awk script (program) you must call the Awk utility. It is used for text processing and report...

This is a list of the most basic commands in Logo, organized from the most basic to the most complex.

A JAR file is an archived file created with the Java Archive Tool. The software used to create JAR files is part of the Java JDK software development kit and is available for most operating...

The Unix Operating System was created using the C programming language. Therefore, there is support for C programming in every Unix and Linux operating system. Whenever you install a software...

Perl is a command line and server side scripting language created by Larry Wall to process reports more efficiently. The language makes heavy use of regular expressions to process text files and...

When a system error happens to a mySql database, or when a table simple receives a large amount of incorrectly formatted data, the table indexes may become corrupt. The mySql system will inform a...

PHP extensions (or packages) are distributed through PEAR (PHP Extension and Application Repository). These extensions are reusable code and applications written for PHP by third party developers....

SQL, or Structured Query Language, which allows for the creation and editing of databases, is one of the easiest Web-based programming languages to understand. The commands are intuitive, and...

The BAT extension for a computer file name stands for "batch" file. It is a file that contains a series of instructions for the computer to follow. All these instructions could be executed on...

In Unix, the command line gives you access to a wide range of tools, as well as the ability to combine them to solve any task at hand. However, there are times when it may be useful to turn...

Getting started writing computer programs can appear at first to be a challenging task. If you have never programmed before but have taken a class in a foreign language, you can think of computer...

Java is an object-oriented programming language originally developed and released by Sun Microsystems in the mid-1990s. Java was developed from the start as an object-oriented language that could...

CPanel is a popular web hosting management program that has a graphical user interface that makes it easier to navigate than other similar programs. Although cPanel offers great control of the web...

Microsoft Visual Basic is a lower-end programming language that is easier to learn and use than the more complex languages like the famous "C++." With its overall simplicity and large...

The Basic programming language is just that--basic. It uses commands and terms that make basic sense to just about anyone that would read them. It stands to reason, then, that even though it is...

There will come times when you are searching a listbox based on the text of the item as opposed to the index. Here is how it is done.

A good way to make sure users do not click buttons on a form until they actually enter something is to keep it disabled until text is entered. Here are the steps to do just that.

Writing portable Perl code has plenty of advantages. One main advantage is that you can write it once and run it on any platform. Therefore, the need to port the code to a new operating system is...

Batch files enable you to automatically run DOS commands on a Windows PC. If you have either Windows 95 or Windows 98 on your computer, you can use the CHOICE command to program choices in a batch...

As a portable, simple and versatile language, PERL has become popular for working on web-based scripts and programs. Originally developed for UNIX, PERL has a straightforward structure and a...

Sequence Query Language, or SQL, is one of the oldest computer languages designed to communicate with relational databases. Developed in the late 1970s, SQL is still a powerful language used by...

Command-line parameters are special words that convey technical information to a program during launch. A user can pass them externally from the command line or from a Windows interface such as...

VBScripts have many different functions. A VBScript can be used to write functions in Internet Explorer pages and is very similar to JavaScript. VBScripts can also be used on a network to run...

Visual Basic is a wonderful program with many modules. You can use it in combination with Microsoft Office programs or by itself. Use the "Draw" command to get the results you need. Some special...

In the Python programming language, knowing how to use an interactive environment can speed development times and allow you to try things without saving them to a file. Interactive programming,...

Python is an object-oriented computer programming language which many programmers use for software development. Python code is easy to maintain and relatively simple to learn. However, before...

There are three primary actions that a SQL programmer must make with information in a database. These are the insert command, the update command and the delete command. The delete command allows...

Perl has an immense collection of user-created modules known as the "Comprehensive Perl Archive Network," or CPAN for short. These modules are added to your Perl environment with the CPAN command....

No computer program ever works as intended on the first try. Programmers make mistakes, which can range from typos, to mistakes made because the programmer didn't understand something, to...

One of the most important Informix SQL commands to learn is the update command. By using the update command you can change data in the database you are working with. It can be a dangerous command...

"CButton" is the MFC class that allows programmers to manipulate command buttons. Command buttons are ubiquitous in programs with a graphical user interface. They are the small rectangles with a...

When it comes to color, the Visual Basic studio brings a rich set of tools to the table. The multiple approaches in VB give you the flexibility and potential for creating dynamic color...

Today's web designers are paying careful attention to CSS syntax and procedures as it becomes a driver of 21st century design and a W3 industry standard. One of the many neat tricks of CSS is the...

As CSS becomes a driving force is new web page design, many are discovering how the language makes coding pages different from straight HTML. One main idea in CSS is the difference between...

As Visual Basic is a main driver of web programming technology, it makes sense to figure out the basics of the language. A function-linked button, or command button, in Visual Basic is the tool...

As JAVA has become a very popular tool for both application and web programming, it pays to have an understanding of the basics of the programming language. To read from a file in JAVA, you have...

As the designing world recognizes Cascading Style Sheets, or CSS, as a style standard, it is good to get an idea of the basics involved. A simple CSS indicator consists of three parts: a selector,...