Computer Programming

Visual Basic provides many objects to build a solid graphical user interface or "gui" that conveys meaning to the user of the application. Changing the color of buttons provides feedback to the...

A login is required in a computer system. It is used to authenticate the identity of a user before giving him access to the program. You can create a login screen using Visual Basic 6. Visual...

Java 5 and Java 6 are similar in many ways; most, if not all, code written for Java 5 will run under Java 6. However, there are some important differences between them. Like all previous Java...

Without a doubt it can be a significant challenge to understand the programming languages that make computer applications work. However, the good news is that many of the programming languages...

Functions in the Visual Basic language cause the software to perform tasks and provide results back to the computer program, display it for the user or both. Functions always provide some sort of...

An EventListener is an object used to trigger code after a user's action. For instance, when a user clicks a button, an event is triggered. Without any type of coding, nothing happens when the...

Microsoft Visual Basic 6.0 is a development environment that you can use to create applications involving extensive user interaction. In terms of such applications, Visual Basic is different from...

MySQL Injection is act of inserting MySQL statement into a database without the knowledge of the owner of the database. It is generally done by exploiting user input fields that are not protected...

Vertical scroll bars are components in Visual Basic that allow users to move a text box or form up or down. It's used mainly in applications where there is more information on the screen than can...

An example of ActiveX in action is when a user views Microsoft documents in a web browser. This is unlike a user viewing PDF files, which require the use of Acrobat Reader. These documents are...

The primary purpose of Java Servlets in the Struts framework is to handle electronic request that are made by a user's web browser or user action. The Struts framework users JavaServer Pages (JSP)...

Two of the most common administration tasks for the MySQL server are creating and managing user accounts and monitoring system logs. User accounts are assigned from within the MySQL server and...

MySQL provides permissions (privileges) based on the level of operation of the user. Administrative privileges manage the operation of the server. Database privileges are specific to the...

MySQL is an enterprise-ready, open source database used by individual web developers as well as companies such as Yahoo!, Google and YouTube. It is the database portion of the LAMP (Linux,...

C is an older programming platform that developers use for small shell coding in applications. C is useful for command line operations, scripting, and gaming development. When using C for the...

Cookies are a handy way for programmers to place settings and information on a user's browser. Cookies save information such as a username, id, or other information that is unique to the user and...

Creating a secure login to your Web site will secure and protect it from unauthorized access. It also allows you to customize your Web site for users depending on their login information. The...

User-defined exceptions allow the programmer to handle errors in the application with customized responses. Creating these functions makes an application more easily understood and user friendly....

Visual Basic is a computer programming language designed primarily by the Microsoft corporation for use in its IDE (Interactive Development environment) and operating system. The user interface...

Part of an eventful user experience on web sites is providing graphics and interactivity for the user. One activity is a change of the mouse icon when hovering over objects. Just like a video...

Part of programming is making your application easy for users. Interacting with the current file system is important for some applications where the user adds, edits and deletes files. Knowing how...

When building a web site with php, it is often done to customize a site, and to create dynamic HTML pages that change for each user. To do this, you need to have a database that can be read by the...

Even writing a simple computer program can be quite difficult. More planning goes into the process than most people will think. Computer programs come about when someone stumbles upon a problem...

Ruby is an extremely powerful programming/scripting language. With powerful capabilities and an efficient syntax, many things are possible with Ruby. This article explains how to read input from...

The best way to learn a computer language like C++ is by writing simple programs and slowly working toward more complicated programs. The "Favorite Number" program is a step beyond the "Hello...

Analysis and design are the first two phases of the software life cycle. It's important not to get stuck and to move rapidly through analysis and design so that tests of the proposed system can be...

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...

If you have a website and want to keep some of the content on it secure against unauthorized users, you'll need a way to let authorized users log in to your system securely. A PHP script (in...