Programming

UML is a standard, visual modeling language that comes into play in all stages of the software development life cycle: modeling business processes, conceptualizing system functions, visualizing and documenting software artifacts, developing object-oriented software. In other words, UML is a language that allows the writing of a software system's blueprint in a way that can be easily understood by various stakeholders, including business analysts, project managers, system and database architects, etc. This introduction, by VTC author and corporate trainer Nancy Conner, covers UML basics and goes into detail about the most common kinds of UML diagrams.
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UNIX is a family of operating systems. UNIX Shell is common in text-based or command-line UNIX programs. The commands of UNIX shell are compatible with all brands of UNIX, including Linux. This Virtual Training Company tutorial teaches the fundamentals of UNIX Shell even if you have no prior knowledge of UNIX or UNIX Shell commands. Author Mark Virtue helps you get a better understanding thorough demonstrations of processes such as logging in, copying files, combining programs, using telnet, and more.
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Virtual Training Company's Unix Shell Scripting Advanced course is recommended for the more advanced user who has a working knowledge of basic UNIX Shell operation. This course describes how to create programs using the syntax and features of the UNIX Shell, focusing on the most popular---the Bourne Shell. In this eight hour tutorial, author Mark Virtue will demonstrate techniques that will be compatible with all brands of UNIX, including LINUX.
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Many new system administrators have been thrown into managing a Unix or Linux system without getting the opportunity to learn the fundamentals that all administrators need. Whether a seasoned Windows administrator or a novice Unix admin, you'll learn many essential concepts that will enable you to become a better, more knowledgeable and experienced system admin. Veteran VTC author Bobby Rogers will show you the basics, from getting around within the command shell, to more advanced sys admin essentials such as creating user accounts, securing your system and network, managing hardware and software, and much more. This course is a MUST for an up-and-coming Unix administrator.
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This course is an introduction to developing Java applications for various runtime environments. Author Todd Perkins explains how to configure the development environment, connect a web application to a MySQL database, and build a user interface with the Swing framework. The course also covers publishing applets in a web browser, working with XML data, and creating apps for Android devices.

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Join author Barton Poulson as he introduces the R statistical processing language, including how to install R on your computer, read data from SPSS and spreadsheets, and use packages for advanced R functions. The course continues with examples on how to create charts and plots, check statistical assumptions and the reliability of your data, look for data outliers, and use other data analysis tools. Finally, learn how to get charts and tables out of R and share your results with presentations and web pages.

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Enhance productivity by automating routine tasks and providing custom functionality not built into Access with a few basics in VBA code. Author Curt Frye introduces object-oriented programming and provides database designers with a foundation in the Access object model and the Visual Basic for Applications (VBA) programming language. The course covers automating tasks with macros, working in the Visual Basic Editor, writing functions, adding logic, reading data, controlling forms, and more.

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In Up and Running with VBA in Excel, Excel and VBA expert Curt Frye introduces object-oriented programming and shows how to automate routine tasks and provide custom functionality to enhance Excel performance and efficiency. This course introduces the Visual Basic for Applications programming language, covers creating subroutines and functions to hold code, and provides a solid grounding in the Excel 2007 object model. Programming techniques are demonstrated through real-world examples. Exercise files accompany the course.

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Make your programs and games more engaging with mouse and keyboard interactions!

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Installing a Perl/CGI script doesn't have to be difficult, and making small modifications shouldn't take a rocket scientist. Designed for the web professional, Using Perl/CGI Scripts explains in simple step-by-step instructions how a CGI script works. You will acquire the skills you need to edit and install a Perl script on your server, and even make simple modifications without having to hire an expensive programmer! Complete with working examples of counters, contact forms, and even a web blog, Using Perl/CGI Scripts will guide you through the process of customizing and installing these scripts on your own web site. 

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