Courses

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Videos and exercises on trigonometry. Watch the Khan Academy "Geometry" playlist first if you have trouble understanding the topics covered here.

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The Cisco 642-832 exam is one of the three required exams for the Cisco CCNP Certification. Passing this exam in conjunction with the ROUTE and SWITCH exams will earn you the CCNP (Cisco Certified Network Professional) certification, which is an excellent validation that you are knowledgable about the most current Cisco software and best practices. This course will teach you the basics of troubleshooting and walk you through several scenarios to put these methods to the test.
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In this course, author Maria Langer explains how to use Twitter, the social network for sharing short bites of information instantly. The course walks through building and customizing an individual profile, reading and sending Twitter updates (called tweets), and building a network of followers. The training also describes how to get the most out of Twitter by following trending topics, configuring privacy settings, establishing a business presence, and tapping into third-party resources that make it easier to follow, send, and schedule tweets.

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Join author Anne-Marie Concepción as she shows you how to leverage the power of tweeting for business promotion and customer engagement. This course reviews the basics of tweeting for business and shares smart ways to set up an account that reflects your brand. It explains how to tweet strategically in order to engage customers and attract followers. Anne-Marie also offers suggestions for creating a richer Twitter experience, managing your feed and activity using third-party apps and utilities, and integrating Twitter with other marketing endeavors.

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Learn how to choose fonts for a web site and create beautiful, legible type. Author Laura Franz shares how to create designs that maximize readability (and keep visitors on the page) by paying attention to details in size, line-height, line length, alignment, color, vertical space, and more. Laura also demonstrates how to incorporate web fonts, style type with CSS, and pick fonts that work well together.

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Linux is the most important operating system on the Internet. It's recognized everywhere as the cost-effective way to operate all kinds of servers. With the support of powerhouses like IBM, Dell, HP, and Sun, demand for Linux servers is growing. Ubuntu has quickly become one of the most popular distribution among Linux users, and the Ubuntu Certified Professional is the credential for administrators who want to prove their skills with this distribution. This "how to" course by VTC author Mike Jang, uses practical examples to demonstrate the skills tested by the UCP exam.
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Ubuntu Linux is a free, general-purpose operating system for the PC desktop that often rivals Microsoft Windows and Macintosh OS for ease of use, security, and freedom from restrictions. Since its founding a few years ago, Ubuntu Linux has become extremely popular and has helped popularize free and open source software. This step-by-step beginner's course to Ubuntu Linux is designed to guide a user with no previous linux experience. This course, presented by VTC author Chess Griffin, also the host of "Linux Reality," a popular podcast for new Linux users, starts at the absolute beginning. Including an explanation of what Linux is, how to obtain a free copy of Ubuntu Linux, and how to boot the "live" CD to test Ubuntu Linux. You will learn configuration, customization, adding software to the system, working with the desktop environment, as well as the many included programs and features of Ubuntu Linux.
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Linux is the most important operating system on the Internet. It's recognized everywhere as the cost-effective way to operate all kinds of servers. With the support of powerhouses like IBM, Dell, HP, and Sun, demand for Linux servers is growing. Ubuntu has quickly become the most popular distribution among Linux users. And Ubuntu Server edition is quickly becoming the way to implement Linux in the enterprise. This "how to" course by VTC author Mike Jang, uses practical examples to demonstrate the skills you need to use Ubuntu Server edition.
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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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Take an in-depth look at nCloth, the Maya toolkit for simulating high-resolution mesh cloth for 3D characters and animations. Author Aaron F. Ross explains the roles played by the various "actors" in an nCloth simulation, including the nucleus solver, nCloth objects, passive colliders, and nConstraints. The course begins with basic simulations such as flags and ropes, then progresses to building a simple garment, until finally integrating animation and special effects like falling leaves and tearing cloth. Aaron also covers performance optimization techniques such as nCloth and nucleus solver settings, proxy objects, collision layers, the Wrap deformer, and more.

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