Articles Written by Lea Hayes

Selecting a Geometrical Object

Learn about a method of selecting a geometrical object which is described by its vertices. This article might be of use if you are creating 2D or 3D shape related software.

Cool Color Selector Including Hue, Saturation, and Lumination

This color selector helps to make selecting colors more efficient. This article contains full source code of the color selector and a demonstration application. (The demo project, source code, and illustration were updated.)

Standard Template Libraries: Using std::vector Arrays

The vector array, part of the standard namespace (std::), allows you to easily create a dynamic array of elements. The vector class belongs to the STL (Standard Template Libraries). Read on to learn when and how to use a vector array.

Top White Papers and Webcasts

  • Lenovo recommends Windows 8 Pro. "I dropped my laptop getting out of the taxi." This probably sounds familiar to most IT professionals. If your employees are traveling, you know their devices are in for a rough go. Whether it's a trip to the conference room or a convention out of town, any time equipment leaves a user's desk it is at risk of being put into harm's way. Stay connected at all times, whether at the office or on the go, with agile, durable, and flexible devices like the Lenovo® …

  • When individual departments procure cloud service for their own use, they usually don't consider the hazardous organization-wide implications. Read this paper to learn best practices for setting up an internal, IT-based cloud brokerage function that service the entire organization. Find out how this approach enables you to retain top-down visibility and control of network security and manage the impact of cloud traffic on your WAN.

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