Mês: Abril 2005

HTTP Pocket Reference – HTTP Transactions A basic Particles System Introduction to the basic idea of the particles systems, and how to create basic effects such as explosions and water fountains I/O Ports Uncensored Part 2 – Controlling LCDs (Liquid Crystal Displays) and VFDs (Vacuum Fluorescent Displays) with Parallel Port Controlling LCDs (Liquid Crystal Displays) […]

Socket Programming in C# – Part 1 – Introduction Socket Programming in C# – Part 2 – Introduction A Simple .NET TCP Socket Component Socket Programming HOWTO So first, let’s make a distinction between a “client” socket – an endpoint of a conversation, and a “server” socket, which is more like a switchboard operator. The […]

More Information on the XPathDocument/XmlDocument Change in Whidbey beta 2 XmlDocument and XPathDocument Use XPathDocument instead of XMLDocument when doing XSLT to significantly boost peformance.

http://www.rfidexchange.com/forum/topic.asp?TOPIC_ID=10&SearchTerms=range,frequency frequ?ncias t?picas – 125Khz (magnetic) — This frequency range was the RFID industry’s first, since the early 1980’s. Read ranges are typically inches to several feet. – 13.56 MHz (magnetic) => 60-80cm — “you get natural noise from all around (mainly the sun) that gives you a read range of about 2-3 feet max, […]