采用assymetric/decryption规则加密的类. The RC4Crypt class allows you to use RC4 assymetric encryption/decryption algorithm in PHP. It handles all conversions, XORing and one single function allows you to both encrypt and decrypt the data.
坐标系转换公式大全 本文译自国际石油技术软件开放公司（ http://www.posc.org ） 文献“ Coordinate Conversions and Transformation including Formulas ”part 2 ––“Formulas for Coordinate Operations other than Map Projections”。原文献由EPSG（欧洲石油勘探组织）编写，初稿时 间1995，最新更新时间2004 年1 月。译文最后附世界各国参考椭球
About this manual 13 Using this manual..14 Accessing Actionscr ipt documentation15 Actionscr ipt learning resources.. 17 Chapter 1: Introduction to Actionscr ipt 3.0.. 19 About Actionscr ipt..19 Advantages of Actionscr ipt 3.0.20 What’s new in Actio
The DS18B20 Digital Thermometer provides 9 to 12-bit (configurable) temperature readings which indicate the temperature of the device. Information is sent to/from the DS18B20 over a 1-Wire interface, so that only one wire (and ground) needs to be co
本文译自国际石油技术软件开放公司（ http://www.posc.org ） 文献 “ Coordinate Conversions and Transformations including Formulas ”part 2 ––“Formulas for Coordinate Operations other than Map Projections”。原文献由EPSG（欧洲石油勘探组织）编写，初稿时 间1995，最新更新时间2004 年1 月。世界各国参考椭球体参数及基准面转换参数，可
