系統(tǒng)下,地球坐標(biāo)轉(zhuǎn)換的源代碼,在WGS-84坐標(biāo)和北京54坐標(biāo)之間的一套轉(zhuǎn)換參數(shù),可以全國通用的，在每個(gè)地方會(huì)不一樣，因?yàn)樗鼈兪莾蓚€(gè)不同的橢球基準(zhǔn)。 // WGS2GK.CPP : C++ version of Ottmar Labonde s WGSDHDN3.PAS with CPU time measurement // compile with MS Visual C++ version 6.0 or do the necessary modifications for your compiler // // Conversion of
為Delphi2005做了改動(dòng) DSPack 2.3.3 (Sep 2004). DSPack is a set of Components and class to write Multimedia Applications using MS Direct Show and DirectX technologies. DSPack is designed to work with DirectX 9 on Win9X, ME, 2000, and Windows XP operating systems. Now VMR (Video Mixing Renderer) is available on all Windows Operating Systems. DSPack 2 is designed to work with Delphi 5,6,7 and CPP Builder 6.
第三方的SQL Server and Sybase的jdbc dirver,速度更快，支持回滾（ms 原版不支持）。
Open source JDBC 3.0 Type 4 driver for Microsoft SQL Server (6.5, 7.0, 2000 and 2005) and Sybase. jTDS is the fastest JDBC driver for MS SQL Server and is a complete implementation of the JDBC spec.
