用visual foxpro编写，用户自行输入数据，可以进行一元线性回归的有关计算

为朋友用VFP 编写的图书管理系统,功能：新增，修改和删除图书信息，并可以直接用打开路径（ebook)文件。

VFP的GB转换UTF8代码，n年以前写的了，仅供参考

VFP控制Excel、Word技术大全。包括创建对象、所有相关操作，图表技术等。

AES 128 (requires a 16 character Key)、AES 192 (requires a 24 character Key)、AES 256 (requires a 32 character Key)、Blowfish (key between 1 and 56 characters)、TEA (requires a 16 character Key)、RC4 (Key can be any length)；SHA1 (a.k.a SHA160)、SHA256、SHA384、SHA512 t、MD5、RIPEMD128、RIPEMD160等

vfp 背后的秘密，经典。 Who Needs This Book? We love Visual FoxPro. We'd rather use it to develop applications than any other product we've ever worked with. But (isn't there always a "but"?) Visual FoxPro isn't perfect. Some parts of the language don't work as they should. Others do what they're supposed to, but we can't imagine why anyone thinks you'd want to do that. And some pieces do exactly what they're supposed to and it's a good thing to do, but it's hard as heck to understand. We should add that the Visual FoxPro documentation is good—in fact, it gets better with each new version—but there are still too many places where it's incorrect, incomplete, or sometimes a bit incomprehensible. Enter this book. This is the book for the times when you've done just as the manual shows, but it still doesn't work and you're running out of hair to pull out. It's for those days when you think you've found a command that does what you need, but you can't make any sense of what Help has to say about it. We'll tell you how it really works or why you shouldn't do it the way the manual shows—or tell you that it doesn't work at all, and show you how to do it another way.

vfp读取access方法

vfp读取数据表内容，并将结果写到文本文件中

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这是一个VFP纯PRG的GridHeader类， 它的功能是单击一下升序， 再单击一下降序， 再单击一下原序。 把这个类代替原来的Grid的Header类就可以了， 不必再加其它任何代码！