<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[老张的技术文献]]></title><description><![CDATA[分享大过天]]></description><link>https://blog.youkuaiyun.com/z2e0n0e2</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; z2e0n0e2]]></copyright><item><title><![CDATA[Python 类实例化时变换实例的类]]></title><link>https://blog.youkuaiyun.com/z2e0n0e2/article/details/4304314</link><guid>https://blog.youkuaiyun.com/z2e0n0e2/article/details/4304314</guid><author>z2e0n0e2</author><pubDate>Sun, 28 Jun 2009 10:48:00 +0800</pubDate><description><![CDATA[代码： class a():    def p(self):        print a            def ap(self):        print apclass b():    def __init__(self):        print self.__class__        self.__class__ ]]></description><category></category></item><item><title><![CDATA[Windows 下 PostgreSQL（no installer）的安装方法]]></title><link>https://blog.youkuaiyun.com/z2e0n0e2/article/details/4088506</link><guid>https://blog.youkuaiyun.com/z2e0n0e2/article/details/4088506</guid><author>z2e0n0e2</author><pubDate>Fri, 17 Apr 2009 22:38:00 +0800</pubDate><description><![CDATA[本文以 PostgreSQL 8.3.7-1 为例，可以到 http://www.postgresql.org/ 下载 postgresql-8.3.7-1-binaries-no-installer.zip。 Only PostgreSQL 8.2 and above are supported on Windows. 之前大家都是通过 Cygwin 虚拟 UNIX 环境来安装 Post]]></description><category></category></item><item><title><![CDATA[【使用Excel.Application对象打开的xls文件】与【手动打开的xls文件】在关闭时相互干扰的解决办法]]></title><link>https://blog.youkuaiyun.com/z2e0n0e2/article/details/3917153</link><guid>https://blog.youkuaiyun.com/z2e0n0e2/article/details/3917153</guid><author>z2e0n0e2</author><pubDate>Sat, 21 Feb 2009 13:26:00 +0800</pubDate><description><![CDATA[本人在软件开发过程中遇到了标题所指的问题，在两篇相关讨论（见参考资料【1】【2】）的帮助下，想到了一个不错的解决方法。 当我们在程序中使用Excel.Application对象打开xls文件时，通常会使用如下的代码：（以VB为例）Private xlApp As Excel.Application  声明 Excel 程序对象Private xlBook As Excel.Workb]]></description><category></category></item></channel></rss>