2009年9月2日
PATHEXT
摘要： ---------------------- Windows XP’s Run command provides a quick and easy way for experienced users to open files without the need to navigate through the Start menu or brows... 阅读全文
posted @ 2009-09-02 19:41 能巴 阅读(410) 评论(0) 推荐(0)
Perl Truth and Falsehood
摘要： Truth and Falsehood The number 0, the strings '0' and '' , the empty list () , and undef are all false in a boolean context. All other values are true. Negation of a true value by ! or not returns ... 阅读全文
posted @ 2009-09-02 10:37 能巴 阅读(200) 评论(0) 推荐(0)