2022年9月14日
CHARINDEX case sensitive
摘要： https://www.sqlservercentral.com/forums/topic/charindex-is-not-case-sensitive SELECT CHARINDEX('x', 'X') 这个不区分大小写 下面这个会区分大小写 SELECT CHARINDEX('x' coll 阅读全文
posted @ 2022-09-14 18:08 ChuckLu 阅读(20) 评论(0) 推荐(0)
What do two question marks together mean in C#?
摘要： What do two question marks together mean in C#? Ran across this line of code: FormsAuth = formsAuth ?? new FormsAuthenticationWrapper(); What do the t 阅读全文
posted @ 2022-09-14 14:29 ChuckLu 阅读(18) 评论(0) 推荐(0)
How to change your Twitter username
摘要： How to change your Twitter username Your username –– also known as your handle –– begins with the “@” symbol, is unique to your account, and appears i 阅读全文
posted @ 2022-09-14 02:44 ChuckLu 阅读(158) 评论(0) 推荐(0)