一,代码. - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. //替换回车符和空格 NSString *oldStr=@" 1 2 4 "; NSLog(@"----oldStr---%@",oldStr); //去掉首尾空格 NSString *newStr=[oldStr strin
用Nodepad++打开文件 View->Show Symbol->Show End of Line "End of Line"行结束符,由"CR", "LF"组合构成,有几种可能: "CR", “LF”, "CR"+"LF"等. 经实测, Windows中的GitBash.Linux的行结束符为“LF”, Windows的行结束符为"CR"+"
PostgreSQL相关的软件,库,工具和资源集合. 备份 wal-e - Simple Continuous Archiving for Postgres to S3, Azure, or Swift by Heroku Barman - Backup and Recovery Manager for Postgres by 2ndQuadrant GUI pgAdmin - Postgres Administration and Management GUI phpPgAdmin - The
create or replace procedure PROC_test is --Description:删除字段中的指定字符(回车chr(13).换行chr(10)) --By LiChao --Date:2016-03-01 colname ); --列名 cnt number; --包含换行符的列的行数 v_sql ); --动态SQL变量 begin --读取表中的列 for col in (select column_name from user_tab_columns where
今天发现sql数据库有个图片路径中包含空格,结果在替换和查找时,发现用空格无效,后来经过确认才发现原来是回车换行符引起,从表面看很像空格,实际是回车符,要用char(13)才能进行替换和查找 --查找异常数据SELECT PHOTO22 FROM dbo.mt_per_tbl WHERE PHOTO22 LIKE '%'+CHAR(13)+'%';--替换回车换行符UPDATE mt_per_tbl SET PHOTO22=REPLACE(REPLACE(PHOTO22,CHAR(13),'')