写了个脚本用cat>>EOF报错如下: input01.sh: line 11: warning: here-document at line 4 delimited by end-of-file (wanted `EOF')input01.sh: line 12: syntax error: unexpected end of file 原因:最后的EOF多了个空格,取消即可.…
[1]问题描述 (1)执行SQL语句: use billing; select * from cfg_dict into outfile '/home/kaizenly/cfg_dict.csv' fields terminated by ','; (2)错误提示信息: ERROR 1 (HY000) at line 1: Can't create/write to file '/home/kaizenly/cfg_dict.csv' (Errcode: 13 - Permission deni…
Description How to get vertical line cross one point which out of line in line. QPoint Line::VerticalPoint(QPoint pt) { QPointF ptCross = pt; double dtY = static_cast<double>(y1() - y2()); double dtX = static_cast<double>(x1() - x2()); double…