1.TreeView选择事件执行两次 Very often, we need to execute some code in SelectedItemChanged depending on the selected TreeViewItem. ButSelectedItemChanged is called twice. This is due to stealing focus from the main window, which is screwing something up. Wha…
1) have a root privilege shell or be on the sudo list. 2a) At a root shell prompt (#) yum install net-tools 2b) User account on the sudo list sudo yum install net-tools If the package is installed it will state so and exit yum. (Then it sounds like a…
解决方法1:在MySql安装目录下找到my.ini,将[mysql]下的default-character-set=latin1改为default-character-set=utf8,保存,然后重启MySql服务就可以从命令行成功导入了.缺点,因为部署的话,可能无法配置用户的计算机,那么方法一就无用武之地了... 解决方法2:在数据库脚本文件开头加入一行 set character set utf8; 解决方法3: a. use database_name; b. set names u…