面朝大海,春暖花开。
看看别人怎么说的。
注意:请使用ANSI编码,编辑文本
netsh advfirewall firewall add rule name=关闭高危端口TCP dir=in action=block protocol=TCP localport=21,22,23,25,135,137,138,139,445,593,1025,2745,3127,4489,6129 netsh advfirewall firewall ...
@color 0A @title 修改远程桌面端口号 @echo off echo 请输入端口号 set /p port= reg add "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\Wds\rdpwd\Tds\tcp" /v PortNumber /t reg_dword /d %port% /f reg ad...
示例代码:
import java.awt.geom.Point2D;
import java.util.ArrayList;
import java.util.List;
public class regionUtil {
private static double EARTH_RADIUS = 6378137;
/...
方法一:SELECT CAST(‘123’ AS SIGNED);
方法二:SELECT CONVERT(‘123’,SIGNED);
方法三:SELECT ‘123’+0;
也可以使用,转换浮点数据:SELECT CAST(‘5.45’ AS DECIMAL(9,2));