我试图从这里运行代码,和我发现自己被这个错误信息困住了:
qt.qpa.xcb: could not connect to display
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix
今天试着更新我的系统。更新已经完成,但是当我使用sudo apt autoremove或sudo apt upgrade时,仍然存在以下错误
sudo apt autoremove
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.
4 not fully installed or removed.
After this
我正在尝试编写一个SQL (Postgres engine)查询,该查询回答了以下问题:
哪个国家的国内生产总值比亚洲的每个国家都要高?
下面的是一个简短的SQL表,包含示例数据.
+-------------+-----------+---------+------------+--------------+
| name | continent | area | population | gdp |
+-------------+-----------+---------+------------+--------------+
| Afghanist
如题,进入域名提示dial tcp 192.168.217.1:80: connectex: No connection could be made because the target machine actively refused it.访问不了..是必须要域名备案吗 谢谢各位朋友和大佬帮忙 本人小白一枚 谢谢谢谢