我正在学习vim教程中的vimtutor,并且正在尝试写一个文件。 当我输入:w时,我得到的是E212: Can't open file for writing。 当我输入:w !sudo tee %时,我得到 \Vim\vim81\tutor\tutor) was unexpected at this time.
shell returned 1 如何修复此错误?
作为初学者,我开始学习一些关于vim的新命令选项,在尝试Modeless vi时,我输入了命令vim -y [name of the file to edit],但没有找到返回终端的方法,而是关闭了它。
我知道上面的命令在插入模式下运行vim,而不使用命令模式,但是我的问题是,在同一终端中是否有办法退出vi?
下面是来自vimtutor的一段话:
Lesson 2.1: DELETION COMMANDS
** Type dw to delete a word. **
1. Press <ESC> to make sure you are in Normal mode.
2. Move the cursor to the line below marked --->.
3. Move the cursor to the beginning of a word t
作为背景,我使用com.jexcel.util.ExcelAdapter来保护通过jasperreports生成的excel文件的密码。当在windows中执行时,它目前工作得很好,但现在在linux服务器中执行我的java代码时会导致一个错误。
上面写着:
java.io.IOException: Cannot run program "cmd": java.io.IOException: error=2, No such file or directory
at java.lang.ProcessBuilder.start(Unknown Source)
at j
当我试图在Ubuntu的Virtual上安装Kali-Linux时,我得到了这个错误。
Failed to open a session for the virtual machine Kali-Linux-1.1.0.
VT-x is disabled in the BIOS. (VERR_VMX_MSR_VMXON_DISABLED).
有人能帮我解决这个错误吗?
我刚升级到14.04,当我尝试升级时,我得到:
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
linux-generic : Depends: linux-image-generic (= 3.13.0.55.62)
我试着在python3经营熊猫。但我得到了以下错误。
user@client3:~/smith/Python$ python3
Python 3.7.0 (default, Oct 3 2018, 21:22:25)
[GCC 5.5.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import pandas as pd
Traceback (most recent call last