我需要在shell脚本中使用echo和grep。我能用吗?
我试过了,但不正确:
echo Linux: grep "Linux" ~/workspace/ep-exercicios/m1/e2/intro-linux.html | wc -w
我需要显示消息:
Linux: (number of Linux word on the document).
示例:
Linux: 945
这很奇怪,因为我的代码在在线python解释器中运行得很好,但当我在linux mint中使用Atom运行它时,当我输入一个单词时,我会收到以下错误消息:
File "<string>", line 1, in <module>
NameError: name 'lol' is not defined
以下是我的代码
# -*- coding: utf-8 -*-
word = str(input(" Enter a word : "))
reverse = word[::-1]
if reverse == word:
对于Ubuntu桌面18:04更新,我使用:
sudo apt更新
数独apt升级
但对后者来说,现在突然出现了这样的情况:
E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem
所以执行我得到的命令:
sudo dpkg --configure -a
dpkg: dependency problems prevent configuration of linux-generic-hwe-18.04:
linux-generic-hwe-
我尝试在python (在linux中)中添加数组,如下所示:
from nltk import word_tokenize
data = []
for file_name in file_list:
with open(file_name, 'r', encoding="utf-8") as file:
data = data.append(word_tokenize(file.read()))
我的file_list有20k个文件,每个文件大约5k个字,任何时候,python进程都会中止,并显示以下消息:
Segmantation Faul
我正在做一个用C++编写的从VS2010到linux环境的大型解决方案的跨平台编译。
我的问题是: linux中结构SYSTEMTIME最接近的等价物是什么?
typedef struct _SYSTEMTIME
{
WORD wYear;
WORD wMonth;
WORD wDayOfWeek;
WORD wDay;
WORD wHour;
WORD wMinute;
WORD wSecond;
WORD wMilliseconds;
} SYSTEMTIME;
提前感谢
我试图卸载nvidia-390驱动程序,它失败了,现在我没有满足依赖项。当我尝试sudo apt --fix-broken install时,这就是我所看到的:
The following additional packages will be installed:
libnvidia-gl-390 libnvidia-gl-390:i386
The following NEW packages will be installed:
libnvidia-gl-390 libnvidia-gl-390:i386
0 upgraded, 2 newly installed, 0 to remove