我是Ubuntu和Git的新手。如何验证我是否在我的机器上安装了git?当我尝试的时候我得到了:
root@ubuntu:/home/nebojsa# apt-get install git
Reading package lists... Done
Building dependency tree
Reading state information... Done
git is already the newest version.
The following packages were automatically installed and are no longer req
我正在使用SQLite FTS查找文本文章中的文本:
SELECT count(*) FROM enrondata1 WHERE content MATCH 'linux';
这将返回包含 linux 的文章数,但不返回在每篇文章中找到linux的次数。但我还需要linux发现的实际次数,而不仅仅是文章数量。例如,我可能有两篇关于linux的文章,但是在每篇文章中都有10次,所以实际上有20个linux单词。我怎么能找到这个数字,也就是20?
我试图在Lua过滤器中在一个标记头周围添加一个div,但是标题前面的#消失在输出中。
Header = function(el)
if el.level == 1 then
local content = el.content
local pre = pandoc.RawBlock('markdown','::: test')
local post = pandoc.RawBlock('markdown',':::')
table.insert(content
dpkg: error processing linux-generic,在sudo apt-get install -f时遇到依赖错误
Setting up linux-image-generic (3.2.0.60.71) ...
dpkg: dependency problems prevent configuration of linux-generic:
linux-generic depends on linux-image-generic (= 3.2.0.58.69); however:
Version of linux-image-generic on system i
我在Xubuntu 18.04遇到了一个很奇怪的问题.我在sudo apt update之后运行了以下命令:
sudo apt upgrade
但它会导致一个错误:
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out
可能重复:
所以我有这样的代码,它有一个和函数,把n个元素和到一个向量中。
C++语法(Toggle明文)
#include <iostream>
#include <vector> // need this in order to use vectors in the program
using namespace std;
void computeSum (vector<int> &Vec, int howMany, int total, bool success)
//the computeSum function that
众所周知,Bash/终端中的cd /将您带到根目录,而不管您以前在哪里:
brian@brian-linux:~/redis-3.0.3$ cd /
brian@brian-linux:/$ pwd
/
brian@brian-linux:/$ ls
bin dev initrd.img.old libx32 opt sbin usr
boot etc lib lost+found proc srv var
cdrom home lib32 media r