docker-desktop我正在尝试从这里安装。我下载的.deb包是：
sudo dpkg -i docker-desktop-4.8.1-amd64.deb
但我遇到了一些缺少依赖项的问题：
(Reading database ... 422535 files and directories currently installed.)
Preparing to unpack docker-desktop-4.8.1-amd64.deb ...
Unpacking docker-desktop (4.8.1-78998) over (4.8.1-78998) ...
dpkg: dependency problems prevent configuration of docker-desktop:
docker-desktop depends on docker-ce-cli; however:
Package docker-ce-cli is not installed.
docker-desktop depends on pass; however:
Package pass is not installed.
dpkg: error processing package docker-desktop (--install):
dependency problems - leaving unconfigured
Processing triggers for mailcap (3.70+nmu1ubuntu1) ...
Processing triggers for gnome-menus (3.36.0-1ubuntu3) …我正在使用 ubuntu 16.04 当我尝试使用以下命令编译程序时
g++ -g main.cpp -o main
这是我的 g++ 版本
g++ --version
g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
我收到这个编译错误
main.cpp:8: undefined reference to `Helper::IsStringNumeric(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
collect2: error: ld returned 1 exit status
主要.cpp：
#include "Helper.h"
#include <iostream>
#include <vector>
int main()
{
std::cout << Helper::IsStringNumeric("200");
} …