我有以下代码:
enum class State : uint32_t
{
FREE,
IDLE,
COAST,
MOVE,
STOP
};
std::atomic<State> car1_state = State::IDLE; <--- Line a
std::atomic<State> car2_state(State::IDLE); <--- Line b
以下是原子头文件的片段:
// c++ header file - atomic
template<typename _Tp>
st
以下代码:
#include <vector>
struct S
{
int x, y;
};
int main()
{
std::vector<S> v;
v.emplace_back(0, 0);
}
在使用GCC编译时,会给出以下错误:
In file included from c++/4.7.0/i686-pc-linux-gnu/bits/c++allocator.h:34:0,
from c++/4.7.0/bits/allocator.h:48,
from c
我的ISP使用L2TP将用户连接到互联网。我在Windows上有一个工作连接,现在我试图将它克隆到一个Ubuntu上。当然,我得到间歇性的“服务启动失败”和“服务意外停止”错误,就像其他人一样。
第一个跳过的似乎是L2TP主机名解析。在Windows上,我用域名形式写了它;我想它是通过DHCP解决的。在Ubuntu名称解析上失败:
Started the VPN service, PID 7461
Saw the service appear; activating connection
VPN connection: (ConnectInteractive) reply received
V
基本上,此Synplify输出意味着什么:
@N: MT206 |Auto Constrain mode is enabled
@W: FX1039 :"c:\sftp_root\x002\tinyproc.v":61:3:61:8|User-specified initial value defined for instance tp.zf is being ignored.
@W: FX1039 :"c:\sftp_root\x002\tinyproc.v":61:3:61:8|User-specified initial value defined fo
我写了这段代码:
#include<vector>
using namespace std;
int i;
int j;
cin>>i>>j;
vector<vector<vector<vector<double> > > > boy_max(i,vector<double>(i,vector<double>(j,vector<double>(j,0))));
编译过程中出现以下错误:
prog.cpp: In function ‘int main()’:
pro
下面的代码类似于这个答案Why can't I make a vector of references? class A
{
public:
A(int x) : _x(x)
{
std::cout << "A : ctor\n";
}
void func()
{
std::cout << "I am func \n";
}
int getval()
{
return _x;
}
priva
当顶点管道组件启动BigQuery作业时,我遇到以下错误
google.api_core.exceptions.Forbidden: 403 POST https://bigquery.googleapis.com/bigquery/v2/projects/ddde1b02a7e52415cp-tp/jobs?prettyPrint=false:
Access Denied: Project ddde1b02a7e52415cp-tp: User does not have bigquery.jobs.create permission in project ddde1b02a7e52415
考虑一下片段:
#include <unordered_map>
void foo(const std::unordered_map<int,int> &) {}
int main()
{
foo({});
}
GCC 4.9.2的话失败了,他的信息是:
map2.cpp:7:19: error: converting to ‘const std::unordered_map<int, int>’ from initializer list would use explicit constructor ‘std::unordere
为了帮助您理解这一点,我给出了我的代码:(main.cpp),只涉及一个文件。
#include <iostream>
#include <vector>
using namespace std;
class test{
public :
int member {0};
void fun(){cout << "member is " << member << endl;}
test(){}
//test(int param) : member(param){} //this line
我有一个map<key_t, struct tr_n_t*> nodeTable,我正在尝试执行nodeTable[a] = someNode,其中a的类型是typedef long key_t,而someNode的类型是o_t*。
在stl_function.h中的执行中,我在以下时间点得到了一个分段错误:
/// One of the @link comparison_functors comparison functors@endlink.
template<typename _Tp>
struct less : public binary_fun
我对bukkit有个问题。我想做一个重复的任务,发送一个带有玩家坐标的消息。谢谢你的帮助!
Bukkit.getScheduler().scheduleAsyncRepeatingTask(this.main, new Runnable() {
@Override
public void run() {
Player tp = Bukkit.getPlayer(args[1]);
我试图使用.insert(<#const_iterator __position#>,<#const_reference __x#>)将一个元素插入到向量中。
这是我的密码:
hpp:
typedef int elementType;
class Heap{
private:
std::vector<elementType> myVecrtor;
int mySize = 1; //The minimum size is 1 since the first element is a dummy.
public:
Heap(