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libcurl网络连接使用tcp/ip - C/C++ - 清泛网 - 专注C/C++及内核技术
...l网络连接使用tcp ip,部分代码如下:CURL *curl;CURLcode res;const char *request = "GETas.xxxxE测试发送"; curl_socket_t sockfd; * socket * ...部分代码如下:
CURL *curl;
CURLcode res;
const char *request = "GETas.xxxxE测试发送";
curl_socket_t sockfd; /* socket */
...
Boost智能指针——shared_ptr - C/C++ - 清泛网 - 专注C/C++及内核技术
...指针,首先让我们通过一个例子看看它的基本用法:
#include <string>
#include <iostream>
#include <boost/shared_ptr.hpp>
class implementation
{
public:
~implementation() { std::cout <<"destroying implementation\n"; }
void do_something() { std::cout << "did some...
c++ Timer使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...方法,均提供实例参考。窗口应用程序使用Timer:
#define TIMER_ID 1000 //定时器ID,可任意。触发后回调函数中用于区别不同的定时器以执行不同的任务
SetTimer(TIMER_ID, 1000 , NULL); //启动定时器,1秒后触发
KillTimer(TIMER_ID); //取消...
NSIS脚本编程(持续更新) - 更多技术 - 清泛网 - 专注C/C++及内核技术
NSIS脚本编程(持续更新)NSIS MessageBox 中无法换行?NSIS中 $ 不但是变量常量的开头,还是一个转义字符,因此换行符应该$ n。messagebox::show MB_SETFOREGR...NSIS MessageBox 中无法换行?
NSIS中 $ 不但是变量常量的开头,还是一个转义字符...
app inventor 里的换行符是什么? - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!
引用: Linux(unix) 和 mac 默认使用 "\n" 作为换行符;Windows 默认使用 "\r\n" 作为换行符;"\n" 在 ACSII表中 对应 LF , ACSII值为 10 ,即0x0a (16进制) "\r" 在ACSII表中对应 "CR", ACSII值为 13 ,即0x0d (16进制)...
Pandas get topmost n records within each group
Suppose I have pandas DataFrame like this:
3 Answers
3
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Multiple glibc libraries on a single host
Multiple glibc libraries on a single host
11 Answers
11
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Random row selection in Pandas dataframe
Is there a way to select random rows from a DataFrame in Pandas.
6 Answers
6
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print call stack in C or C++
Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this:
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warning about too many open figures
In a script where I create many figures with fix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
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