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Does Java read integers in little endian or big endian?
I ask because I am sending a byte stream from a C process to Java. On the C side the 32 bit integer has the LSB is the first byte and MSB is the 4th byte.
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How can I add (simple) tracing in C#? [closed]
I want to introduce some tracing to a C# application I am writing. Sadly, I can never really remember how it works and would like a tutorial with reference qualities to check up on every now and then. It should include:
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Check if DataRow exists by column name in c#? [duplicate]
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How to empty (clear) the logcat buffer in Android [duplicate]
How can I empty (clear) the logcat buffer in Android?
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Convert the values in a column into row names in an existing data frame
I would like to convert the values in a column of an existing data frame into row names. Is is possible to do this without exporting the data frame and then reimporting it with a row.names = call?
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原文参见：《第一个Hello,OS World操作系统》。
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ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared - c+...
#include <pthread.h>
#include <signal.h>
除了pthread.h外，还要引入signal.h头文件才行，解决。
ThreadXxx.h:100: error: ‘pthread_t’ was not declared in this scope -...
pthread_t在头文件/usr/include/bits/pthreadtypes.h中定义：typedef unsigned long int pthread_t;复制代码它是一个线程的标识符。
#include <pthread.h> 解决。
解决：Successful WSAStartup not yet performed. Error code : 10093. - c...
...没有调用 WSAStartup，或者 WSAStartup 失败。
原因：调用WSASocket等Socket函数之前必须先执行WSAStartup()初始化。
解决方法：
BOOL CxxxApp::InitInstance()
{
WSADATA wsaData;
int res = WSAStar...