出于好奇和对更多洞察力的永恒渴望:)
这里有一个CLR存储过程,它通过下面的代码将结果发送回客户端。SqlMetaData的数组附加到SqlDataRecord。每个SqlDataRecord获取通过管道发送给客户端的值。
SqlMetaData[] columns = new SqlMetaData[1];
columns[0] = new SqlMetaData("bool", SqlDbType.Bit);
SqlDataRecord record = new SqlDataRecord(columns);
SqlContext.Pipe.SendResultsSta
我正在使用一个工具(C#.Net)来分析SSIS包。这里我使用Microsoft.SqlServer.Dts.Pipeline.Wrapper.IDTSComponentMetaData100(dts.interop中的类)类来迭代数据流任务(MainPipe)。请找到下面的代码。
//Cast the Executable as a data flow
MainPipe pipe = (MainPipe)taskHost.InnerObject;
foreach (IDTSComponentMetaData100 comp in pipe.ComponentMetaDataCollectio
我从linux中的C++程序启动程序,如下所示:
char* cmd = "/bin/snmpd &"; // command to execute
FILE* pipe = popen(cmd, "r"); // pipe to command line
if (!pipe) return -1; // check if pipe worked
pclose(pipe); // close pipe
return 1;
如何通过过滤对象内部的键值来获取对象?我在下面有一些对象,我只需要拉取具有session_id:23的数据 data ={ name:“拳头名”,session_id:"23",login:"date“},{ name:"Second Name",session_id:"18",login:"date”},{ name:"Third“,session_id:"23",login:"date”}; I tried Angular Filter and Map method to filter thi
我编写此函数是为了与外部程序通信。这样的程序从stdin获取输入,并在stdout上打印其输出。为了使我的代码与这个程序通信,我使用管道将stdin和stdout重定向到缓冲区。
int query_oracle(mpz * c,int *t, mpz * m) {
int out_pipe[2];
int in_pipe[2];
int saved_stdout;
int saved_stdin;
// REDIRECT STDIN
saved_stdin = dup(STDIN_FILENO); /* save stdin for later */
嗨,我目前正在修复我的英勇错误,它们是:
==11925== ERROR SUMMARY: 9 errors from 1 contexts (suppressed: 0 from 0)
==11925==
==11925== 9 errors in context 1 of 1:
==11925== Syscall param ioctl(generic) points to uninitialised byte(s)
==11925== at 0xF8B7F47: ioctl (syscall-template.S:84)
==11925== by 0x1F770DAD: d
我有一个奇怪的问题,我似乎无法解决
from subprocess import PIPE, Popen
exeLocation = "../Engine.exe"
# Works on windows
proc = Popen([exeLocation, arg1, arg2],stdout=PIPE,shell=True])
(out,err) = proc.communicate()
# Works on Linux
proc = Popen(" ".join([exeLocation, arg1, arg2]),stdout=PIPE,shell=
如何在linux管道上设置写()的超时?
示例代码:
int fd_pipe = open("/run/some/pipe", O_RDWR);
// here i need to set timeout for 3 seconds somehow, if can't write, code will continue...
write(fd_pipe, something, strlen(something));
// continue executing..
谢谢