PCRE: /\\A[A-Z0-9_\\.%\\+\\-]+@(?:[A-Z0-9\\-]+\\.)+(?:[a-z]{2,4}|museum|travel)\\z/i POSIX: /^[A-Z0-9_\\.%\\+\\-]+@(?:[A-Z0-9\\-]+\\.)+(?:[A-Z]{2,4}|museum|travel)$/i
The Windows API provides critical sections in which a waiting thread will spin a limited amount of times before context switching, but only on a multiprocessor system.These are implemented using Initi
Suppose I want to get several of a file\'s properties (owner, size, permissions, times) as returned by the lstat() system call.One way to do this in Java is to create a java.io.File object and do call
I\'m learning Unix IPC, and my book only talks about the msg* family of functions. However while browsing the man pages I learned about the mq_ equivalents. http://techpubs.sgi.com/library/tpl/cgi-bin
What is the difference between read() and recv(), and between send() and write() in socket pr开发者_Python百科ogramming in terms of performances, speed and other behaviors?The difference is that recv(
I\'m developing a multi threaded Unix application in C. Is there a simple way to get the count of the number of simultaneously active threads? I don\'t want to have to write the code to keep track of
This question already has answers here: Closed 13 years ago. Possible Duplicate: reading a text file into an array in c
I\'m getting a segmentation fault the first tim开发者_如何转开发e I call malloc() after I protect a memory region with mprotect(). This is a code sniplet that does the memory allocation the the protec
How do I get the terminal size in Go. In C it would look like this: struct ttysize ts; ioctl(0, TIOCGWINSZ, &ts);
I\'m having trouble passing a pointer to a structure as an argument to a thread cancellation cleanup handler. Here\'s some sample code that blows up when it hits the compiler. Any idea what I\'m doing
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