c++ Programming Glossary: buff

Correct Code - Non-blocking pipe with popen

http://stackoverflow.com/questions/10962044/correct-code-non-blocking-pipe-with-popen

Suggest you own better version if need FILE pipe char buff 512 if pipe popen command.c_str r return false int d fileno.. false int d fileno pipe while true ssize_t r read d buff sizeof buff if r 1 errno EAGAIN really need errno continue else.. int d fileno pipe while true ssize_t r read d buff sizeof buff if r 1 errno EAGAIN really need errno continue else if r 0 ptr_output..

Are there gotchas using varargs with reference parameters

http://stackoverflow.com/questions/222195/are-there-gotchas-using-varargs-with-reference-parameters

working AnsiString format ... va_list argptr AnsiString buff va_start argptr format buff.vprintf format.c_str argptr va_end.. ... va_list argptr AnsiString buff va_start argptr format buff.vprintf format.c_str argptr va_end argptr return buff And on.. buff.vprintf format.c_str argptr va_end argptr return buff And on the basis that pass by reference is preferred where possible..

std::string formatting like sprintf

http://stackoverflow.com/questions/2342162/stdstring-formatting-like-sprintf

because you don't have write access to the underlying buffer. You'll have to do it first in a c string then copy it into.. it first in a c string then copy it into a std string char buff 100 sprintf buff s Hello std string buffAsStdStr buff But I'm.. then copy it into a std string char buff 100 sprintf buff s Hello std string buffAsStdStr buff But I'm not sure why you..

Fastest way to find the number of lines in a text (C++)

http://stackoverflow.com/questions/843154/fastest-way-to-find-the-number-of-lines-in-a-text-c

do this is probably to read the whole file into a large buffer with one read operation and then go through the buffer counting.. buffer with one read operation and then go through the buffer counting the ' n' characters. As your current file size appears.. Edit I just ran a small benchmark on this and using the buffered approach buffer size 1024K seems to be a bit more than twice..

C++ Equivalent to Designated Initializers?

http://stackoverflow.com/questions/855996/c-equivalent-to-designated-initializers

do not work within the C subset of C . I'm not much of a C buff so I'm wondering what simple ways there might be to make this..