nelhage questions

nelhage answers

• in emacs-lisp, how do I correctly use replace-regexp-in-string?
• c preprocessor - fail if compiling after certain date
• What does epoll do with a file descriptor that refers to a directory?
• std::string implementation in GCC and its memory overhead for short strings
• Format of /dev/input/event*
• Do Python regular expressions have an equivalent to Ruby's atomic grouping?
• Is &errno legal C?
• Appending characters to the end of each line in Emacs
• How to get iso_date ( YYYYMMDD ) from time_t / timeval