>So the difference is only one movl instruction.

cmpl $4, -8(%ebp) is not the same that cmpl $4, %eax


jle .L3 in not the same that jbe .L3


movl -8(%ebp), %eax is in a...

>I have been afraid of Vim editor, due to NO-knowledge.
Practice will change that. Learn as you go according to your need. Vim has much to offer, but until you start using it, you'll will not know...

The compiler doesn't miraculously change that expression into a constant. It evaluates each time through the loop. An unnecessary waste of CPU cycles when making a single call and keeping the value...

"Beauty is only in the eye of the beholder".
Those that know, find a well written piece of code in C very motivating and easy to work with.
The comparison of languages as it has been described...

To RE or not to RE (http://www.youtube.com/watch?v=GR8t3mTovD8), that is the question.
Complimentary slides
(http://us.pycon.org/2008/conference/schedule/event/63/)

'Group: [0-9]\n{1}#.*$'
Setting aside the fact that that regex would not match any of the text you gave as an example, the key to understand your problem is .*$. That's a greedy "match regex", it...

>But i want to round the square-rooted numbers to about 6 digits e.g. 5.12345. How can this be done?

Take a look at round()

from math import sqrt

>What does the ' \n' mean?
New line, or sometimes RETURN keyboard.

http://mail.python.org/pipermail/python-list/2005-March/311942.html

Handling command line arguments (http://www.faqs.org/docs/diveintopython/kgp_commandline.html)
Maybe that would help?

Regex it is just that, regular expression (http://www.regular-expressions.info/tutorial.html). A pattern describing some text.

The standard C functions strlen() and strcpy() require the inclusion of the header file string.h. Furthermore there was not need to add the extra code: strcpy(text, "Spell this string forward then...

print "%-20s %4d" % ("John Smith",107)

% Is the conversion specifier. It tells print that what it follows is the formula you want for displaying the data. As part of that formula you have ( - )...