Merge pull request #3 from Sdogruyol/master

New Ruby Post
update
New post
Hash Key'lerini metod ismi ile çağırmak - 2
Fix Typo
New Ruby Post
Improve styling
Grep yerine Perl
Fix
Merge pull request #4 from ustun/master

Grep yerine Perl
cosmetic fixes
tab fix
tab fixes
title fix for atom feed
shell command: file
fix
-how to contribute- page updated
Array sum
git pull --rebase
git pull --rebase - update