Ultimate Pdf collection for learning programming

Java http://index-of.es/Java/

Android http://index-of.es/Android/

C++ http://index-of.es/C++/

CSS http://index-of.es/CSS/

HTML http://index-of.es/HTML/

JavaScript http://index-of.es/JS/

Python http://index-of.es/Python/

PHP http://index-of.es/PHP/

Perl http://index-of.es/Perl/

Ruby http://index-of.es/Ruby/

C http://index-of.es/Programming/C/

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