php codes for image uploading

http://www.webmasterworld.com/forum88/11828.htm
http://www.wellho.net/mouth/1114_PHP-Image-upload-script.html
http://www.wellho.net/solutions/php-example-php-form-image-upload-store-in-mysql-database-retreive.html

compiler design lab programs

http://publib.boulder.ibm.com/infocenter/aix/v6r1/index.jsp?topic=/com.ibm.aix.genprogc/doc/genprogc/ie_prog_4lex_yacc.htm 

it is a link for programs in cn

http://www.indiastudychannel.com/resources/129613-JNTU-Kakinada-Computer-Science-Engineering.aspx