Programming

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C, C++:
http://www.indiabix.com/c-programming/questions-and-answers/
http://www.coolinterview.com/type.asp?iType=40
http://www.cprogramming.com/tutorial/c-tutorial.html
http://blog.csdn.net/hellofeiya/article/details/8548131
http://ccppcoding.blogspot.in/ 
http://begincpp.blogspot.in/p/list-of-all-chapters.html
http://p--np.blogspot.in/
http://aarkloninfo.blogspot.in/2007/11/hidden-treasure-of-c-by-rajiv.html
http://www.c4learn.com/ 
http://c.learncodethehardway.org/book/ 
https://www.hackerschool.com/blog/5-learning-c-with-gdb 
http://www.tutorialspoint.com/cprogramming/index.htm 
http://cplusplusatoz.blogspot.in/
http://techpreparation.com/aptitute-questions/c-aptitude-questions1.htm
http://vijayinterviewquestions.blogspot.in/2007/07/how-to-swap-two-nibbles-in-byte.html
http://www.cquestions.com/2011/07/decimal-to-hexadecimal-conversion-in-c.html
http://c-ds-programs.blogspot.in/
http://programming-tutorial-hindi.blogspot.in