The title seemed to bug me a lot, until today when i found a really good explanation. If you google for the difference between Mutex and Semaphore you will see in most of the places it is mentioned that mutex is a binary semaphore.
Its been quite sometime that I have blogged. To begin with I have joined a job at Huawei Technologies in Aug this year. I really dont get much time for doing anything cool after a hectic 9-10 hours(9:30 ~ 7) a day schedule. And weekends pass by sleeping.
I had recently bought MTS connection which gave a usb stick to connect it. It also gave a rpm for the GUI. Later I found that due to it, some software like vlc and skype had stopped working.
Coin denomination problem is a very common question asked in interviews. It involves Greedy Approach, Dynamic Programming and Recursion. You may find a lot of stuff on the internet if you just google out “Coin denomination problem”.
This is a problem that I faced once earlier also. However, I never cared to solve it then. The solution to this problem is on http://www.mjmwired.net/resources/mjm-fedora-f11.html#binarycodecs.