A semaphore (pronounced as sehm uh fawr, invented by Edsger Dijkstra) in computer science is a classic way of protecting shared resources. A semaphore (pronounced as sehm uh fawr, invented by Edsger ...

Edsger Dijkstra, one of the moving forces behind the acceptance of computer programming as a scientific discipline, has died. But his legacy lives on in every computer. Rupert started off as a nerdy ...