In programming a "pipe" usually refers to a connection to a data source (aka a database). The difference between a queue and a pipe is that a queue usually caches some data from the data source while a pipe is just a connection to the data source.
SHM:it's an area of storage that can be read and written by more than one process.MSGQ:A message queue is like a pipe,by using more comprehensive mechanism we can read message from both end.SHM:It provides no inherent synchronizationMSGQ:It provides inherent synchronization,So the writer can never fail after writing only a partial message, and the reader will either retrieve a complete message or nothing at all.SHM:possiblity of occuring race condition.MSGQ: No race conditon actually occure.SHM: fasterMSGQ:slower than shared memory
what is the difference between the PE pipe and HDPE pipe.
The threads
there is no difference, half pipe snowboarding is just regualr snowboarding on a half pipe
The main difference is the thickness of the pipe Compare to A Class pipe B Class pipe thickness is more.Like that Compare to B class pipe C Class pipe thickness is more.
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Pipe Lining refers to the internal diameter, pipe coating is external.
pipe = one piping = a system of piping arrangements
Water pipe threads are tapered, electrical pipe is not tapered.
Pressure rises in the tube.
Plumbing pipe threads are squared and conduit pipe threads are tapered.