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1answer
25 views

Difference between Signal/Slot and DataBusPattern

I'm just trying to figure out what makes the Signal/Slot (Pattern?). Wikipedia tells me not so much and calls it an implementation of the ObserverPattern* while I would think it has much more ...
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1answer
470 views

Good practice using signals and event driven system

I am using signals (specifically Boost signals2) to create an event driven protocol API and model. Most elements have their own signals, and there are usually multiple of each element. Consider a ...
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1answer
307 views

Operating systems theory — using minimum number of semaphores

This situation is prone to deadlock of processes in an operating system and I'd like to solve it with the minimum of semaphores. Basically there are three cooperating processes that all read data ...
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2answers
121 views

Prevent anomalies caused by signal propagation time

In electrical engineering class we learned that signal lines are not ideal, so it takes time for the signal to reach the other end of the cable, and if we doesn't take this into account, it can lead ...
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1answer
443 views

Why would it take hours to decode transmissions from Curiosity rover via MRO?

This video clip by NASA says that data from Curiosity relayed by the Mars Reconnaissance Orbiter (MRO) would be stored for a few hours, then transmitted to Earth (apparently taking about 14 minutes), ...
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3answers
762 views

Real-time Dataflow Programming

Background Recently, I have been fascinated about the possibilities of dataflow-based programming approaches - in particular, signal/event-based concepts as realized by functional reactive ...