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Understanding ibeacon distancing
... grasp a basic concept of how distancing with ibeacon (beacon/ Bluetooth-lowenergy/BLE) can work. Is there any true documentation on how far exactly an ibeacon can measure. Lets say I am 300 feet away...is it possible for an ibeacon to detect this?
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What is the advantage to using bloom filters?
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How do you manage databases in development, test, and production?
...trying to find good examples of how to manage database schemas and data between development, test, and production servers.
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Is JavaScript a pass-by-reference or pass-by-value language?
...but objects are unknown, because they can be both passed-by-value (in case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object holds the object itself).
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What does the “at” (@) symbol do in Python?
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Why do we check up to the square root of a prime number to determine if it is prime?
To test whether a number is prime or not, why do we have to test whether it is divisible only up to the square root of that number?
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How to prevent SIGPIPEs (or handle them properly)
...nds a reply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and make my server crash. What's the best practice to prevent the crash here? Is there a way to check if the other side of the line is still readin...