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What is the difference between a Docker image and a container?
When using Docker, we start with a base image. We boot it up, create changes and those changes are saved in layers forming another image.
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Google maps API V3 - multiple markers on exact same spot
...of geo coords via JSON and popping them onto a google map. All is working well except in the instance when I have two or more markers on the exact same spot. The API only displays 1 marker - the top one. This is fair enough I suppose but would like to find a way to display them all somehow.
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Finding quaternion representing the rotation from one vector to another
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Is this a “good enough” random algorithm; why isn't it used if it's faster?
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How to sort a list of lists by a specific index of the inner list?
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What is the difference between concurrency, parallelism and asynchronous methods?
Concurrency is having two tasks run in parallel on separate threads. However, asynchronous methods run in parallel but on the same 1 thread. How is this achieved? Also, what about parallelism?
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