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mongodb count num of distinct values per field/key
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199
MongoDB has a distinct command which returns an array of distinct values for a field; you can ...
Trying to understand CMTime and CMTimeMake
1) CMTimeMake(1,10) means duration of 1 second and timescale of 10, or 10 frames per second. This means 1s duration of video with 10 frames?
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What does $.when.apply($, someArray) do?
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162
.apply is used to call a function with an array of arguments. It takes each element in the ar...
How can I perform a reverse string search in Excel without using VBA?
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14 Answers
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Difference between dispatch_async and dispatch_sync on serial queue?
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410
Yes. Using serial queue ensure the serial execution of tasks. The only difference is that dispa...
What is the difference between Lisp-1 and Lisp-2?
I have tried to understand the difference between Lisp-1 and Lisp-2 and how this relates to Clojure but I still do not understand properly. Can anyone enlighten me?
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How can I delete one element from an array by value
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15 Answers
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What are deferred objects?
jQuery 1.5 adds "Deferred Objects". What are they, and what exactly do they do?
4 Answers
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Regex for string not ending with given suffix
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answered May 6 '13 at 12:29
stemastema
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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
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If you find yourself doing things like this regularly it may be worth investigating the object...