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How do I get indices of N maximum values in a NumPy array?
...]: array([4, 3, 1])
This involves a complete sort of the array. I wonder if numpy provides a built-in way to do a partial sort; so far I haven't been able to find one.
If this solution turns out to be too slow (especially for small n), it may be worth looking at coding something up in Cython.
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Google Maps V3 - How to calculate the zoom level for a given bounds
...are map.
There's no easy answer for how to fit exact bounds, because even if you are willing to change the size of the map div, you have to choose which size and corresponding zoom level you change to (roughly speaking, do you make it larger or smaller than it currently is?).
If you really need to...
Custom exception type
Can I define custom types for user-defined exceptions in JavaScript? If so, how would I do it?
13 Answers
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#if DEBUG vs. Conditional(“DEBUG”)
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It really depends on what you're going for:
#if DEBUG: The code in here won't even reach the IL on release.
[Conditional("DEBUG")]: This code will reach the IL, however calls to the method will be omitted unless DEBUG is set when the caller is compiled.
Personally I u...
FFmpeg: How to split video efficiently?
...file = 3.14GB DVB transport stream
Conclusion
The single command is better if you are handling HD, it agrees with the manuals comments on using -ss after the input file to do a 'slow seek'. SD files have a negligible difference.
The two command version should be quicker by adding another -ss before ...
Why is this program erroneously rejected by three C++ compilers?
I am having some difficulty compiling a C++ program that I've written.
31 Answers
31
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vector vs. list in STL
...d of a sequence repeatedly.
Check out the complexity guarantees for each different type of container:
What are the complexity guarantees of the standard containers?
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How to turn on/off ReactJS 'development mode'?
...ention to toggle dev time helpers off during production. Just using the minified react will leave all those potential optimizations on the table as well.
Ultimately the magic comes down to React embedding references to process.env.NODE_ENV throughout the codebase; these act like a feature toggle.
if...
How can I concatenate two arrays in Java?
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How is it "cheating" if it answers the question? Sure, having an extra dependency is probably overkill for this specific situation, but no harm is done in calling out that it exists, especially since there's so many excellent bits of functionalit...
Check if a string contains a number
... like to be a numberless string.
I need to enter a string and check to see if it contains any numbers and if it does reject it.
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