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How to define an empty object in PHP
with a new array I do this:
16 Answers
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Peak signal detection in realtime timeseries data
Update: The best performing algorithm so far is this one .
33 Answers
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Default value of 'boolean' and 'Boolean' in Java
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The default value for a Boolean (object) is null.
The default value for a boolean (primitive) is false.
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Get key by value in dictionary
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There is none. dict is not intended to be used this way.
dictionary = {'george': 16, 'amber': 19}
search_age = input("Provide age")
for name, age in dictionary.items(): # for name, age in dictionary.iteritems(): (for Python 2.x)...
How to force push a reset to remote repository?
Our remote master branch somehow got messed up. Current development code is on the master branch along with the latest commits. Obviously, the development code is not ready for the master branch.
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How do I obtain the frequencies of each value in an FFT?
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The first bin in the FFT is DC (0 Hz), the second bin is Fs / N, where Fs is the sample rate and N is the size of the FFT. The next bin is 2 * Fs / N. To express this in general terms, the nth bin is n * Fs / N.
So if your sample rate, Fs is say 44....
What is the difference between `sorted(list)` vs `list.sort()`?
list.sort() sorts the list and replaces the original list, whereas sorted(list) returns a sorted copy of the list, without changing the original list.
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How can I find the location of origin/master in git, and how do I change it?
...ct from Subversion to Git. I followed the tutorial here: http://www.simplisticcomplexity.com/2008/03/05/cleanly-migrate-your-subversion-repository-to-a-git-repository/
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List comprehension vs map
Is there a reason to prefer using map() over list comprehension or vice versa? Is either of them generally more efficient or considered generally more pythonic than the other?
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Difference between
What is the difference between List<? super T> and List<? extends T> ?
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