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Fastest way to iterate over all the chars in a String
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354
FIRST UPDATE: Before you try this ever in a production environment (not advised), read this fir...
Insert a row to pandas dataframe
... # sorting by index
And you get, as desired:
A B C
0 2 3 4
1 5 6 7
2 7 8 9
See in Pandas documentation Indexing: Setting with enlargement.
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Use numpy array in shared memory for multiprocessing
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advantage of tap method in ruby
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When readers encounter:
user = User.new
user.username = "foobar"
user.save!
they would have t...
GetProperties() to return all properties for an interface inheritance hierarchy
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mythzmythz
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
... edited Apr 19 '16 at 8:29
brush51
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answered Jan 23 '09 at 4:56
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Find value in an array
..., and if that's the case, you can use Array#include?(value):
a = [1,2,3,4,5]
a.include?(3) # => true
a.include?(9) # => false
If you mean something else, check the Ruby Array API
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How to compile a 32-bit binary on a 64-bit linux machine with gcc/cmake
...UIRED_FLAGS.
– caf
Aug 13 '09 at 22:55
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Well, the problem is that this is of course not necessar...
Transposing a NumPy array
...he same, newaxis is just more readable).
import numpy as np
a = np.array([5,4])[np.newaxis]
print(a)
print(a.T)
Generally speaking though, you don't ever need to worry about this. Adding the extra dimension is usually not what you want, if you're just doing it out of habit. Numpy will automatica...