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How do I build a numpy array from a generator?
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Cristian Ciupitu
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answered Dec 15 '08 at 6:31
shsmurfyshsmurfy
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Get last result in interactive Python shell
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243
Underscore.
>>> 5+5
10
>>> _
10
>>> _ + 5
15
>>> _
15
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MySQL foreign key constraints, cascade delete
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answered May 26 '10 at 22:45
Marc BMarc B
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Why does Bootstrap set the line-height property to 1.428571429?
...size. In this example, Bootstrap is baselining their line-height off of a 14px font-size. The target line-height is 20px:
20px ÷ 14px = 1.428571429
When determining your line-height, you want to make sure you have ample white space between your rows. This allows for ascenders and descenders witho...
How to add a new row to an empty numpy array
...proper dimensionality.
>>> arr
array([], shape=(0, 3), dtype=int64)
Then be sure to append along axis 0:
arr = np.append(arr, np.array([[1,2,3]]), axis=0)
arr = np.append(arr, np.array([[4,5,6]]), axis=0)
But, @jonrsharpe is right. In fact, if you're going to be appending in a loop, ...
List All Redis Databases
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364
There is no command to do it (like you would do it with MySQL for instance). The number of Redis...
What is the difference between 0.0.0.0, 127.0.0.1 and localhost?
...nd Vagrant on my mac. I found that Jekyll server will bind to 0.0.0.0:4000 instead of 127.0.0.1:4000 . Also gem server will bind to this address by default. I can still visit it via http://localhost:port . But for Jekyll , it seems that the default setting (e.g. 0.0.0.0:4000) requires In...
How to check whether a pandas DataFrame is empty?
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aIKidaIKid
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