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Append a NumPy array to a NumPy array
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Uli Köhler
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answered Mar 19 '12 at 17:59
Sven Marnach...
How can I sort a dictionary by key?
... 5)])
Never mind the way od is printed out; it'll work as expected:
In [11]: od[1]
Out[11]: 89
In [12]: od[3]
Out[12]: 0
In [13]: for k, v in od.iteritems(): print k, v
....:
1 89
2 3
3 0
4 5
Python 3
For Python 3 users, one needs to use the .items() instead of .iteritems():
In [13]: fo...
How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
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answered Feb 5 '14 at 11:01
goroncygoroncy
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Is a view faster than a simple query?
... Server database. We're very successful and so, in a few years, we have 1,000,000+ records. However, we often need to report sales for tax purposes and we find that we've only sold 100 copies of our software in our home country. By creating an indexed view of just the Lithuanian records, we get to...
Use dynamic variable names in JavaScript
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answered Feb 25 '11 at 12:23
jAndyjAndy
203k4747 gold badges283283 silver badges345345 bronze badges
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What is the “-->” operator in C++?
... community wiki
12 revs, 11 users 16%Potatoswatter
271
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Html.ActionLink as a button or an image, not a link
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edited Oct 14 '11 at 9:29
answered Mar 20 '09 at 20:23
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How Big can a Python List Get?
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11
@ldgorman,sys.maxsize is the answer to the question. Different architectures support different maxima.
– Simon Kuang
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Is there a library function for Root mean square error (RMSE) in python?
... calculating root mean squared error in python:
import numpy as np
d = [0.000, 0.166, 0.333] #ideal target distances, these can be all zeros.
p = [0.000, 0.254, 0.998] #your performance goes here
print("d is: " + str(["%.8f" % elem for elem in d]))
print("p is: " + str(["%.8f" % elem for elem ...