大约有 47,000 项符合查询结果(耗时:0.0587秒) [XML]
How do I save and restore multiple variables in python?
... here...
# Saving the objects:
with open('objs.pkl', 'w') as f: # Python 3: open(..., 'wb')
pickle.dump([obj0, obj1, obj2], f)
# Getting back the objects:
with open('objs.pkl') as f: # Python 3: open(..., 'rb')
obj0, obj1, obj2 = pickle.load(f)
If you have a lot of data, you can reduce...
How to get the index of a maximum element in a numpy array along one axis
...
answered Mar 29 '11 at 7:39
eumiroeumiro
165k2626 gold badges267267 silver badges248248 bronze badges
...
assertEquals vs. assertEqual in python
...ssertion methods
assertEqual = assertEquals = failUnlessEqual
In Python 3, to your point, failUnlessEqual is explicitly deprecated. assertEquals carries this comment :-)
# Synonyms for assertion methods
# The plurals are undocumented. Keep them that way to discourage use.
# Do not ...
Numpy index slice without losing dimension information
...
|
edited Nov 23 '17 at 5:53
Atcold
57722 gold badges66 silver badges2525 bronze badges
answe...
Python 2.7: Print to File
...
138
If you want to use the print function in Python 2, you have to import from __future__:
from __...
What is float in Java?
...
In Java, when you type a decimal number as 3.6, its interpreted as a double. double is a 64-bit precision IEEE 754 floating point, while floatis a 32-bit precision IEEE 754 floating point. As a float is less precise than a double, the conversion cannot be performed i...
Why does multiprocessing use only a single core after I import numpy?
...
3 Answers
3
Active
...
What is Weak Head Normal Form?
...re not in normal form:
1 + 2 -- we could evaluate this to 3
(\x -> x + 1) 2 -- we could apply the function
"he" ++ "llo" -- we could apply the (++)
(1 + 1, 2 + 2) -- we could evaluate 1 + 1 and 2 + 2
Weak head normal form
An expression in weak head normal ...
How to loop through all but the last item of a list?
...
324
for x in y[:-1]
If y is a generator, then the above will not work.
...
Is there a Python function to determine which quarter of the year a date is in?
...
13 Answers
13
Active
...