大约有 9,000 项符合查询结果（耗时：0.0313秒） [XML]
Hidden features of Ruby
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python: class DictList([dict,list][random.randint(0,1)]): pass
– Anurag Uniyal
Feb 20 '10 at 7:42
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Android: Getting a file URI from a content URI?
...wered Mar 5 at 5:50
Muhammed Yalçın KuruMuhammed Yalçın Kuru
41977 silver badges1212 bronze badges
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NumPy or Pandas: Keeping array type as integer while having a NaN value
...values. This enables vectorised NumPy-based calculations where, otherwise, Python-level loops would be processed.
The docs do suggest : "One possibility is to use dtype=object arrays instead." For example:
s = pd.Series([1, 2, 3, np.nan])
print(s.astype(object))
0 1
1 2
2 3
3 N...
How do I check in SQLite whether a table exists?
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This is a great way to determine if a table exists in Python.
– Michael Murphy
Dec 9 '14 at 7:01
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How can I open a Shell inside a Vim Window?
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One thing to look out for: The +python or +python3 requirement for vi can be a killer in some work environments.
– cfi
Oct 29 '15 at 7:26
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How to get the last day of the month?
Is there a way using Python's standard library to easily determine (i.e. one function call) the last day of a given month?
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What does the git index contain EXACTLY?
What does the Git index exactly contain, and what command can I use to view the content of the index?
5 Answers
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Add table row in jQuery
...nstead of $('#myTable > tbody:last').
– Erik Töyrä Silfverswärd
Jan 25 '12 at 12:48
2
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How to load/edit/run/save text files (.py) into an IPython notebook cell?
I've recently moved over to using IPython notebooks as part of my workflow. However, I've not been successful in finding a way to import .py files into the individual cells of an open IPython notebook so that they can edited, run and then saved. Can this be done?
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Why are local variables not initialized in Java?
...s way there will be no compiler warnings.
– Juha Syrjälä
Jan 6 '09 at 11:00
Why complicate things? Write the try-fin...