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get list of pandas dataframe columns based on data type
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320
If you want a list of columns of a certain type, you can use groupby:
>>> df = pd.Da...
How to pip or easy_install tkinter on Windows
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38
Well I can see two solutions here:
1) Follow the Docs-Tkinter install for Python (for Windows)...
NameError: global name 'unicode' is not defined - in Python 3
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Python 3 renamed the unicode type to str, the old str type has been replaced by bytes.
if isinstance(unicode_or_str, str):
text = unicode_or_str
decoded = False
else:
text = unicode_or_str.decode(encoding)
decoded =...
Subscripts in plots in R
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138
expression is your friend:
plot(1,1, main=expression('title'^2)) #superscript
plot(1,1, main=...
C-like structures in Python
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352
Use a named tuple, which was added to the collections module in the standard library in Python...
Rails: Check output of path helper from console
... a Rails console, you can call app.post_path. This will work in Rails ~= 2.3 and >= 3.1.0.
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How can I add the sqlite3 module to Python?
Can someone tell me how to install the sqlite3 module alongside the most recent version of Python?
I am using a Macbook, and on the command line, I tried:
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How can I make a time delay in Python? [duplicate]
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13 Answers
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Getting the last element of a list
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3253
some_list[-1] is the shortest and most Pythonic.
In fact, you can do much more with this syn...
Python extending with - using super() Python 3 vs Python 2
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super() (without arguments) was introduced in Python 3 (along with __class__):
super() -> same as super(__class__, self)
so that would be the Python 2 equivalent for new-style classes:
super(CurrentClass, self)
for old-style classes you can always use:
class Classname...