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Update a dataframe in pandas while iterating row by row
...ot shown here.
update
df.set_value() has been deprecated since version 0.21.0
you can use df.at() instead:
for i, row in df.iterrows():
ifor_val = something
if <condition>:
ifor_val = something_else
df.at[i,'ifor'] = ifor_val
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What's the best method in ASP.NET to obtain the current domain?
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edited May 10 '18 at 4:22
answered May 20 '10 at 22:34
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Find the index of a dict within a list, by matching the dict's value
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edited Dec 27 '17 at 23:06
answered Dec 8 '10 at 20:03
to...
Display date/time in user's locale format and time offset
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170
Seems the most foolproof way to start with a UTC date is to create a new Date object and use the...
How can I remove a commit on GitHub? [duplicate]
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 15 '09 at 23:24
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how to concatenate two dictionaries to create a new one in Python? [duplicate]
...the resulting list:
$ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \
'd4 = dict(d1.items() + d2.items() + d3.items())'
100000 loops, best of 3: 4.93 usec per loop
Fastest: exploit the dict constructor to the hilt, then one update:
$ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
...urns None
return z
and now:
z = merge_two_dicts(x, y)
In Python 3.9.0a4 or greater (final release date approx October 2020): PEP-584, discussed here, was implemented to further simplify this:
z = x | y # NOTE: 3.9+ ONLY
Explanation
Say you have two dictionaries and you want to mer...
Should I use Vagrant or Docker for creating an isolated environment? [closed]
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10 Answers
10
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Is there a foreach loop in Go?
... community wiki
5 revs, 4 users 40%davetron5000
8
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MemoryCache does not obey memory limits in configuration
I’m working with the .NET 4.0 MemoryCache class in an application and trying to limit the maximum cache size, but in my tests it does not appear that the cache is actually obeying the limits.
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