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How can I make pandas dataframe column headers all lowercase?
...lumns)
or
data.columns = [x.lower() for x in data.columns]
example:
>>> data = pd.DataFrame({'A':range(3), 'B':range(3,0,-1), 'C':list('abc')})
>>> data
A B C
0 0 3 a
1 1 2 b
2 2 1 c
>>> data.columns = map(str.lower, data.columns)
>>> data
a...
How can I represent an 'Enum' in Python?
I'm mainly a C# developer, but I'm currently working on a project in Python.
43 Answers
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Why are Oracle table/column/index names limited to 30 characters?
I can understand that many years ago there would be this kind of limitation, but nowadays surely this limit could easily be increased. We have naming conventions for objects, but there is always a case that turns up where we hit this limit - especially in naming foreign keys.
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Can Python test the membership of multiple values in a list?
I want to test if two or more values have membership on a list, but I'm getting an unexpected result:
10 Answers
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Visual Studio jump to next error shortcut?
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F8 (and Shift+F8 to go backwards).
Or at least that's what it is in my keyboard profile - you can go to tools\options\environment\keyboard and check out Edit.GoToNextLocation.
Note If you configured Visual Studio using VB keyboard settings, no...
How to dismiss notification after action has been clicked
...
When you called notify on the notification manager you gave it an id - that is the unique id you can use to access it later (this is from the notification manager:
notify(int id, Notification notification)
To cancel, you would call:
cancel(int id)
with the same id. ...
Why do we not have a virtual constructor in C++?
...y don't we have virtual constructors?
A virtual call is a mechanism to get work done given partial
information. In particular, "virtual" allows us to call a function
knowing only any interfaces and not the exact type of the object. To
create an object you need complete information. In part...
regex for zip-code
I need Regex which can satisfy all my three condtions for zip-code. E.g-
3 Answers
3...
What is the “-d” in “npm -d install”?
I've seen some posts that refer to running npm with a -d argument. For example, this issue refers to doing npm -d install coffee-script . There are a few other pages that also refer to this syntax, including the install instructions for at least one npm package.
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gulp globbing- how to watch everything below directory
...but I haven't really been able to find a satisfactory answer: How do I use gulp globbing to select all files in all subdirectories below a certain directory?
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