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Replacing column values in a pandas DataFrame
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If I understand right, you want something like this:
w['female'] = w['female'].map({'female': 1, 'male': 0})
(Here I convert the values to numbers instead of strings containing numbers. You can convert them to "1" and "0", if you really want, but I'm not sure why you'd ...
How to make a edittext box in a dialog
...I am doing I am not able to do. I am a beginner in it.
Please help me in this.
8 Answers
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TypeError: Missing 1 required positional argument: 'self'
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edited Mar 6 '19 at 11:34
gl393
1111212 bronze bad...
What exactly does @synthesize do?
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In your example, mapView1 is an instance variable (ivar), a piece of memory storage that belongs to an instance of the class defined in example.h and example.m. mapView is the name of a property. Properties are attributes of an object that can be read...
Exec : display stdout “live”
I have this simple script :
9 Answers
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...en=2, tl=0) 11,12
# ATTRIB: # ..snip..
.Internal(inspect(newDT)) # precisely the same object at this point
# @0000000003B7E2A0 19 VECSXP g0c7 [OBJ,NAM(2),ATT] (len=2, tl=100)
# @00000000040C2288 14 REALSXP g0c2 [NAM(2)] (len=2, tl=0) 1,2
# @00000000040C2250 14 REALSXP g0c2 [NAM(2)] (len=2, t...
How to convert an array to object in PHP?
How can i convert an array like this to object?
34 Answers
34
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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...ication. When you create (or load) your view controller, you'll want to register it as an observer for the UIApplicationDidBecomeActiveNotification and specify which method that you want to call when that notification gets sent to your application.
[[NSNotificationCenter defaultCenter] addObserver:...
How do you get a string to a character array in JavaScript?
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Note: This is not unicode compliant. "I????U".split('') results in the
4 character array ["I", "�", "�", "u"] which can lead to dangerous
bugs. See answers below for safe alternatives.
Just split it by an empty string.
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?
...y 3% of numbers between 1 and 230 which are NOT between 225 and 230. So, this sounds pretty normal :)
Because 225 / 230 = 2-5 = 1/32 = 0.03125 = 3.125%
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