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How to apply a function to two columns of Pandas dataframe
...r than (unsafe) numeric indices to access the columns.
Example with data (based on original question):
import pandas as pd
df = pd.DataFrame({'ID':['1', '2', '3'], 'col_1': [0, 2, 3], 'col_2':[1, 4, 5]})
mylist = ['a', 'b', 'c', 'd', 'e', 'f']
def get_sublist(sta,end):
return mylist[sta:end+...
Ruby send vs __send__
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is __declspec and when do I need to use it?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Paging UICollectionView by cells, not screen
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Here's my implementation in Swift 5 for vertical cell-based paging:
override func targetContentOffset(forProposedContentOffset proposedContentOffset: CGPoint, withScrollingVelocity velocity: CGPoint) -> CGPoint {
guard let collectionView = self.collectionView else {
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How can I reference a commit in an issue comment on GitHub?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do I create a multiline Python string with inline variables?
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@jpmc26 I presented parenthesis-style first based on PEP 8's guidelines for code indentation. Why would triple quoting be preferred?
– Stevoisiak
Jul 15 '19 at 19:04
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Get URL query string parameters
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This is actually the best answer based on the question. The other answers only get the current URI whereas the question only specifies "from URL".
– Chris Harrison
Aug 29 '13 at 5:38
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Aren't Python strings immutable? Then why does a + “ ” + b work?
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The statement a = a + " " + b + " " + c can be broken down based upon pointers.
a + " " says give me what a points to, which can't be changed, and add " " to my current working set.
memory:
working_set = "Dog "
a = "Dog"
b = "eats"
c = "treats"
+ b says give me what b points to...
How does __proto__ differ from constructor.prototype?
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The Prototypal Inheritance in JavaScript is based on __proto__ property in a sense that each object is inheriting the contents of the object referenced by its __proto__ property.
The prototype property is special only for Function objects and only when using new opera...
Making a property deserialize but not serialize with json.net
... our project (which uses an internal integration-specific super set of the base model, where none of the superclass properties should be serialized), by setting the get-properties to internal. Having public setters allowed Web Api to set the properties, but stopped it from serializing them.
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