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How to implement a binary tree?
Which is the best data structure that can be used to implement a binary tree in Python?
18 Answers
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Remove an item from a dictionary when its key is unknown
What is the best way to remove an item from a dictionary by value, i.e. when the item's key is unknown? Here's a simple approach:
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How to add property to a class dynamically?
The goal is to create a mock class which behaves like a db resultset.
24 Answers
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Return multiple columns from pandas apply()
I have a pandas DataFrame, df_test . It contains a column 'size' which represents size in bytes. I've calculated KB, MB, and GB using the following code:
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Abandoning changes without deleting from history
There is a commit that just didn't work, so I want to abandon it without deleting it from history .
9 Answers
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How to use double or single brackets, parentheses, curly braces
I am confused by the usage of brackets, parentheses, curly braces in Bash, as well as the difference between their double or single forms. Is there a clear explanation?
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How to find and return a duplicate value in array
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