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Drop all duplicate rows across multiple columns in Python Pandas
The pandas drop_duplicates function is great for "uniquifying" a dataframe. However, one of the keyword arguments to pass is take_last=True or take_last=False , while I would like to drop all rows which are duplicates across a subset of columns. Is this possible?
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Pointers vs. values in parameters and return values
In Go there are various ways to return a struct value or slice thereof. For individual ones I've seen:
4 Answers
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Get element inside element by class and ID - JavaScript
Alright, I've dabbled in JavaScript before, but the most useful thing I've written is a CSS style-switcher. So I'm somewhat new to this. Let's say I have HTML code like this:
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Build an ASCII chart of the most commonly used words in a given text [closed]
Build an ASCII chart of the most commonly used words in a given text.
59 Answers
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C++ SFINAE examples?
... I know that SFINAE stands for "substitution failure is not an error." But can someone show me a good use for SFINAE?
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An efficient way to transpose a file in Bash
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java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
I get the following warning when using java.net.URLEncoder.encode :
6 Answers
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Deleting array elements in JavaScript - delete vs splice
What is the difference between using the delete operator on the array element as opposed to using the Array.splice method ?
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How do I use itertools.groupby()?
I haven't been able to find an understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this:
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Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
I have a scenario where I want to use method group syntax rather than anonymous methods (or lambda syntax) for calling a function.
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