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Pandas get topmost n records within each group

... value id 1 0 1 1 1 1 2 2 3 2 1 4 2 2 3 7 3 1 4 8 4 1 (Keep in mind that you might need to order/sort before, depending on your data) EDIT: As mentioned by the questioner, use df.groupby('id').head(2).reset_index(drop=True) to remo...
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In Objective-C, what is the equivalent of Java's “instanceof” keyword?

... 264 Try [myObject class] for returning the class of an object. You can make exact comparisons with:...
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How do I escape double quotes in attributes in an XML String in T-SQL?

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How do I switch to another subversion branch in Intellij?

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Difference between res.send and res.json in Express.js

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Resetting the UP-TO-DATE property of gradle tasks?

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keep rsync from removing unfinished source files

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Using FileSystemWatcher to monitor a directory

... 146 The problem was the notify filters. The program was trying to open a file that was still copyin...
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“Use the new keyword if hiding was intended” warning

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What does “all” stand for in a makefile?

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