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unix - head AND tail of file

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python pandas dataframe to dictionary

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Android ImageView Zoom-in and Zoom-Out

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Create table using Javascript

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How does the HyperLogLog algorithm work?

...own prefix, there is a higher chance that the cardinality of the stream is 2^(size of the prefix). That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts with "001". This means that if you observe a random stream and see a "001",...
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How do I remove all specific characters at the end of a string in PHP?

... Mike Kormendy 2,96311 gold badge2020 silver badges2020 bronze badges answered Jan 13 '10 at 1:42 Alix AxelAlix Axel...
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Naming returned columns in Pandas aggregate function? [duplicate]

...()) # height age Seed # 1 4.51 3 301 # 15 10.89 5 301 # 29 28.72 10 301 # 43 41.74 15 301 # 57 52.70 20 301 df = data.groupby('Seed').agg( {'age':['sum'], 'height':['mean', 'std']}) print(df.head()) # age height # sum std ...
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What are the aspect ratios for all Android phone and tablet devices?

... 162 In case anyone wanted more of a visual reference: Decimal approximations reference table: ...
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JPA : How to convert a native query result set to POJO class collection

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What is the difference between range and xrange functions in Python 2.X?

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