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How do I get the MAX row with a GROUP BY in LINQ query?

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Set default CRAN mirror permanent in R

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How can I detect if this dictionary key exists in C#?

... | edited May 13 '10 at 20:38 Adam Tuttle 18.4k1616 gold badges7171 silver badges109109 bronze badges ...
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What is a “symbol” in Julia?

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How can I format a decimal to always show 2 decimal places?

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The way to check a HDFS directory's size?

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Django DB Settings 'Improperly Configured' Error

Django (1.5) is workin' fine for me, but when I fire up the Python interpreter (Python 3) to check some things, I get the weirdest error when I try importing - from django.contrib.auth.models import User - ...
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Django admin: how to sort by one of the custom list_display fields that has no database field

... 159 I loved Greg's solution to this problem, but I'd like to point that you can do the same thing ...
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How should I store GUID in MySQL tables?

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Are SVG parameters such as 'xmlns' and 'version' needed?

... 217 All user agents (browsers) ignore the version attribute, so you can always drop that. If you e...