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Referring to the null object in Python

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Why Func instead of Predicate?

This is just a curiosity question I was wondering if anyone had a good answer to: 4 Answers ...
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NSDictionary - Need to check whether dictionary contains key-value pair or not

I just need to ask something as follow. Suppose I am having a dictionary. 2 Answers 2 ...
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

Oracle released Java JDK 7 on April 26 for Mac OS X. I followed the install instructions and when I do java -version in a terminal window I get: ...
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PEP 8, why no spaces around '=' in keyword argument or a default parameter value?

Why does PEP 8 recommend not having spaces around = in a keyword argument or a default parameter value ? 6 Answers ...
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Non-type template parameters

I understand that the non-type template parameter should be a constant integral expression. Can someone shed light why is it so ? ...
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C# 4.0 optional out/ref arguments

Does C# 4.0 allow optional out or ref arguments? 9 Answers 9 ...
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Difference between git pull --rebase and git pull --ff-only

Let's say origin/master has commit A--B--C and my local/master has commit A--B--D . 1 Answer ...
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Replacement for “rename” in dplyr

I like plyr's renaming function rename . I have recently started using dplyr, and was wondering if there is an easy way to rename variables using a function from dplyr, that is as easy to use as to plyr's rename ? ...
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Update one MySQL table with values from another

I'm trying to update one MySQL table based on information from another. 2 Answers 2 ...