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C++, variable declaration in 'if' expression

What's going on here? 8 Answers 8 ...
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C++11 rvalues and move semantics confusion (return statement)

I'm trying to understand rvalue references and move semantics of C++11. 6 Answers 6 ...
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Removing multiple keys from a dictionary safely

I know how to remove an entry, 'key' from my dictionary d , safely. You do: 14 Answers ...
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Convert nested Python dict to object?

I'm searching for an elegant way to get data using attribute access on a dict with some nested dicts and lists (i.e. javascript-style object syntax). ...
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Create a “with” block on several context managers? [duplicate]

Suppose you have three objects you acquire via context manager, for instance A lock, a db connection and an ip socket. You can acquire them by: ...
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How do I 'overwrite', rather than 'merge', a branch on another branch in Git?

I have two branches, email and staging . staging is the latest one and I no longer need the old changes in email branch, yet I don't want to delete them. ...
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How to run only one local test class on Gradle

I am new to Gradle. I use Gradle 1.10 and Ubuntu 13. 9 Answers 9 ...
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Selecting/excluding sets of columns in pandas [duplicate]

I would like to create views or dataframes from an existing dataframe based on column selections. 9 Answers ...
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Converting RGB to grayscale/intensity

When converting from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140. ...
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How to do case insensitive string comparison?

How do I perform case insensitive string comparison in JavaScript? 22 Answers 22 ...