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Where is shared_ptr?

...strated right now after several hours trying to find where shared_ptr is located. None of the examples I see show complete code to include the headers for shared_ptr (and working). Simply stating std , tr1 and <memory> is not helping at all! I have downloaded boosts and all but still it...
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Comment out text in R Markdown (Rmd file)

In an R Markdown ( .Rmd ) file, how do you comment out unused text? I'm not referring to the text in the R code chunk, but the general texts, like % in LaTex for example. ...
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LINQ to SQL - Left Outer Join with multiple join conditions

I have the following SQL, which I am trying to translate to LINQ: 6 Answers 6 ...
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What is the equivalent of “!=” in Excel VBA?

The problem is that != does not work as a function in excel vba. 4 Answers 4 ...
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Get type name without full namespace

I have the following code: 6 Answers 6 ...
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Rails Migration: Remove constraint

I have a table in a Rails application which (in schema.rb) looks like: 2 Answers 2 ...
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rspec 3 - stub a class method

I am upgrading from rspec 2.99 to rspec 3.0.3 and have converted instance methods to use allow_any_instance_of , but haven't figured out how to stub a class method. I have code like this: ...
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Instance v state variables in react.js

In react.js, is it better to store a timeout reference as an instance variable (this.timeout) or a state variable (this.state.timeout)? ...
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Static member functions error; How to properly write the signature?

I am getting an error when trying to compile my code in g++ using the current signature: 1 Answer ...
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Is there a Newline constant defined in Java like Environment.Newline in C#?

In C# there is the static property Environment.Newline that changed depending on the running platform. 3 Answers ...