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Using smart pointers for class members

I'm having trouble understanding the usage of smart pointers as class members in C++11. I have read a lot about smart pointers and I think I do understand how unique_ptr and shared_ptr / weak_ptr work in general. What I don't understand is the real usage. It seems like everybody recommends using...
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How does UTF-8 “variable-width encoding” work?

The unicode standard has enough code-points in it that you need 4 bytes to store them all. That's what the UTF-32 encoding does. Yet the UTF-8 encoding somehow squeezes these into much smaller spaces by using something called "variable-width encoding". ...
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How to cast Object to its actual type?

If I have: 10 Answers 10 ...
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jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)

I know jQuery has a helper method for parsing unit strings into numbers. What is the jQuery method to do this? 6 Answers ...
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How do I merge my local uncommitted changes into another Git branch?

How can I do the following in Git? 6 Answers 6 ...
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Is there a reason for C#'s reuse of the variable in a foreach?

When using lambda expressions or anonymous methods in C#, we have to be wary of the access to modified closure pitfall. For example: ...
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PHP Replace last occurrence of a String in a String?

Anyone know of a very fast way to replace the last occurrence of a string with another string in a string? 14 Answers ...
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powershell - extract file name and extension

I need to extract file name and extension from e.g. my.file.xlsx. I don't know the name of file or extension and there may be more dots in the name, so I need to search the string from the right and when I find first dot (or last from the left), extract the part on the right side and the part on the...
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How do I get java logging output to appear on a single line?

At the moment a default entry looks something like this: 10 Answers 10 ...
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$(window).width() not the same as media query

I am using Twitter Bootstrap on a project. As well as the default bootstrap styles I have also added some of my own 17 Ans...