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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu

I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package. ...
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Set operations (union, intersection) on Swift array?

Are there any standard library calls I can use to either perform set operations on two arrays, or implement such logic myself (ideally as functionally and also efficiently as possible)? ...
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How do I create an average from a Ruby array?

...ore, it's not as magical as it might appear. It iterates over each element and then applies an accumulator value to it. The accumulator is then handed to the next element. In this case, our accumulator is simply an integer that reflects the sum of all the previous elements. Edit: Commenter Dave Ray...
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How do I list all files of a directory?

How can I list all files of a directory in Python and add them to a list ? 21 Answers ...
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How to implement an STL-style iterator and avoid common pitfalls?

I made a collection for which I want to provide an STL-style, random-access iterator. I was searching around for an example implementation of an iterator but I didn't find any. I know about the need for const overloads of [] and * operators. What are the requirements for an iterator to be "STL-s...
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Convert string to nullable type (int, double, etc…)

...tring.IsNullOrWhiteSpace() if you use .Net4 – Sergej Andrejev Nov 12 '10 at 12:57 1 @andrefadila ...
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Why do C++ libraries and frameworks never use smart pointers?

...part from the fact that many libraries were written before the advent of standard smart pointers, the biggest reason is probably the lack of a standard C++ Application Binary Interface (ABI). If you’re writing a header-only library, you can pass around smart pointers and standard containers to yo...
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How do I forward declare an inner class? [duplicate]

...ned first Create a common base class that can be both used in the function and implemented by the nested class. share | improve this answer | follow | ...
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val() doesn't trigger change() in jQuery [duplicate]

... onchange only fires when the user types into the input and then the input loses focus. You can manually call the onchange event using after setting the value: $("#mytext").change(); // someObject.onchange(); in standard JS Alternatively, you can trigger the event using: $("#...
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What is the difference between the HashMap and Map objects in Java?

...(in another question, people answered using them seemingly interchangeably and I'm wondering if/how they are different): 13...