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Compare two objects and find the differences [duplicate]

what is the best way to compare two objects and find the differences? 2 Answers 2 ...
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C++: what regex library should I use? [closed]

... Boost.Regex is very good and is slated to become part of the C++0x standard (it's already in TR1). Personally, I find Boost.Xpressive much nicer to work with. It is a header-only library and it has some nice features such as static regexes (regexes ...
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Best way to merge two maps and sum the values of same key?

I want to merge them, and sum the values of same keys. So the result will be: 15 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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How do I create test and train samples from one dataframe with pandas?

I have a fairly large dataset in the form of a dataframe and I was wondering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing. ...
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git push says “everything up-to-date” even though I have local changes

I have a remote gitosis server and a local git repository, and each time I make a big change in my code, I'll push the changes to that server too. ...
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Smart pointers: who owns the object? [closed]

...a 'slave' for a shared_ptr, can't deallocate auto_ptr - when the creation and deallocation happen inside the same function, or when the object has to be considered one-owner-only ever. When you assign one pointer to another, the second 'steals' the object from the first. I have my own implementati...
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How to escape special characters in building a JSON string?

... edited Jun 21 '16 at 1:12 Andrew 11.9k88 gold badges6666 silver badges9090 bronze badges answered Oct 4 '13 at 7:56 ...
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How to fix HTTP 404 on Github Pages?

...h-pages branch. Everything looks good, I have my index.html , my CSS, JS and pictures folders. 30 Answers ...
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Get controller and action name from within controller?

For our web application I need to save the order of the fetched and displayed items depending on the view - or to be precise - the controller and action that generated the view (and the user id of course, but that's not the point here). ...