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What are the differences between -std=c++11 and -std=gnu++11?

What are the differences between -std=c++11 and -std=gnu++11 as compilation parameter for gcc and clang? Same question with c99 and gnu99 ? I know about C++ and C standards, it's the differences in the parameters that interest me. ...
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Selecting an element in iFrame jQuery

... | edited Jun 11 '11 at 16:17 answered Jun 11 '11 at 16:07 ...
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Creating an empty file in Ruby: “touch” equivalent?

... answered Nov 11 '11 at 22:14 Dave NewtonDave Newton 150k2222 gold badges232232 silver badges280280 bronze badges ...
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Is the safe-bool idiom obsolete in C++11?

... Fernandes shows, that the safe-bool idiom is apperently deprecated in C++11, as it can be replaced by a simple 2 Answers ...
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What can I do with a moved-from object?

... answered Aug 11 '11 at 14:30 PuppyPuppy 137k2929 gold badges223223 silver badges440440 bronze badges ...
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How is “int* ptr = int()” value initialization not illegal?

... 110 int() is a constant expression with a value of 0, so it's a valid way of producing a null poin...
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Add missing dates to pandas dataframe

... | edited Oct 11 '13 at 18:36 answered Oct 11 '13 at 18:08 ...
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Global access to Rake DSL methods is deprecated

... Community♦ 111 silver badge answered Jun 1 '11 at 10:45 Brian BruijnBrian Bruijn 73666 si...
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Comparing two dataframes and getting the differences

... >>> df.reindex(idx) Date Fruit Num Color 9 2013-11-25 Orange 8.6 Orange 8 2013-11-25 Apple 22.1 Red share | improve this answer | foll...
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How to find elements with 'value=x'?

... | edited Jul 18 '11 at 11:51 answered Jul 18 '11 at 11:46 ...