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Is C++ context-free or context-sensitive?

...uring-complete, since it shows a program which is syntactically correct if and only if a given integer is prime. So I assert that C++ is neither context-free nor context-sensitive. If you allow arbitrary symbol sequences on both sides of any production, you produce an Type-0 grammar ("unrestricted...
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How to center a (background) image within a div?

... If you want the entire div to be filled with the image and no extra space you should use background-size: cover; If you want the entire image to show without any part of the image being cut off or stretched you want to use background-size: contain; – Zlerp...
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How to set UITextField height?

... it's much easier to open .xib as source find ur IBUITextField and change <string key="NSFrame"> property – HotJard Mar 25 '13 at 6:14 ...
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get name of a variable or parameter [duplicate]

...aram1 = MemberInfoGetting.GetMemberName(() => param1); } } C# 6.0 and higher solution You can use the nameof operator for parameters, variables and properties alike: string testVariable = "value"; string nameOfTestVariable = nameof(testVariable); ...
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How do I specify the exit code of a console application in .NET?

... their case, make sure your project is compiled as a "Console application" and not as a "Windows application". – Marcel Gosselin Apr 7 '12 at 4:11 ...
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Is there a way to access the “previous row” value in a SELECT statement?

...u want to order alphabetically) then I don't know of a way to do that in standard SQL, but most SQL implementations will have extensions to do it. Here is a way for SQL server that works if you can order rows such that each one is distinct: select rank() OVER (ORDER BY id) as 'Rank', value into...
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Python memory leaks [closed]

... I tried out most options mentioned previously but found this small and intuitive package to be the best: pympler It's quite straight forward to trace objects that were not garbage-collected, check this small example: install package via pip install pympler from pympler.tracker import Summ...
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What does T&& (double ampersand) mean in C++11?

I've been looking into some of the new features of C++11 and one I've noticed is the double ampersand in declaring variables, like T&& var . ...
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Why am I getting tree conflicts in Subversion?

I had a feature branch of my trunk and was merging changes from my trunk into my branch periodically and everything was working fine. Today I went to merge the branch back down into the trunk and any of the files that were added to my trunk after the creation of my branch were flagged as a "tree con...
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Number of days between two dates in Joda-Time

...ime instances? With ‘difference in days’ I mean if start is on Monday and end is on Tuesday I expect a return value of 1 regardless of the hour/minute/seconds of the start and end dates. ...