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Semantic Diff Utilities [closed]

...aditional paradigm of comparing source code files works by comparing lines and characters.. but are there any utilities out there (for any language) that actually consider the structure of code when comparing files? ...
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Better way to check variable for null or empty string?

... // Function for basic field validation (present and neither empty nor only white space function IsNullOrEmptyString($str){ return (!isset($str) || trim($str) === ''); } share | ...
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What is “Service Include” in a csproj file for?

...ehavior is intentional. To support third-party test frameworks, like NUnit and XUnit, Visual Studio 2012 loaded Test Explorer on solution open, regardless of whether it contained test projects. This added seconds of delay to startup and solution open scenarios for all users, majority of whom don't u...
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How do I print the type of a variable in Rust?

... If you merely wish to find out the type of a variable and are willing to do it at compile time, you can cause an error and get the compiler to pick it up. For example, set the variable to a type which doesn't work: let mut my_number: () = 32.90; // let () = x; would work too ...
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How can I dynamically create derived classes from a base class

... This bit of code allows you to create new classes with dynamic names and parameter names. The parameter verification in __init__ just does not allow unknown parameters, if you need other verifications, like type, or that they are mandatory, just add the logic there: class BaseClass(object):...
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constant pointer vs pointer on a constant value [duplicate]

... char * const a; means that the pointer is constant and immutable but the pointed data is not. You could use const_cast(in C++) or c-style cast to cast away the constness in this case as data itself is not constant. const char * a; means that the pointed data cannot be writ...
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Is there a JSON equivalent of XQuery/XPath?

When searching for items in complex JSON arrays and hashes, like: 15 Answers 15 ...
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How does generic lambda work in C++14?

...w does generic lambda work ( auto keyword as an argument type) in C++14 standard? 3 Answers ...
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When should I release objects in -(void)viewDidUnload rather than in -dealloc?

...ontroller means that even when its view is removed from the view hierarchy and released to save memory, through which the subviews are also released by the view, they will not actually be deallocated because the UIViewController itself still contains its own outstanding retaining references to those...
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Differences between Perl and PHP [closed]

I'm planning to learn Perl 5 and as I have only used PHP until now, I wanted to know a bit about how the languages differ from each other. ...