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When is -XAllowAmbiguousTypes appropriate?

... should be able to follow functional dependencies in order to disambiguate all the other types used in the context, namely sup and fi. And indeed, the f -> internal functional dependency in SyntacticN uses our f to disambiguate our fi, and thereafter the f -> sig sym functional dependency in A...
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What is the difference between mocking and spying when using Mockito?

... The answer is in the documentation: Real partial mocks (Since 1.8.0) Finally, after many internal debates & discussions on the mailing list, partial mock support was added to Mockito. Previously we considered partial mocks as code smells. However, we found a legitimate use case for partial mo...
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How to check if an object is a generator object in python?

... @JAB, @Piotr: Reflected to address all the possibilities of what the OP can mean , thanks JAB :) – mouad Jun 20 '11 at 19:57 1 ...
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How ViewBag in ASP.NET MVC works

... properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work? 7 Answers ...
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See changes to a specific file using git

...s, but, as far as I understood, it is directory based. This means it gives all the changes of all files on the current directory. ...
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How do I override __getattr__ in Python without breaking the default behavior?

...ttributes in the instance that match the name. For instance, if you access foo.bar, then __getattr__ will only be called if foo has no attribute called bar. If the attribute is one you don't want to handle, raise AttributeError: class Foo(object): def __getattr__(self, name): if some_pr...
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Immutable vs Mutable types

... Almost, but not exactly. Technically, all variables are passed by reference in Python, but have a semantics more like pass by value in C. A counterexample to your analogy is if you do def f(my_list): my_list = [1, 2, 3]. With pass-by-reference in C, the val...
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Escape a string for a sed replace pattern

...capes themselves, forward slash for end of statement and & for replace all): ESCAPED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g') # Now you can use ESCAPED_REPLACE in the original sed statement sed "s/KEYWORD/$ESCAPED_REPLACE/g" If you ever need to escape the KEYWORD s...
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Forward declaration of a typedef in C++

... +1 in the end because while you technically can't "forward-typedef" (i.e. you can't write "typedef A;"), you can almost certainly accomplish what the OP wants to accomplish using your trick above. – j_random_hacker Apr 30 '09...
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Match multiple cases classes in scala

...String parameters, and want to treat B and C the same, so: def matcher(l: Foo): String = { l match { case A() => "A" case B(_) | C(_) => "B" case _ => "default" } } If you must, must, must extract the parameter and treat them in the same code block, you could: def matche...