... Seems to me, you have an error in your sample code. The casting should be ((A)clB).Foo(), shouldn't it? – trendl Mar 23 '09 at 15:38 ...

...er returns a value but does not take an argument. Thus, this results in an error. A method reference refers to the method of a functional interface. (As mentioned, functional interfaces can have only one method each). Some more examples: the accept method in Consumer takes an input but doesn't r...

...n including headers from 'the same' library and ended up with redefinition errors. If I understand correctly, #include <...> used the package installed on the system and #include "..." used the nearby repository version. I might have those backwards. Either way, the include guard in the packag...

...ould also be done directly in the while-loop). But there's another obvious error: Europe is missing! What happened to it? The answer is that read returns a failing return code if it hits end-of-file (in this case we can call it end-of-string) without encountering a final field terminator on the fina...

... ok, thats a good idea, but for the pre-existing value it will return an error but NOT the value itself, right? – Discipol May 3 '13 at 14:41 3 ...

... This doesn't work. It gives me the error: undefined method 'full_name' for #<struct first_name="Stewart", last_name="Home"> – Kyle Decot May 13 '13 at 18:29 ...

... If you're getting a fun compiler error in XCode 9 like me, saying that max() doesn't exist even when you clearly pass it two Ints, then change it to Swift.max and suddenly yay, things are better. Thanks wm.p1us! – xaphod ...

... objects with hardcoded behaviour to make it easier to isolate behavioural errors. Rhino.Mocks is a popular free mocking framework which will essentially write the objects for you. TypeMock.NET (a commercial product with a community edition available) is a more powerful framework which can mock CLR ...

... that the x-level caches are responsible for most non-reproducible runtime errors. That's because the developers usually don't learn the low-level stuff, like how CPU's work or how the memory hierarchy affects the running of applications: http://en.wikipedia.org/wiki/Memory_hierarchy It remains a r...

...el is basically a bag-of-handlers with more features related to threading, error handling, ... python-dispatch requires the even source classes to derive from pydispatch.Dispatcher. buslane is class-based, supports single- or multiple handlers and facilitates extensive type hints. Pithikos' Observer...