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What is the difference between an interface and abstract class?

...ures that classes must match. They behave the same as long as there are no errors though. – Tor Valamo Dec 16 '09 at 8:55 1 ...
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Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events

...hema changes and RunPython operations in the same migration or you may hit errors like OperationalError: cannot ALTER TABLE "mytable" because it has pending trigger events. – Iasmini Gomes Feb 1 '18 at 10:20 ...
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What is the point of the diamond operator () in Java 7?

...le, using the raw type means you don't get this protection and will get an error at runtime. This is why you should not use raw types. // Not legal since the right side is actually generic! List<Integer> integers = new LinkedList<>(strings); The diamond operator, however, allows the r...
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Can an enum class be converted to the underlying type?

...ields : unsigned { field = 1 }; // ... unsigned x = my_fields::field; // ERROR! unsigned x = static_cast<unsigned>(my_fields::field); // OK Also mind the fact, that the semicolon should be after the closed curly brace in your enum's definition, not before. ...
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How to organize large R programs?

...p really -- all you need it detach(util). i can't remember if it gives an error or not if it's not already loaded, but this is safest and does work. suggestions welcome. – Brendan OConnor Aug 28 '09 at 8:10 ...
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How to check for the type of a template parameter?

... This answer is problematic in several ways. Besides the actual errors (type which is the value of type Type or a template which does not make sense here) is_same_v is not meaningful in the context of variant. The corresponding "trait" is holds_alternative. – Pixelch...
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git replacing LF with CRLF

... I get an error "fatal: not in a git directory". I tried to cd to C:\Program Files\Git and C:\Program Files\Git\bin – pixelwiz Aug 11 '17 at 19:54 ...
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Private properties in JavaScript ES6 classes

... And what about eslint? I got parser error at equal sign. Babel is working, just eslint can't parse this new js syntax. – martonx Feb 4 '19 at 21:55 ...
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Sharing Test code in Maven

...'mvn clean install -DskipTests=true' and the test-jar will be creating. no errors – Karussell Aug 26 '13 at 14:13 1 ...
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Creation timestamp and last update timestamp with Hibernate and MySQL

... know the time zone of your timestamps. This prevents time zone conversion errors. – Ole V.V. Feb 23 at 11:46 The time...