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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java

... however, is that f and h will auto-box, but g will not. That is a bit the opposite of what Java does, in that f and h cannot be specified, and g (defined with java.lang.Object) would cause auto-boxing. Starting with Scala 2.10.0, though, the user can extend AnyVal or Any, with the following semant...
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What is the difference between C# and .NET?

... you can do something interesting in C# just by using .NET libraries). The opposite isn't necessarily true as you can use other languages to write .NET applications. The distinction between a language, a runtime, and a library is more strict in .NET/C# than for example in C++, where the language s...
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Difference between attr_accessor and attr_accessible

... allows you to list all the columns you want to allow Mass Assignment. The opposite of this is attr_protected which means this field I do NOT want anyone to be allowed to Mass Assign to. More than likely it is going to be a field in your database that you don't want anyone monkeying around with. Lik...
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Using a strategy pattern and a command pattern

...ay, depending on implementation. so i see no conflict here, but, quite the opposite: nice example =) – jungle_mole Mar 1 '16 at 0:09 ...
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What is a good Hash Function?

... I had read from Jenkins' site that SFH is one of the best then, but I think Murmur might do better, see this excellent answer: programmers.stackexchange.com/questions/49550/… – nawfal Apr 14 '13 at 21:39 ...
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How to check if all elements of a list matches a condition?

... this, it will stop once a condition is met that fails your statement. The opposite method would be dropwhile for x in itertools.takewhile(lambda x: x[2] == 0, list) print x share | improve th...
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Count Rows in Doctrine QueryBuilder

...lass); $count = $repository->count(); And in Repository/FooRepository.php public function count() { $qb = $repository->createQueryBuilder('t'); return $qb ->select('count(t.id)') ->getQuery() ->getSingleScalarResult(); } It's better to move $qb = ....
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Best way to add page specific JavaScript in a Rails 3 app?

... into groups which only apply in certain controllers/views/sections of the site. Move your js in assets into folders, with a separate manifest file for each, so if you had an admin js library that is only used on the backend, you might do this: assets javascripts admin ...js admin.js (manife...
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Python garbage collector documentation [closed]

...ce I can't figure out how to link to the current version of a file on that site, I'll link to an unofficial GitHub mirror instead. – Marius Gedminas Aug 12 '13 at 12:52 1 ...
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Difference between exit() and sys.exit() in Python

... the interactive shell - sys.exit is intended for use in programs. The site module (which is imported automatically during startup, except if the -S command-line option is given) adds several constants to the built-in namespace (e.g. exit). They are useful for the interactive interpreter shell a...