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Difference between HashSet and HashMap?
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@justk: yes, you can get two keys in one bucket, and then equals() is used to distinguish between them. That's why it's essential that hashCode() and equals() are compatible.
– Michael Borgwardt
May 5 '10 at 14:14
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Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
...nt-hard-error-in-future /opt/boxen/repo/script/boxen --no-fde. Thanks everyone that helped
– g8M
Mar 17 '14 at 15:53
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Error when changing to master branch: my local changes would be overwritten by checkout
This question is similar to this one, but more specific.
7 Answers
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How does the socket API accept() function work?
...d UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
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Is short-circuiting logical operators mandated? And evaluation order?
... this paragraph are the built-in operators, as described in clause 5. When one of these operators is overloaded (clause 13) in a valid context, thus designating a user-defined operator function, the expression designates a function invocation, and the operands form an argument list, without an impli...
Android WebView: handling orientation changes
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doing that is in fact discouraged, as has been mentioned many times before
– Matthias
Nov 26 '10 at 17:00
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Where does the @Transactional annotation belong?
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I think transactions belong on the Service layer. It's the one that knows about units of work and use cases. It's the right answer if you have several DAOs injected into a Service that need to work together in a single transaction.
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Should I add the Visual Studio .suo and .user files to source control?
Visual Studio solutions contain two types of hidden user files. One is the solution .suo file which is a binary file. The other is the project .user file which is a text file. Exactly what data do these files contain?
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Difference between Mock / Stub / Spy in Spock test framework
...nfo see Martin Fowler's website.
A mock is a dummy class replacing a real one, returning something like null or 0 for each method call. You use a mock if you need a dummy instance of a complex class which would otherwise use external resources like network connections, files or databases or maybe u...
mysql: see all open connections to a given database?
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This is the only one correct, apart from the chosen one, which can be done using SQL instead of mysqladmin.
– dresende
May 7 '16 at 9:48
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