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Using {} in a case statement. Why?
... case 42:
int x = GetSomeValue();
return a * x;
case 1337:
int x = GetSomeOtherValue(); //ERROR
return a * x;
}
You will get a compiler error because x is already defined in the scope.
Separating these to their own sub-scope will eliminate the need to declare ...
How do I run Asynchronous callbacks in Playground
...will eventually terminate the playground after a timeout which defaults to 30 seconds, but which can be configured if you open the assistant editor and show the timeline assistant; the timeout is in the lower-right.
For example, in Swift 3 (using URLSession instead of NSURLConnection):
import UIKi...
Compare two Byte Arrays? (Java)
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edited Mar 26 '11 at 3:18
Stephen C
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Define static method in source-file with declaration in header-file in C++
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231
Remove static keyword in method definition. Keep it just in your class definition.
static keyw...
Apply CSS styles to an element depending on its child elements
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Nisse Engström
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answered Feb 24 '10 at 14:13
KP.KP.
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How can i get the session object if i have the entity-manager
...() for new applications.
So with Hibernate as JPA 2.0 implementation (see 3.15. Native Hibernate API), you would do:
Session session = entityManager.unwrap(Session.class);
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Select rows of a matrix that meet a condition
...can define a column by name:
m[m[, "three"] == 11,]
Or by number:
m[m[,3] == 11,]
Note that if only one row matches, the result is an integer vector, not a matrix.
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Convert to absolute value in Objective-C
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edited Jan 20 '13 at 10:47
answered Jan 17 '11 at 19:39
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SQL Server 2012 column identity increment jumping from 6 to 1000+ on 7th entry [duplicate]
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3 Answers
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Give all the permissions to a user on a DB
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edited Jan 3 at 3:02
answered Mar 18 '14 at 16:56
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