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ICollection Vs List in Entity Framework
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When do Java generics require
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First - I have to direct you to http://www.angelikalanger.com/GenericsFAQ/JavaGenericsFAQ.html -- she does an amazing job.
The basic idea is that you use
<T extends SomeClass>
when the actual parameter can be SomeClass or any subtype of it.
In yo...
How to negate a method reference predicate
...isEmpty()) notEmpty++;
*If you want to know what is faster, then use JMH http://openjdk.java.net/projects/code-tools/jmh, and avoid hand benchmark code unless it avoids all JVM optimizations — see Java 8: performance of Streams vs Collections
**I am getting flak for suggesting that the for-loop...
Rails migration: t.references with alternative name?
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Checking if a list is empty with LINQ
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List.Count is O(1) according to Microsoft's documentation:
http://msdn.microsoft.com/en-us/library/27b47ht3.aspx
so just use List.Count == 0 it's much faster than a query
This is because it has a data member called Count which is updated any time something is added or removed fro...
LINQ: Distinct values
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Just use the Distinct() with your own comparer.
http://msdn.microsoft.com/en-us/library/bb338049.aspx
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What's the reason I can't create generic array types in Java?
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(I believe it is Neal Gafter, but am not sure)
See it in context here: http://forums.sun.com/thread.jspa?threadID=457033&forumID=316
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How can you iterate over the elements of an std::tuple?
... << "foo2.bar after mutation: " << foo2.bar << endl;
}
http://coliru.stacked-crooked.com/a/27b3691f55caf271
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How to get a property value based on the name
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Java 8 Iterable.forEach() vs foreach loop
...ter)
EDIT: Looks like some of the original proposals for lambdas (such as http://www.javac.info/closures-v06a.html Google Cache) solved some of the issues I mentioned (while adding their own complications, of course).
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