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How to do an INNER JOIN on multiple columns
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Calling a parent window function from an iframe
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Convert ArrayList to String[] array [duplicate]
...Arr) instead of stockArr = stock_list.toArray(stockArr). See stackoverflow.com/a/9572820/597657
– Eng.Fouad
Feb 28 '13 at 17:43
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What is a method group in C#?
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It is purely a compiler term for "I know what the method name is, but I don't know the signature"; it has no existence at runtime. AFAIK, the only use of a method-group by itself (no brackets etc) is during delegate construction.
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Java: Best way to iterate through a Collection (here ArrayList)
...t removing them or modifying the Collection in any way - which is the most common case).
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HTTP status code for update and delete?
...204 (No Content) response codes > SHOULD be sent to indicate successful completion of the request.
DELETE
A successful response SHOULD be 200 (OK) if the response includes an entity describing the status, 202 (Accepted) if the action has not yet been enacted, or 204 (No Content) if the ...
@UniqueConstraint and @Column(unique = true) in hibernate annotation
...umnNames = {"mask", "group"})}
)
Implies that the values of mask + group combined should be unique. That means you can have, for example, a record with mask.id = 1 and group.id = 1, and if you try to insert another record with mask.id = 1 and group.id = 2, it'll be inserted successfully, whereas i...
Nullable type issue with ?: Conditional Operator
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This question has been asked a bunch of times already. The compiler is telling you that it doesn't know how convert null into a DateTime.
The solution is simple:
DateTime? foo;
foo = true ? (DateTime?)null : new DateTime(0);
Note that Nullable<DateTime> can be written DateT...
What does the M stand for in C# Decimal literal notation?
...were unambiguous (and it may well be, although "1e" ends up with a curious compiler error message suggesting it's out of the range of viable doubles, not that it's syntactically invalid; I suspect that's a bug) it would still be confusing. "c" would possibly make sense without causing any confusion,...
How to support UTF-8 encoding in Eclipse
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