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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
... into how these constraints are defined and carried out (I'm using version 4.1):
The @NotNull constraint is defined as:
@Constraint(validatedBy = {NotNullValidator.class})
This class has an isValid method defined as:
public boolean isValid(Object object, ConstraintValidatorContext constr...
How do you delete all text above a certain line
...20
Rich
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answered Nov 12 '10 at 5:38
Andy WhiteAndy...
If string is empty then return some default value
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answered Jan 27 '11 at 19:24
David PhillipsDavid Phillips
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Nodejs send file in response
...ipe(response);
})
.listen(2000);
Taken from http://elegantcode.com/2011/04/06/taking-baby-steps-with-node-js-pumping-data-between-streams/
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How can I merge two hashes without overwritten duplicate keys in Ruby?
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answered Dec 30 '09 at 15:45
Alex ReisnerAlex Reisner
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What to do with branch after merge
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423
After the merge, it's safe to delete the branch:
git branch -d branch1
Additionally, git wi...
Comparator.reversed() does not compile using lambda
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145
This is a weakness in the compiler's type inferencing mechanism. In order to infer the type of ...
How do I pass the this context to a function?
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edited May 24 '14 at 4:21
David Robles
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Convert int to ASCII and back in Python
... node 1 might be short.com/a , node 52 might be short.com/Z , and node 104 might be short.com/ZZ . When a user goes to that URL, I need to reverse the process (obviously).
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How to convert a ruby hash object to JSON?
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edited May 23 '17 at 12:34
Community♦
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answered Jul 6 '10 at 6:40
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