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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...
Is “ ” a replacement of “ ”?
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zb226
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answered Jul 18 '10 at 4:32
Ignacio Vazquez-Abrams...
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mauris
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answered Nov 29 '13 at 13:29
artur grzesiaka...
What is the right way to POST multipart/form-data using curl?
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KamalakshiKamalakshi
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How can I generate an ObjectId with mongoose?
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Why do we need fibers
...02:0> e.next
=> "a"
irb(main):003:0> e.next
=> "b"
irb(main):004:0> e.next
=> "c"
You may have heard of "internal iterators" and "external iterators" (a good description of both is given in the "Gang of Four" Design Patterns book). The above example shows that Enumerators can be ...
Query a parameter (postgresql.conf setting) like “max_connections”
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answered Nov 27 '11 at 20:42
Erwin BrandstetterErwin Brandstetter
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MySQL stored procedure vs function, which would I use when?
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edited Jan 6 '17 at 22:41
Eng.Fouad
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answ...