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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 is attr_accessible used in Rails 4?
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447
Rails 4 now uses strong parameters.
Protecting attributes is now done in the controller. This...
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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Instantiating object of type parameter
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84
After type erasure, all that is known about T is that it is some subclass of Object. You need to...
How to use SQL Order By statement to sort results case insensitive?
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Dharman
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answered Mar 10 '10 at 1:09
dan04dan04
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How do Google+ +1 widgets break out of their iframe?
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edited Mar 17 '17 at 10:45
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answered Sep 5 '11 at 23:03
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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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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...