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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
I can't seem to be able to find a summary that distinguishes the difference between these three annotations.
3 Answers
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Is there a CSS not equals selector?
Is there something like != (not equal) in CSS?
e.g, I have the following code:
6 Answers
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What's the difference between std::move and std::forward
I saw this here:
Move Constructor calling base-class Move Constructor
3 Answers
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Overloading member access operators ->, .*
I understand most operator overloading, with the exception of the member access operators -> , .* , ->* etc.
5 An...
Define make variable at rule execution time
In my GNUmakefile, I would like to have a rule that uses a temporary directory. For example:
4 Answers
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Entity framework linq query Include() multiple children entities
This may be a really elementry question but whats a nice way to include multiple children entities when writing a query that spans THREE levels (or more)?
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What is the session's “secret” option?
I don't know anything about cryptography. I'm wondering what the session secret is.
3 Answers
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What does the plus sign do in '+new Date'
I've seen this in a few places
7 Answers
7
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Why are two different concepts both called “heap”?
Why are the runtime heap used for dynamic memory allocation in C-style languages and the data structure both called "the heap"? Is there some relation?
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