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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 ...
Hide all but $(this) via :not in jQuery selector
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How to revert Master branch to upstream
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May also need to run git remote add upstream <upstream_repo_url> if you forked the branch using GitHub.
– Kato
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
... into how these constraints are defined and carried out (I'm using version 4.1):
The @NotNull constraint is defined as:
@Constraint(validatedBy = {NotNullValidator.class})
This class has an isValid method defined as:
public boolean isValid(Object object, ConstraintValidatorContext constr...
Rails migrations: Undo default setting for a column
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json_encode sparse PHP array as JSON array, not JSON object
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How do I create an empty array in YAML?
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edited Feb 24 '11 at 22:50
answered Feb 24 '11 at 20:54
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Fixing the order of facets in ggplot
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143
Make your size a factor in your dataframe by:
temp$size_f = factor(temp$size, levels=c('50%','...
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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