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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
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answered Jul 3 '19 at 7:32
Mukesh Kumar GuptaMukesh Kumar Gupta
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What is the string length of a GUID?
...s: 12345678-1234-1234-1234-123456789abc
Guid.NewGuid().ToString("N") => 32 characters (Digits only)
outputs: 12345678123412341234123456789abc
Guid.NewGuid().ToString("B") => 38 characters (Braces)
outputs: {12345678-1234-1234-1234-123456789abc}
Guid.NewGuid().ToString("P") => 38 characters ...
emacs, unsplit a particular window split
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
C/C++ Struct vs Class
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Lance DiduckLance Diduck
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10
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Are there any style options for the HTML5 Date picker?
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edited Aug 28 '18 at 1:32
user12205
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answered S...
How to add multiple columns to a table in Postgres?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Loading Backbone and Underscore using RequireJS
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B RobsterB Robster
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Django filter queryset __in for *every* item in list
...num_tags=2)
Out[30]: [<Photo: Photo object>]
Resulting query:
In [32]: print Photo.objects.filter(tags__in=[t1, t2]).annotate(num_tags=Count('tags')).filter(num_tags=2).query
SELECT "test_photo"."id", COUNT("test_photo_tags"."tag_id") AS "num_tags"
FROM "test_photo"
LEFT OUTER JOIN "test_ph...
How do write IF ELSE statement in a MySQL query
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answered Jan 6 '12 at 19:32
Jack EdmondsJack Edmonds
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MySQL COUNT DISTINCT
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RichardTheKiwiRichardTheKiwi
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add a...