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SVN checkout ignore folder
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answered Oct 20 '08 at 11:44
Jon TopperJon Topper
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Can javax.persistence.Query.getResultList() return null?
...ification says nothing about it. But Java Persistence with Hibernate book, 2nd edition, says:
If the query result is empty, a null is returned
Hibernate JPA implementation (Entity Manager) return null when you call query.getResultList() with no result.
UPDATE
As pointed out by some users, it...
How to pass password automatically for rsync SSH command?
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answered Jul 21 '10 at 13:53
Mad ScientistMad Scientist
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How to check if the URL contains a given string?
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edited Jun 22 '19 at 7:32
double-beep
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'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
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12 Answers
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Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?
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125
66:99 and climbing:
Yes, there is a better way than going into every single simulator in town, ...
what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
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answered Aug 30 '13 at 9:26
Yotam OmerYotam Omer
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How to check if object (variable) is defined in R?
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R> exists("somethingUnknown")
[1] FALSE
R> somethingUnknown <- 42
R> exists("somethingUnknown")
[1] TRUE
R>
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SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
6 Answers
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Postgres unique constraint vs index
...k1 foreign key (con_id) references master(con_id),
constraint detail_fk2 foreign key (ind_id) references master(ind_id)
);
Table "public.detail"
Column | Type | Modifiers
--------+---------+-----------
con_id | integer |
ind_id | integer |
Foreign-key constraints:
"detail_fk1" FOR...