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add created_at and updated_at fields to mongoose schemas
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As of Mongoose 4.0 you can now set a timestamps option on the Schema to have Mongoose handle this for you:
var thingSchema = new Schema({..}, { timestamps: true });
You can change the name of the fields used like so:
var thingSchema = new...
Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
...on.
Example
Assuming you have a hibernate class object for a table with 10 rows based on a primary key combination (column 1 and column 2). Now, you have removed 5 rows from the table at some point of time. Now, if you try to add the same 10 rows again, while hibernate tries to persist the objects...
String literals: Where do they go?
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edited Apr 7 '10 at 4:34
answered Apr 7 '10 at 4:16
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presentViewController:animated:YES view will not appear until user taps again
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answered Jun 11 '15 at 17:02
Tamás ZaholaTamás Zahola
8,64544 gold badges2626 silver badges4141 bronze badges
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What is the meaning of the 'g' flag in regular expressions?
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answered Oct 20 '12 at 23:40
sachleensachleen
28.2k66 gold badges6969 silver badges7171 bronze badges
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Is there a way to @Autowire a bean that requires constructor arguments?
I'm using Spring 3.0.5 and am using @Autowire annotation for my class members as much as possible. One of the beans that I need to autowire requires arguments to its constructor. I've looked through the Spring docs, but cannot seem to find any reference to how to annotate constructor arguments.
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Update just one gem with bundler
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edited May 10 '17 at 16:31
Andy Waite
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What's the difference between the 'ref' and 'out' keywords?
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answered Dec 23 '08 at 9:18
Rune GrimstadRune Grimstad
33.2k99 gold badges5656 silver badges7474 bronze badges
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SQL Server: Query fast, but slow from procedure
...p. e.g.
Slow way:
CREATE PROCEDURE GetOrderForCustomers(@CustID varchar(20))
AS
BEGIN
SELECT *
FROM orders
WHERE customerid = @CustID
END
Fast way:
CREATE PROCEDURE GetOrderForCustomersWithoutPS(@CustID varchar(20))
AS
BEGIN
DECLARE @LocCustID varchar(20)
SET @LocCustID = @...