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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'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 = @...
Using os.walk() to recursively traverse directories in Python
...ur code?
– stelios
Jul 27 '17 at 17:04
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How do I create and read a value from cookie?
...var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toGMTString();
}
else {
expires = "";
}
document.cookie = name + "=" + value + expires + "; path=/";
}
function getCookie(c_name) {
if (docum...
How to import an excel file in to a MySQL database
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ashatte
5,08377 gold badges3636 silver badges4949 bronze badges
answered Aug 21 '09 at 5:13
ndpndp
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