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Ternary operator is twice as slow as an if-else block?
... different case, it might be faster than if/else, as I tried to explain in my answer.
– Eren Ersönmez
Jun 27 '13 at 12:41
6
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JPA EntityManager: Why use persist() over merge()?
...gh use returned instance (managed one).
Maybe a code example will help.
MyEntity e = new MyEntity();
// scenario 1
// tran starts
em.persist(e);
e.setSomeField(someValue);
// tran ends, and the row for someField is updated in the database
// scenario 2
// tran starts
e = new MyEntity();
em.me...
How can I find the version of the Fedora I use?
... answered Jun 1 '13 at 10:03
myroslavmyroslav
3,3651919 silver badges2727 bronze badges
...
Escape Character in SQL Server
...g. instead of doing
DECLARE @SQL NVARCHAR(1000)
SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = ''AAA'''
EXECUTE(@SQL)
try this:
DECLARE @SQL NVARCHAR(1000)
SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = @Field1'
EXECUTE sp_executesql @SQL, N'@Field1 VARCHAR(10)', 'AAA'
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AngularJS : Clear $watch
I have a watch function in my AngularJS application.
7 Answers
7
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Algorithm to detect intersection of two rectangles?
...
My mistake, it does cope with that condition.
– Skizz
Sep 22 '08 at 22:50
2
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What are five things you hate about your favorite language? [closed]
...en a cluster of Perl-hate on Stack Overflow lately, so I thought I'd bring my " Five things you hate about your favorite language " question to Stack Overflow. Take your favorite language and tell me five things you hate about it. Those might be things that just annoy you, admitted design flaws, rec...
Is it possible for a computer to “learn” a regular expression by user-provided examples?
... better describe what is a match and what is not a desired match:
--i.e:
"My phone is +39-128-3905 , and the phone product id is 966-347Z" -> "966-347Z"
The phone number is not a product id, this may be an important proof.
...
Fastest Way to Find Distance Between Two Lat/Long Points
I currently have just under a million locations in a mysql database all with longitude and latitude information.
15 Answers...
Why should a function have only one exit-point? [closed]
...
My general recommendation is that return statements should, when practical, either be located before the first code that has any side-effects, or after the last code that has any side-effects. I would consider something like...