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Can javax.persistence.Query.getResultList() return null?
...ation 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 see...
Listing each branch and its last revision's date in Git
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edited Feb 13 at 13:43
answered Mar 25 '10 at 9:24
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Code block in numbered list (Wiki syntax)
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edited Feb 15 '11 at 20:53
answered Feb 15 '11 at 20:47
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UITextfield leftView/rightView padding on iOS7
...ipsToBounds = YES;
[self setRightViewMode:UITextFieldViewModeUnlessEditing];
self.leftView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"textfield_edit_icon.png"]];
}
return self;
}
You may have to import #import <QuartzCore/QuartzCore.h>
Add the rightVi...
How to migrate/convert from SVN to Mercurial (hg) on windows
... followed these steps:
1) Open C:\Program Files\TortoiseHg\Mercurial.ini
EDIT
FYI - Tortoise Hg has migrated this file to
XP or older - C:\Documents and Settings\USERNAME\Mercurial.ini
Vista or later - C:\Users\USERNAME\Mercurial.ini
That file will be mostly empty and you'll just list wha...
Unable to read data from the transport connection : An existing connection was forcibly closed by th
... is, but it's along the lines of "Service Unreachable" or "Unavailable".
Edit - added
It IS possible that this is being caused by a firewall blocking the port, but given that you say it's intermittent ("sometimes when the client tries to connect"), that's very unlikely. I didn't include that ori...
.NET String.Format() to add commas in thousands place for a number
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edited Nov 7 '18 at 0:30
AustinWBryan
2,86133 gold badges1616 silver badges3535 bronze badges
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angular js unknown provider
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edited Feb 1 '15 at 2:21
Vedant Misra
8511 silver badge77 bronze badges
answer...
Checkout subdirectories in Git?
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edited May 23 '17 at 12:10
community wiki
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Programmatically select text in a contenteditable HTML element?
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If you want to select all the content of an element (contenteditable or not) in Chrome, here's how. This will also work in Firefox, Safari 3+, Opera 9+ (possibly earlier versions too) and IE 9. You can also create selections down to the character level. The APIs you need are DOM Range...