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Using IQueryable with Linq
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right. but you mentioned where clause after this function call. So system is still unaware of the filter. I mean it still fetch all records of products. right?
– Pankaj
Dec 14 '11 at 4:49
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Throw an error in a MySQL trigger
...E PROCEDURE insert_test(p_id INT)
BEGIN
IF NEW.id < 0 THEN
CALL my_signal('Error: invalid_id_test; Id must be a positive integer');
ELSE
INSERT INTO test (id) VALUES (p_id);
END IF;
END$$
DELIMITER ;
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ExpressJS - throw er Unhandled error event
...ks for pointing that out. I don't think the particular script I was using called for any of those ports, I'm certainly not using Node as an http server. Perhaps it was one of the modules I used which called for additional permissions? I apologize it's been a while so I'm not even sure which scrip...
support FragmentPagerAdapter holds reference to old fragments
...e fragments that have been added to the fragment manager are saved automatically. Even if your app is killed, this information is restored when you relaunch your app.
Now consider that you have viewed a few pages, Fragments A, B and C. You know that these have been added to the fragment manager. Be...
Convert javascript array to string
...which is pretty rubbish. This answer is just a worse way to write the same call to the same broken, native string method. 42 upvotes??
– Carl Smith
Jun 13 '14 at 22:53
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Can I use Objective-C blocks as properties?
...)void (^doStuff)(void);
// Here's a method in your class.
// When someone CALLS this method, they PASS IN a block of code,
// which they want to be performed after the method is finished.
-(void)doSomethingAndThenDoThis:(void(^)(void))pleaseDoMeLater;
// We will hold on to that block of code in "...
How to remove focus without setting focus to another control?
...is. One might want to check for null a value from getCurrentFocus() before calling clearFocus()
– Vering
Oct 29 '13 at 14:16
4
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When to use self over $this?
...}
$x = new Y();
$x->bar();
?>
The idea is that $this->foo() calls the foo() member function of whatever is the exact type of the current object. If the object is of type X, it thus calls X::foo(). If the object is of type Y, it calls Y::foo(). But with self::foo(), X::foo() is always...
Get the current fragment object
...at some point of time I need to identify which object is currently there
Call findFragmentById() on FragmentManager and determine which fragment is in your R.id.frameTitle container.
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impro...
Specifying column name in a “references” migration
...e the belongs_to statement, you will have to modify it, so now you have to call
def post
belongs_to :user, :foreign_key => 'author_id'
end
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