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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
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That's exactly what I mean: 8.3 neither had CTEs nor windowing functions. So the first solution won't work on 8.3
– a_horse_with_no_name
Dec 7 '12 at 21:05
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What does PorterDuff.Mode mean in android graphics.What does it do?
I would like to know what PorterDuff.Mode means in android graphics.
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How to select bottom most rows?
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@Tom H. Had to think for a few seconds as to what you meant (I've been up 14 hours). At first I couldn't see the difference between yours and the order by answers, but now I can. So +1.
– RichardOD
Dec 9 '09 at 20:52
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What's the Hi/Lo algorithm?
... and then fetching them back onto the client. Aside from anything else, it means you can easily make parent/child relationships and have the keys all in place before you do any inserts, which makes batching them simpler.
sha...
Custom toast on Android: a simple example
...check for that TextView should be there, just to be safe and by a check, I mean a null check or a type check. Just in case, google decides to change the id or view for showing text in Toast class. Anyway... +1
– DroidDev
May 24 '15 at 6:07
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Can someone explain mappedBy in JPA and Hibernate?
... "take the @JoinColumn off of the @OneToMany side entirely" you mean of the @ManyToOne side, right?
– nbro
Apr 11 '16 at 20:55
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Why would an Enum implement an Interface?
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@AKh it compares the ordinals, meaning the natural ordering is the order the enum constants are in the source file.
– Jorn
Aug 21 '12 at 21:43
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Illegal string offset Warning PHP
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The error Illegal string offset 'whatever' in... generally means: you're trying to use a string as a full array.
That is actually possible since strings are able to be treated as arrays of single characters in php. So you're thinking the $var is an array with a key, but it's just a...
How to set caret(cursor) position in contenteditable element (div)?
...a lot. Is there a chance it could be made to work in "text context" - that means position #5 would be the fifth letter on a screen and not the fifth letter in a code ?
– Frodik
Jun 6 '11 at 8:46
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How to map a composite key with JPA and Hibernate?
...ey is a composite key and IMO makes sense when the combined pk is either a meaningful entity itself or it reused in your code.
@IdClass is useful to specify that some combination of fields is unique but these do not have a special meaning.
They also affect the way you write queries (making them mo...