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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
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}
and tables with a similar structure. A single query for the address "22 Valley St" may return:
Id Address Name HouseId
1 22 Valley St Dave 1
1 22 Valley St John 1
1 22 Valley St Mike 1
The O/RM should fill an instance of Home with ID=1, Address="22 Valley St" and then populate the I...
AVAudioPlayer throws breakpoint in debug mode
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answered Oct 22 '12 at 5:41
MugunthMugunth
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What's the difference between window.location and document.location in JavaScript?
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According to the W3C, they are the same. In reality, for cross browser safety, you should use ...
Reload django object from database
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answered Jul 14 '15 at 16:22
Tim FletcherTim Fletcher
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Subdomain on different host [closed]
... dnsimple anothersite.mydomain.com and point the IP to the other server 98.22.11.11
And that's it.
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Android Studio says “cannot resolve symbol” but project compiles
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answered Oct 22 '13 at 12:11
doydoydoydoy
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How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
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mowwwalker
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answered Aug 28 '15 at 17:45
user2601995user26...
Best way to track onchange as-you-type in input type=“text”?
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answered Feb 22 '09 at 14:09
Crescent FreshCrescent Fresh
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Why use Ruby's attr_accessor, attr_reader and attr_writer?
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– Nitrodist
Jan 19 '12 at 19:22
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@Nitrodist, Interesting. For Ruby 1.8.7, the attr_read...