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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
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answered Aug 13 '12 at 16:20
Óscar LópezÓscar López
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Why don't self-closing script elements work?
...upport XHTML
– Kornel
Oct 15 '08 at 20:43
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The problem with <script /> is not that the sp...
What is the apply function in Scala?
...rz/…
– Philip Schwarz
Jan 15 at 9:20
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Importing CommonCrypto in a Swift framework
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What exactly is Arel in Rails 3.0?
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edited Jun 20 at 9:12
Community♦
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answered May 5 '10 at 4:35
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Is there a typical state machine implementation pattern?
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edited Jul 6 '17 at 20:32
answered Jul 6 '17 at 17:14
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Should I always use a parallel stream when possible?
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Good answer. I would add that if you have a massive amount of items to process, that only increases the thread coordination issues; it's o...
What is a .snk for?
...trong Name
– asfeynman
Oct 5 '18 at 20:31
Please update the link in the answer (to the one suggested by @asfeynman), s...
Why does Dijkstra's algorithm use decrease-key?
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In 2007, there was a paper that studied the differences in execution time between using the decrease-key version and the insert version. See http://www.cs.utexas.edu/users/shaikat/papers/TR-07-54.pdf
Their basic conclusion was...
Foreign keys in mongo?
....example.com',
ipaddr : '127.66.66.66'
}
logmsg
{
time : ISODate("2014-03-28T09:42:41.382Z"),
message : 'cpu is on fire!',
host: ObjectID('AAAB') // Reference to the Host document
}
Virtually, a host is the parent of a logmsg. Referencing to the host id saves much space give...