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How do I automatically update a timestamp in PostgreSQL
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– Basil Bourque
Oct 1 '14 at 21:08
The first half is not what the OP asked at all, even though the second half refe...
Wrapping null-returning method in Java with Option in Scala?
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The Option companion object's apply method serves as a conversion function from nullable refere...
Run a callback only if an attribute has changed in Rails
...Record::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveRecord::Dirty in...
difference between collection route and member route in ruby on rails?
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edited Jul 14 '16 at 12:08
answered Jul 25 '12 at 10:26
Am...
Foreign keys in mongo?
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edited Oct 18 '19 at 5:39
tupan
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Loop through Map in Groovy?
... 'Android':'2.3.3',
'Nokia':'Symbian',
'Windows':'WM8'
]
map.each{ k, v -> println "${k}:${v}" }
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Git Ignores and Maven targets
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edited Jun 8 '12 at 3:09
user1411381
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answered Jun 14 '09 at 0:52
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How to get a complete list of object's methods and attributes?
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edited Jan 18 '12 at 14:56
Jonathan Drake
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What's the difference between :: (double colon) and -> (arrow) in PHP?
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ArtefactoArtefacto
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What does `someObject.new` do in Java?
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And, as you can tell, this can be incredibly confusing. Ideally, inner classes should be implementation details of the outer class and not b...