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How to select where ID in Array Rails ActiveRecord without exception
...f functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This works in the
user.comments.find_all_by_id(potentially_nonexistent_ids)
case as well.
Update: Rails 4
Comment.where(id: [2, 3, 5])
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Possible to iterate backwards through a foreach?
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Shimmy Weitzhandler
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answered Jul 31 '09 at 9:40
Sam HarwellSam Harwell
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What happens to a github student account's repositories at the end of 2 years?
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173
(Disclosure: I work at GitHub)
So long as you're still a student, you're eligible for the acade...
`new function()` with lower case “f” in JavaScript
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3 Answers
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
I am a beginner to Ruby on Rails and I am using Rails 3.0.9.
3 Answers
3
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Booleans, conditional operators and autoboxing
...nd operand to boolean)
E2: `true ? null : false` - Boolean (autoboxing of 3rd operand to Boolean)
See Java Language Specification, section 15.25 Conditional Operator ? :
For E1, the types of the 2nd and 3rd operands are Boolean and boolean respectively, so this clause applies:
If one of the...
How to get a complete list of object's methods and attributes?
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Jonathan Drake
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answered Oct 10 '08 at 12:25
PierreBdRPierreBdR
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Python: access class property from string [duplicate]
... serv-inc
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answered Jul 22 '09 at 18:55
Alex MartelliAlex Martelli
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Differences between numpy.random and random.random in Python
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