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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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Specify width in *characters*
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23
1em is the height of an M, rather than the width. Same holds for ex, which is the height of an x...
Convert list to tuple in Python
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843
It should work fine. Don't use tuple, list or other special names as a variable name. It's proba...
Printing all global variables/local variables?
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3 Answers
3
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Sending emails with Javascript
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137
The way I'm doing it now is basically like this:
The HTML:
<textarea id="myText">
Lor...
What does JVM flag CMSClassUnloadingEnabled actually do?
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3 Answers
3
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Run certain code every n seconds [duplicate]
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332
import threading
def printit():
threading.Timer(5.0, printit).start()
print "Hello, World...
What is the `sensor` parameter for in the Google Places API?
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3 Answers
3
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String.Join method that ignores empty strings?
... ʙᴀᴋᴇʀ
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answered May 1 '13 at 20:36
DamithDamith
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How can I develop for iPhone using a Windows development machine?
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39 Answers
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