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How can I verify if one list is a subset of another?
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131
The performant function Python provides for this is set.issubset. It does have a few restrictio...
“Wrong type argument: commandp” error when binding a lambda to a key
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Get current stack trace in Ruby without raising an exception
I want to log the current backtrace (stacktrace) in a Rails 3 app without an exception occurring. Any idea how?
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How can I format patch with what I stash away
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163
Sure, git stash show supports this:
git stash show -p
So, use
git stash list
to find out the ...
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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NSDictionary - Need to check whether dictionary contains key-value pair or not
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Tony Adams
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answered Feb 3 '10 at 6:17
Matt B.Matt B.
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Vim: How do you open another [No Name] buffer like the one on startup?
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In HTML5, is the localStorage object isolated per page/domain?
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edited Oct 23 '19 at 11:07
baHI
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answered Nov 17 '1...
How can I copy & paste, or duplicate, an existing project?
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Passing multiple values to a single PowerShell script parameter
...s to the script, pass it as an array:
myScript.ps1 -Hosts host1,host2,host3 -VLAN 2
...or something similar.
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