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Rails Model find where not equal
...want to use both not equal and equal, you can use:
user_id = 4
group_id = 27
GroupUser.where(group_id: group_id).where.not(user_id: user_id)
If you want to use a variety of operators (ie. >, <), at some point you may want to switch notations to the following:
GroupUser.where("group_id >...
Template default arguments
...details.
– Paolo M
Jun 21 '18 at 14:27
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Python, add trailing slash to directory string, os independently
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27
Since you want to connect a directory and a filename, use
os.path.join(directory, filename)
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Python convert tuple to string
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27
here is an easy way to use join.
''.join(('a', 'b', 'c', 'd', 'g', 'x', 'r', 'e'))
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RAII and smart pointers in C++
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answered Dec 27 '08 at 16:57
Michael WilliamsonMichael Williamson
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What is a simple/minimal browserconfig.xml for a web site
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edited Mar 27 '17 at 15:58
Jeff Puckett
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Capturing Ctrl-c in ruby
...e Exception => e
– James Tan
Feb 27 '17 at 7:27
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Check if class already assigned before adding
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answered Sep 13 '11 at 14:27
jmar777jmar777
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Git: How to edit/reword a merge commit's message?
...now --rebase-merges
– OrangeDog
Jun 27 '19 at 9:40
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Wrapping null-returning method in Java with Option in Scala?
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Tom CrockettTom Crockett
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