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Rails Model find where not equal
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In Rails 4.x (See http://edgeguides.rubyonrails.org/active_record_querying.html#not-conditions)
GroupUser.where.not(user_id: me)
In Rails 3.x
GroupUser.where(GroupUser.arel_table[:user_id].not_eq(me))
To shorten the length, you ...
How to access pandas groupby dataframe by key
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In [21]: gb.get_group('foo')
Out[21]:
A B C
0 foo 1.624345 5
2 foo -0.528172 11
4 foo 0.865408 14
Note: This doesn't require creating an intermediary dictionary / copy of every subdataframe for every group, so will be much more memory-efficient that creating the naive d...
How can I use Server.MapPath() from global.asax?
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VB.NET equivalent of C# property shorthand?
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StefanStefan
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Scripting TFS Command Line for Get Latest Version, Check Out and Check in, programmatically
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How do I get into a non-password protected Java keystore or change the password?
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Why is Attributes.IsDefined() missing overloads?
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edited Jul 19 '10 at 14:06
Abel
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How to run Ruby code from terminal?
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theglaubertheglauber
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Not class selector in jQuery
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lonesomedaylonesomeday
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Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?
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