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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...
Capturing “Delete” Keypress with jQuery
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AngularJs ReferenceError: $http is not defined
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Probably you haven't injected $http service to your controller. There are several ways of doing ...
How do I find the last occurrence of a substring in an NSString?
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answered Mar 13 '10 at 21:46
outisoutis
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How can I use Server.MapPath() from global.asax?
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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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How to get subarray from array?
I have var ar = [1, 2, 3, 4, 5] and want some function getSubarray(array, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] .
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VB.NET equivalent of C# property shorthand?
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StefanStefan
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