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VB.NET equivalent of C# property shorthand?
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StefanStefan
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4
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How to run Ruby code from terminal?
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theglaubertheglauber
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How to sort a dataFrame in python pandas by two or more columns?
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490
As of the 0.17.0 release, the sort method was deprecated in favor of sort_values. sort was co...
count members with jsonpath?
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To test size of array: jsonPath("$", hasSize(4))
To count members of object: jsonPath("$.*", hasSize(4))
I.e. to test that API returns an array of 4 items:
accepted value: [1,2,3,4]
mockMvc.perform(get(API_URL))
.andExpect(jsonPath("$", hasSize(4)));
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Not class selector in jQuery
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lonesomedaylonesomeday
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What is the best way to clear a session variable in rails?
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answered Oct 22 '10 at 10:34
SigurdSigurd
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Append column to pandas dataframe
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45
Or pd.concat([dat1, dat2], axis=1) in this case.
– DSM
Dec 16 '13 at 3:35
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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...
A TwoWay or OneWayToSource binding cannot work on the read-only property
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174
It's hard to guess without code, but you should be able to set the BindingMode to OneWay.
<T...