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Is there a ternary conditional operator in T-SQL?
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Use case:
select *
from table
where isExternal = case @type when 2 then 1 else 0 end
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“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2
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answered Mar 27 '11 at 4:01
Winston EwertWinston Ewert
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How to download a single commit-diff from GitHub?
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edited Aug 4 '16 at 10:51
Martin Bonner supports Monica
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What's the difference between MemoryCache.Add and MemoryCache.Set?
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answered Jan 15 '12 at 8:46
Marc Gravell♦Marc Gravell
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How to use the 'sweep' function
...o the 2nd, etc. of the matrix you defined, you will do:
sweep (M, 1, c(1: 4), "+")
I frankly did not understand the definition in the R documentation either, I just learned by looking up examples.
share
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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...
Append column to pandas dataframe
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Or pd.concat([dat1, dat2], axis=1) in this case.
– DSM
Dec 16 '13 at 3:35
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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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What is the 
 character?
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answered Apr 4 '11 at 16:10
Justin NiessnerJustin Niessner
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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 ...