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Simple Pivot Table to Count Unique Values
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Insert a 3rd column and in Cell C2 paste this formula
=IF(SUMPRODUCT(($A$2:$A2=A2)*($B$2:$B2=B2))>1,0,1)
and copy it down. Now create your pivot based on 1st and 3rd column. See snapshot
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How to implement an ordered, default dict? [duplicate]
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edited Aug 23 '14 at 20:47
Martin Thoma
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Compare integer in bash, unary operator expected
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edited Aug 9 '15 at 3:44
answered Mar 3 '09 at 4:41
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How can I check if a key exists in a dictionary? [duplicate]
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3 Answers
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Add EBS to Ubuntu EC2 Instance
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Since this is a new volume, you need to format the EBS volume (block device) with a file syste...
How to use R's ellipsis feature when writing your own function?
...luated expression".
When you call my_ellipsis_function(a=1:10,b=11:20,c=21:30) then ... "creates" a list of arguments: list(a=1:10,b=11:20,c=21:30) and substitute make it a list of four elements:
List of 4
$ : symbol list
$ a: language 1:10
$ b: language 11:20
$ c: language 21:30
First element d...
Maven – Always download sources and javadocs
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xecaps12xecaps12
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With CSS, use “…” for overflowed block of multi-lines
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answered Jun 3 '11 at 5:22
Jim ThomasJim Thomas
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How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
Note: This question is only relevant for Grunt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question.
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Why doesn't list have safe “get” method like dictionary?
...ows you to query the value associated with a name, not directly access the 37th item in the dictionary (which would be more like what you're asking of your list).
Of course, you can easily implement this yourself:
def safe_list_get (l, idx, default):
try:
return l[idx]
except IndexError:
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