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How to sort a dataFrame in python pandas by two or more columns?
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As of the 0.17.0 release, the sort method was deprecated in favor of sort_values. sort was completely removed in the 0.20.0 release. The arguments (and results) remain the same:
df.sort_values(['a', 'b'], ascending=[True, False])
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How to handle many-to-many relationships in a RESTful API?
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136
In a RESTful interface, you can return documents that describe the relationships between resou...
Calculating distance between two points, using latitude longitude?
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219
The Java code given by Dommer above gives slightly incorrect results but the small errors add u...
How can I filter a Django query with a list of values?
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From the Django documentation:
Blog.objects.filter(pk__in=[1, 4, 7])
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How to get the last element of a slice?
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For just reading the last element of a slice:
sl[len(sl)-1]
For removing it:
sl = sl[:len(sl)-1]
See this page about slice tricks
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How to “fadeOut” & “remove” a div in jQuery?
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edited Feb 16 '09 at 14:23
answered Feb 16 '09 at 14:09
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PHP: If internet explorer 6, 7, 8 , or 9
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A better similarity ranking algorithm for variable length strings
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157
Simon White of Catalysoft wrote an article about a very clever algorithm that compares adjacen...
Capturing Ctrl-c in ruby
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133
The problem is that when a Ruby program ends, it does so by raising SystemExit. When a contro...
Update date + one year in mysql
When I want setting numerical value +1 in mysql table, I use e.g.:
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