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Roman Pekar's user avatar
Roman Pekar's user avatar
Roman Pekar's user avatar
Roman Pekar
  • Member for 11 years, 9 months
  • Last seen this week
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About

Constant battle for concise and elegant solutions.

ormeugensson at gmail.com

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29
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silver badges
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4,690
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501
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28
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3,733
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232
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13
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3,520
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983
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54
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2,266
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325
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1,760
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603
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33
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740
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197
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11
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Top posts
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791
Update multiple rows in same query using PostgreSQL
Sep 14, 2013
454
Add a string prefix to each value in a pandas string column
Nov 17, 2013
435
Pandas dataframe get first row of each group
Nov 19, 2013
423
Applying function with multiple arguments to create a new pandas column
Nov 12, 2013
303
How can I make pandas dataframe column headers all lowercase?
Nov 1, 2013
276
Pandas get topmost n records within each group
Nov 19, 2013
265
python dataframe pandas drop column using int
Nov 30, 2013
151
Pandas column of lists, create a row for each list element
Dec 3, 2014
137
How to query for Xml values and attributes from table in SQL Server?
Oct 3, 2013
135
Python Pandas add column for row-wise max value of selected columns
Nov 17, 2013
Top network posts
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12
Emulate user-defined scalar function in a way which doesn't prevent parallelism
11
Differences between Mage Hand, Unseen Servant and Find Familiar
7
Trigger on partitioned table and performance
5
Install Visual Studio 2012 (and SQL Server 2012) on SD card