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Algorithm to get the excel-like column name of a number
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156
Here's a nice simple recursive function (Based on zero indexed numbers, meaning 0 == A, 1 == B,...
Group by multiple columns in dplyr, using string vector input
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52
Since this question was posted, dplyr added scoped versions of group_by (documentation here). T...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
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58
Notice how the output of
SHOW GRANTS FOR 'root'@'localhost';
did not say 'ALL PRIVILEGES' bu...
Checking that a List is not empty in Hamcrest
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Combine Date and Time columns using python pandas
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dtype: object
In [12]: pd.to_datetime(df['Date'] + ' ' + df['Time'])
Out[12]:
0 2013-01-06 23:00:...
Peak detection in a 2D array
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+500
I detected the peaks using a local maximum filter. Here is the result on your first dataset of 4 paws:
I also ran it on the second...
How do you convert epoch time in C#?
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579
I presume that you mean Unix time, which is defined as the number of seconds since midnight (U...
Does java have a int.tryparse that doesn't throw an exception for bad data? [duplicate]
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edited Jun 19 '19 at 7:57
Romeo Sierra
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answered Dec 5 '11 a...
Split a collection into `n` parts with LINQ?
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jpaugh
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answered Jan 13 '09 at 10:12
Muhammad Hasan K...
Array.Copy vs Buffer.BlockCopy
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Since the parameters to Buffer.BlockCopy are byte-based rather than index-based, you're more li...