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Different floating point result with optimization enabled - compiler bug?
...sors use 80-bit extended precision internally, whereas double is normally 64-bit wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-store gcc option to get the same flo...
sql server #region
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edited Feb 21 '19 at 11:49
Kolappan N
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Looping through the content of a file in Bash
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rogerdpack
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answered Oct 5 '09 at 18:00
Bruno De Fr...
Oracle Differences between NVL and Coalesce
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answered Jun 4 '09 at 12:03
QuassnoiQuassnoi
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What is the best way to compute trending topics or tags?
Many sites offer some statistics like "The hottest topics in the last 24h". For example, Topix.com shows this in its section "News Trends". There, you can see the topics which have the fastest growing number of mentions.
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Sorting arrays in NumPy by column
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147
@steve's answer is actually the most elegant way of doing it.
For the "correct" way see the or...
python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
...drop_duplicates(subset='A', keep="last")
Out[10]:
A B
1 1 20
3 2 40
4 3 10
You can do also something like:
In [12]: df.groupby('A', group_keys=False).apply(lambda x: x.loc[x.B.idxmax()])
Out[12]:
A B
A
1 1 20
2 2 40
3 3 10
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Java: Calling a super method which calls an overridden method
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edited Oct 2 '14 at 11:45
answered Jan 4 '11 at 16:11
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How to install XNA game studio on Visual Studio 2012?
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4 Answers
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How do I get PyLint to recognize numpy members?
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edited Sep 14 '16 at 22:49
answered Sep 14 '16 at 22:43
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