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Reading an Excel file in python using pandas
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Tid dummy1 dummy2 dummy3 dummy4 dummy5 \
0 2006-09-01 00:00:00 0 5.894611 0.605211 3.842871 8.265307
1 2006-09-01 01:00:00 0 5.712107 0.605211 3.416617 8.301360
2 2006-09-01 02:00:00 0 5.105300 0.605211 3.090865 8.335395
3 2006...
How do I count the number of occurrences of a char in a String?
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answered Nov 29 '09 at 22:23
CowanCowan
34.8k1111 gold badges6363 silver badges6363 bronze badges
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Is there a way to 'uniq' by column?
... delimiter
-k1,1 for the key field 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1
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Array include any value from another array?
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answered Oct 15 '10 at 11:55
NakilonNakilon
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Force the origin to start at 0
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205
xlim and ylim don't cut it here. You need to use expand_limits, scale_x_continuous, and scale_y...
Replacing NULL with 0 in a SQL server query
...ults for the first three columns I get NULL . How can I replace it with 0 ?
11 Answers
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Maximum single-sell profit
...ry!), but it's helpful to see the algorithm evolve:
5 10 4 6 7
min 5 5 4 4 4
best (5,5) (5,10) (5,10) (5,10) (5,10)
Answer: (5, 10)
5 10 4 6 12
min ...
Principal component analysis in Python
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edited Sep 3 '10 at 11:40
nikow
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answe...
Calling a Method From a String With the Method's Name in Ruby
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answered Sep 10 '09 at 20:17
Colin GravillColin Gravill
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Is it worth using Python's re.compile?
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I've had a lot of experience running a compiled regex 1000s of times versus compiling on-the-fly, and have not noticed any perceivable difference. Obviously, this is anecdotal, and certainly not a great argument against compiling, but I've found the difference to be negligible.
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