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Way to read first few lines for pandas dataframe
...s
which seems to work. Using one of the standard large test files (988504479 bytes, 5344499 lines):
In [1]: import pandas as pd
In [2]: time z = pd.read_csv("P00000001-ALL.csv", nrows=20)
CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s
Wall time: 0.00 s
In [3]: len(z)
Out[3]: 20
In [4]: ti...
What's the algorithm to calculate aspect ratio?
...hat evenly divides both numbers. So the GCD for 6 and 10 is 2, the GCD for 44 and 99 is 11.
For example, a 1024x768 monitor has a GCD of 256. When you divide both values by that you get 4x3 or 4:3.
A (recursive) GCD algorithm:
function gcd (a,b):
if b == 0:
return a
return gcd (b,...
Error during SSL Handshake with remote server
I have Apache2 (listening on 443) and a web app running on Tomcat7 (listening on 8443) on Ubuntu .
3 Answers
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Creating java date object from year,month,day
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JB NizetJB Nizet
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Check if a method exists
...Selector:@selector(methodName:withEtc:)]) {
[obj methodName:123 withEtc:456];
}
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64-bit version of Boost for 64-bit windows
Is there a version of 64-bit Boost library for VS2008 ?
Or do I have to compile one myself? if, so, does anyone have experience with it?
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Parsing JSON from XmlHttpRequest.responseJSON
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answered Dec 7 '11 at 14:30
TorbenTorben
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How to open every file in a folder?
... Roelant
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answered Aug 15 '13 at 21:38
Viktor KerkezViktor Kerkez
35....
Redis strings vs Redis hashes to represent JSON: efficiency?
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answered May 4 '13 at 14:23
TheHippoTheHippo
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