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Creating dataframe from a dictionary where entries have different lengths
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In Python 3.x:
import pandas as pd
import numpy as np
d = dict( A = np.array([1,2]), B = np.array([1,2,3,4]) )
pd.DataFrame(dict([ (k,pd.Series(v)) for k,v in d.items() ]))
Out[7]:
A B
0 1 1
1 2 2
2 NaN 3
3 NaN 4
In Python 2.x...
Image library for Python 3
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The "friendly PIL fork" Pillow works on Python 2 and 3. Check out the Github project for support matrix and so on.
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How to use java.String.format in Scala?
...d know how it should display the string. %s is probably the most common, and it just means that the argument should be treated as a string.
I won't list every option, but I'll give a few examples just to give you an idea:
// we can specify the # of decimals we want to show for a floating point:
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Get the first element of an array
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I get this: <b>Strict Standards</b>: Only variables should be passed by reference. Nice workaround btw
– Simone
Mar 21 '12 at 13:55
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'innerText' works in IE, but not in Firefox
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Firefox uses the W3C-compliant textContent property.
I'd guess Safari and Opera also support this property.
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Calculating Distance between two Latitude and Longitude GeoCoordinates
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The GeoCoordinate class (.NET Framework 4 and higher) already has GetDistanceTo method.
var sCoord = new GeoCoordinate(sLatitude, sLongitude);
var eCoord = new GeoCoordinate(eLatitude, eLongitude);
return sCoord.GetDistanceTo(eCoord);
The distance is in meters.
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How to insert a row in an HTML table body in JavaScript
I have an HTML table with a header and a footer:
9 Answers
9
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How do I ignore a directory with SVN?
I just started using SVN, and I have a cache directory that I don't need under source control. How can I ignore the whole directory/folder with SVN?
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Should Javadoc comments be added to the implementation?
Is it correct practice to add Javadoc comments in the interface and add non-Javadoc comments in the implementation?
7 Answe...
What is the purpose of Rank2Types?
...morphic. In the example map uses id as if it had type String -> String. And of course you can also pass a simple monomorphic function of the given type instead of id. Without rank2types there is no way for a function to require that its argument must be a polymorphic function and thus also no way...