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Normalize data in pandas
... df
Out[92]:
a b c d
A -0.488816 0.863769 4.325608 -4.721202
B -11.937097 2.993993 -12.916784 -1.086236
C -5.569493 4.672679 -2.168464 -9.315900
D 8.892368 0.932785 4.535396 0.598124
In [93]: df_norm = (df - df.mean()) / (df.max() - df.min())
In [9...
When to make a type non-movable in C++11?
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edited Jan 14 '13 at 9:24
sbi
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ans...
How to create and handle composite primary key in JPA
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232
You can make an Embedded class, which contains your two keys, and then have a reference to that...
Advantage of creating a generic repository vs. specific repository for each object?
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edited Aug 23 '13 at 15:00
Brody Robertson
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Scala actors: receive vs react
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edited Jun 18 '13 at 14:25
James Sheppard
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Standardize data columns in R
I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages.
15 ...
Difference between path.normalize and path.resolve in Node.js
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edited Jul 30 '18 at 20:26
answered May 30 '12 at 20:34
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Send an Array with an HTTP Get
... with a single field (e.g. field1=value1&field1=value2&field2=value3).[4][5]
Generally, when the target server uses a strong typed programming language like Java (Servlet), then you can just send them as multiple parameters with the same name. The API usually offers a dedicated method to o...
How do I flag a method as deprecated in Objective-C 2.0?
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163
Deprecation Syntax
Syntax is provided to mark methods as deprecated:
@interface SomeClass
-met...
How do you represent a JSON array of strings?
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I'll elaborate a bit more on ChrisR awesome answer and bring images from his awesome reference...