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data.table vs dplyr: can one do something well the other can't or does poorly?
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We need to cover at least these aspects to provide a comprehensive answer/comparison (in no particular order of importance): Speed, ...
How to set a single, main title above all the subplots with Pyplot?
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Use pyplot.suptitle or Figure.suptitle:
import matplotlib.pyplot as plt
import numpy as np
f...
How do I install PyCrypto on Windows?
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Symfony 2 EntityManager injection in service
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112
Your class's constructor method should be called __construct(), not __constructor():
public fun...
Format bytes to kilobytes, megabytes, gigabytes
...bytes and gigabytes? For instance I have an MP3 that Ubuntu displays as "5.2 MB (5445632 bytes)". How would I display this on a web page as "5.2 MB" AND have files less than one megabyte display as KB and files one gigabyte and above display as GB?
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How to use java.String.format in Scala?
I am trying to use a .format method of a string. But if I place %1, %2, etc. in the string, java.util.UnknownFormatConversionException is thrown pointing to a confusing Java source code piece:
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What's the point of JAXB 2's ObjectFactory classes?
I'm new to using JAXB, and I used JAXB 2.1.3's xjc to generate a set of classes from my XML Schema. In addition to generating a class for each element in my schema, it created an ObjectFactory class.
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Double vs single quotes
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" " allows you to do string interpolation, e.g.:
world_type = 'Mars'
"Hello #{world_type}"
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How do you count the number of occurrences of a certain substring in a SQL varchar?
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