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Why use argparse rather than optparse?

I noticed that the Python 2.7 documentation includes yet another command-line parsing module. In addition to getopt and optparse we now have argparse . ...
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How to use Greek symbols in ggplot2?

My categories need to be named with Greek letters. I am using ggplot2 , and it works beautifully with the data. Unfortunately I cannot figure out how to put those greek symbols on the x axis (at the tick marks) and also make them appear in the legend. Is there any way to do it? ...
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When to use a key/value store such as Redis instead/along side of a SQL database?

I have read great things about key/value stores such as Redis but I can't seem to figure out when it's time to use it in an application. ...
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data.frame rows to a list

I have a data.frame which I would like to convert to a list by rows, meaning each row would correspond to its own list elements. In other words, I would like a list that is as long as the data.frame has rows. ...
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Batch file to copy directories recursively

Is there a way to copy directories recursively inside a .bat file? If so, an example would be great. thanks. 3 Answers ...
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What is the memory consumption of an object in Java?

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Using module 'subprocess' with timeout

Here's the Python code to run an arbitrary command returning its stdout data, or raise an exception on non-zero exit codes: ...
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Generate random numbers following a normal distribution in C/C++

How can I easily generate random numbers following a normal distribution in C or C++? 18 Answers ...
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]

Tools such as MRTG provide network throughput / bandwidth graphs for the current network utilisation on specific interfaces, such as eth0. How can I return that information at the command line on Linux/UNIX? ...
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How do I convert from stringstream to string in C++?

How do I convert from std::stringstream to std::string in C++? 4 Answers 4 ...