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Execution time of C program
...ixture of large/small/negative number over the same piece of code. GCC 4.7 Linux 3.2 AMD64
– user972946
Jun 2 '13 at 1:40
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How to send POST request?
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If you really want to handle with HTTP using Python, I highly recommend Requests: HTTP for Humans. The POST quickstart adapted to your question is:
>>> import requests
>>> r = requests.post("http://bugs.python.org", data={'number': 12524, 'type': 'iss...
Convert JSON string to dict using Python
I'm a little bit confused with JSON in Python.
To me, it seems like a dictionary, and for that reason
I'm trying to do that:
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Hadoop “Unable to load native-hadoop library for your platform” warning
...compile source code are included here for Ubuntu:
http://www.ercoppa.org/Linux-Compile-Hadoop-220-fix-Unable-to-load-native-hadoop-library.htm
Good luck.
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How to run code when a class is subclassed? [duplicate]
...etaclass.
A metaclass is to its class as a class is to its instance.
In Python2 you would define the metaclass of a class with
class SuperClass:
__metaclass__ = Watcher
where Watcher is a subclass of type.
In Python3 the syntax has been changed to
class SuperClass(metaclass=Watcher)
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Multiline strings in JSON
...ke to have some really long string values split over multiple lines. Using python's JSON module I get a whole lot of errors, whether I use \ or \n as an escape.
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Generate a random letter in Python
Is there a way to generate random letters in Python (like random.randint but for letters)? The range functionality of random.randint would be nice but having a generator that just outputs a random letter would be better than nothing.
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Python None comparison: should I use “is” or ==?
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@BallpointBen I think the key point is that Python possesses a strong concept of object identity. If you want to check whether an object compares equal to None, by all means use obj == None. If you want to check whether an object is None, use obj is None. The point of ...
How do I use valgrind to find memory leaks?
...n even be used for other
languages when configured properly (see this for Python).
To run Valgrind, pass the executable as an argument (along with any
parameters to the program).
valgrind --leak-check=full \
--show-leak-kinds=all \
--track-origins=yes \
--verbose \
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What does the Ellipsis object do?
...le make up the full number of dimensions in the array).
Interestingly, in python3, the Ellipsis literal (...) is usable outside the slice syntax, so you can actually write:
>>> ...
Ellipsis
Other than the various numeric types, no, I don't think it's used. As far as I'm aware, it was ...