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More elegant way of declaring multiple variables at the same time
...t least accepting of this idiom, but I suspect that some may consider it Unpythonic. </disclaimer>
Yet another approach, which is likely the most intuitive if you will be using this pattern frequently, is to define your data as a list of flag values (True, False) mapped to flag names (sing...
DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
I've been usually installed python packages through pip.
8 Answers
8
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Python creating a dictionary of lists
...r and more modern choice. setdefault is still useful in older versions of Python (prior to 2.5).
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What are Runtime.getRuntime().totalMemory() and freeMemory()?
.../www.oracle.com/technetwork/java/javase/memorymanagement-whitepaper-150215.pdf">
* Memory Management in the Sun Java HotSpot™ Virtual Machine</a>
* @see <a href="http://docs.oracle.com/javase/8/docs/technotes/tools/windows/java.html">
* Full VM options reference for Windo...
GOTO still considered harmful? [closed]
...to statement considered harmful (also here .html transcript and here .pdf) and there has been a formidable push since that time to eschew the goto statement whenever possible. While it's possible to use goto to produce unmaintainable, sprawling code, it nevertheless remains in modern programmi...
What do (lambda) function closures capture?
Recently I started playing around with Python and I came around something peculiar in the way closures work. Consider the following code:
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Resetting generator object in Python
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Look at implmentation(docs.python.org/library/itertools.html#itertools.tee) - this uses lazy load strategy, so items to list copied only on demand
– Dewfy
Aug 13 '09 at 13:23
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Running bash script from within python
...leep.sh has execution permissions, and run it with shell=True:
#!/usr/bin/python
import subprocess
print "start"
subprocess.call("./sleep.sh", shell=True)
print "end"
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How to find the installed pandas version
...ersions(as_json=False)
INSTALLED VERSIONS
------------------
commit: None
python: 2.7.6.final.0
python-bits: 64
OS: Linux
OS-release: 3.13.0-45-generic
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
pandas: 0.15.2-113-g5531341
nose: 1.3.1
Cython: 0.21.1
numpy: 1...
Implementing slicing in __getitem__
...ing builtins types like list or tuple you must implements __getslice__ for python 2.X versions. see docs.python.org/2/reference/datamodel.html#object.__getslice__
– gregorySalvan
Aug 28 '14 at 5:17
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