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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...lot about the PyPy project. They claim it is 6.3 times faster than the CPython interpreter on their site .
12 Answers
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python exception message capturing
...('File successfully uploaded to '+ FTPADDR)
except Exception, e: # work on python 2.x
logger.error('Failed to upload to ftp: '+ str(e))
in Python 3.x and modern versions of Python 2.x use except Exception as e instead of except Exception, e:
try:
with open(filepath,'rb') as f:
con...
Full Screen Theme for AppCompat
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Actually, it's enough to add this to the style xml file: <item name="android:windowFullscreen">true</item>. The action bar (title bar) visibility can be separately controlled using .hide/.show methods at runtime.
– Amin
M...
Firefox ignores option selected=“selected”
... shortest form, but I usually write code that also validates as wellformed XML, so that I can use any XML validation tool to check my results in a very strict way (and data exchange is very easy...)
According to W3C, these variants should be valid on boolean attributes:
HTML5: boolAttr="" | boolA...
What's the difference between a Python “property” and “attribute”?
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Properties are a special kind of attribute. Basically, when Python encounters the following code:
spam = SomeObject()
print(spam.eggs)
it looks up eggs in spam, and then examines eggs to see if it has a __get__, __set__, or __delete__ method — if it does, it's a property. If...
In Python, how does one catch warnings as if they were exceptions?
A third-party library (written in C) that I use in my python code is issuing warnings. I want to be able to use the try except syntax to properly handle these warnings. Is there a way to do this?
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Extracting extension from filename in Python
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Yes. Use os.path.splitext(see Python 2.X documentation or Python 3.X documentation):
>>> import os
>>> filename, file_extension = os.path.splitext('/path/to/somefile.ext')
>>> filename
'/path/to/somefile'
>>> file_exte...
Python idiom to return first item or None
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Python 2.6+
next(iter(your_list), None)
If your_list can be None:
next(iter(your_list or []), None)
Python 2.4
def get_first(iterable, default=None):
if iterable:
for item in iterable:
return it...
Python - 'ascii' codec can't decode byte
... you have invoked it on a string object (because you don't have the u). So python has to convert the string to a unicode object first. So it does the equivalent of
"你好".decode().encode('utf-8')
But the decode fails because the string isn't valid ascii. That's why you get a complaint about not...
Disable individual Python unit tests temporarily
...ual unit tests be temporarily disabled when using the unittest module in Python?
7 Answers
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