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Best practice for Python assert
...g them. This is more an example of properties in and of themselves: docs.python.org/library/functions.html#property
– Jason Baker
Jun 3 '09 at 13:43
3
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read subprocess stdout line by line
My python script uses subprocess to call a linux utility that is very noisy. I want to store all of the output to a log file and show some of it to the user. I thought the following would work, but the output doesn't show up in my application until the utility has produced a significant amount of ...
Counting the number of True Booleans in a Python List
...th the constant True, a simple sum is fine. However, keep in mind that in Python other values evaluate as True as well. A more robust solution would be to use the bool builtin:
>>> l = [1, 2, True, False]
>>> sum(bool(x) for x in l)
3
UPDATE: Here's another similarly robust so...
Properties file in python (similar to Java Properties)
...avaproperties hasn't been maintained since 2010. It is not compatible with python 3. I would use the solutions linked to by @pi.
– codyzu
Sep 2 '15 at 11:47
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Determine if the device is a smartphone or tablet? [duplicate]
... set a boolean value in a specific value file (as res/values-sw600dp/attrs.xml):
<resources>
<bool name="isTablet">true</bool>
</resources>
Because the sw600dp qualifier is only valid for platforms above android 3.2. If you want to make sure this technique works on all...
Convert int to ASCII and back in Python
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ASCII to int:
ord('a')
gives 97
And back to a string:
in Python2: str(unichr(97))
in Python3: chr(97)
gives 'a'
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
...ng variable, but for reasons unknown (likely consistency in this context), Python treats it as an assignment). The Python interpreter sees this at module load time and decides (correctly so) that the global scope's Var1 should not be used inside the local scope, which leads to a problem when you try...
Are single quotes allowed in HTML?
...le quotes are not allowed for attribute values, that belief is wrong.
The XML standard permits both single and double quotes around attribute values.
The XHTML standard doesn't say anything to change this, but a related section which states that attribute values must be quoted uses double quotes i...
Chain-calling parent initialisers in python [duplicate]
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The way you are doing it is indeed the recommended one (for Python 2.x).
The issue of whether the class is passed explicitly to super is a matter of style rather than functionality. Passing the class to super fits in with Python's philosophy of "explicit is better than implicit".
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How to print without newline or space?
I'd like to do it in python . What I'd like to do in this example in c :
22 Answers
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