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efficient circular buffer?
...1] #[10, 11, 3, 8] 3, 11
Class:
class circularlist(object):
def __init__(self, size, data = []):
"""Initialization"""
self.index = 0
self.size = size
self._data = list(data)[-size:]
def append(self, value):
"""Append an element"""
if le...
Python “raise from” usage
...
The difference is that when you use from, the __cause__ attribute is set and the message states that the exception was directly caused by. If you omit the from then no __cause__ is set, but the __context__ attribute may be set as well, and the traceback then shows the co...
Parsing Visual Studio Solution files
...gage in the meta discussions if you want to learn more about this. I personally find that it's a bit crazy sometimes. Please note that I had absolutely nothing to do with your edits getting shut down. The proper way though I think to add you edits is actually to repost everything as another answer. ...
How to get a reference to current module's attributes in Python
...he way I typically see this done is like this:
import sys
dir(sys.modules[__name__])
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Should import statements always be at the top of a module?
...t that's only paid once.
Putting the imports within a function will cause calls to that function to take longer.
So if you care about efficiency, put the imports at the top. Only move them into a function if your profiling shows that would help (you did profile to see where best to improve perform...
pandas three-way joining multiple dataframes on columns
...SV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person.
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Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”
...
You could try a solution posted here or here. Basically, add some lines to your ~/.bash_profile:
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
There is an outstanding bug report related to this issue. It appears that Python makes some assumptions about the format of l...
Get __name__ of calling function's module in Python
....stack()[1]
mod = inspect.getmodule(frm[0])
print '[%s] %s' % (mod.__name__, msg)
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python assert with and without parenthesis
...through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument.
Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentially called assert True when you wr...
How do I convert a Vector of bytes (u8) to a string
...("result: {}", s);
}
The conversion is in-place, and does not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available).
The library reference for the conversion function:
std::str::from_utf8
...