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Instance variables vs. class variables in Python

...r instance. If there would be more than one instance (which won't happen), all instance should have the same configuration. I wonder which of the following options would be better or more "idiomatic" Python. ...
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How to efficiently compare two unordered lists (not sets) in Python?

... For short lists, big-O analysis is usually irrelevant because the timings are dominated by constant factors. For the longer lists, I suspect something is wrong with your benchmarking. For 100 ints with 5 repeats each, I get: 127 usec for sorted and 42 for Count...
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Does order of where clauses matter in SQL?

Let's say I have a table called PEOPLE having 3 columns ID, LastName, FirstName , none of these columns are indexed. LastName is more unique, and FirstName is less unique. ...
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What is the easiest way to push an element to the beginning of the array?

...the top of the page could be better formatted, it is very difficult to visually scan as it is. I found it because I knew the method name I was looking for :) – mu is too short May 22 '11 at 6:45 ...
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Django admin: How to display a field that is marked as editable=False' in the model?

... +1. Especially if you don't plan to edit the field at all in Admin. – Manoj Govindan Oct 19 '10 at 16:05 ...
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What is the best way to remove accents (normalize) in a Python unicode string?

I have a Unicode string in Python, and I would like to remove all the accents (diacritics). 8 Answers ...
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Interfacing with structs and anonymous unions with c2hs

...You would have to do this patch for each version of the lib. struct monome_event { monome_t *monome; monome_event_type_t event_type; /* __extension__ for anonymous unions in gcc */ __extension__ union { struct me_grid { unsigned int x; unsigned int y...
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How to Remove ReadOnly Attribute on File Using PowerShell?

...e here? As for Keith's answer, he's using PSCX. Not everyone has those installed and that's not really a case of PowerShell v1 vs. v2. – Joey Apr 22 '11 at 9:28 add a comment ...
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How can I use if/else in a dictionary comprehension?

... @Marcin's answer covers it all, but just in case someone wants to see an actual example, I add two below: Let's say you have the following dictionary of sets d = {'key1': {'a', 'b', 'c'}, 'key2': {'foo', 'bar'}, 'key3': {'so', 'sad'}} and you want ...
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What is the maximum float in Python?

I think the maximum integer in python is available by calling sys.maxint . 3 Answers ...