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python Programming Glossary: d.getPython metaclasses: Why isn't __setattr__ called for attributes set during class definition? http://stackoverflow.com/questions/10762088/python-metaclasses-why-isnt-setattr-called-for-attributes-set-during-class FooMeta d 'FOO' 123 def a self pass d 'a' a Foo d.get '__metaclass__' type 'Foo' object d Only without the namespace.. FooMeta d 'FOO' 123 def a self pass d 'a' a Foo d.get '__metaclass__' type 'Foo' object d Where the metaclass to invoke..
Check if a given key already exists in a dictionary http://stackoverflow.com/questions/1602934/check-if-a-given-key-already-exists-in-a-dictionary use dict.get d dict for i in xrange 100 key i 10 d key d.get key 0 1 ... and if you wanted to always ensure a default value..
Understanding performance difference http://stackoverflow.com/questions/17640235/understanding-performance-difference OrderedDict xs d dict xs def f1od_min return min od key od.get def f2od_min return min od.iteritems key itemgetter 1 0 def.. key itemgetter 1 0 def f1d_min return min d key d.get def f2d_min return min d.iteritems key itemgetter 1 0 def f1od..
Understanding .get() method in python http://stackoverflow.com/questions/2068349/understanding-get-method-in-python Python function where calling myget d k v is just like d.get k v might be def myget d k v None try return d k except KeyError..
How to properly subclass dict and override get/set http://stackoverflow.com/questions/2390827/how-to-properly-subclass-dict-and-override-get-set
http://stackoverflow.com/questions/2870466/python-histogram-one-liner use the reduce function R.I.P. reduce lambda d x dict d x d.get x 0 1 L # wrong Oops this does not work the key name is 'x'.. 'x' not x . I ended with reduce lambda d x dict d.items x d.get x 0 1 L In Python 3 we would have to write list d.items instead..
Update value of a nested dictionary of varying depth http://stackoverflow.com/questions/3232943/update-value-of-a-nested-dictionary-of-varying-depth u.iteritems if isinstance v collections.Mapping r update d.get k v d k r else d k u k return d The bug shows up when the update..
Python: get key with the least value from a dictionary http://stackoverflow.com/questions/3282823/python-get-key-with-the-least-value-from-a-dictionary minimum share improve this question Best min d key d.get no reason to interpose a useless lambda indirection layer or..
Why list doesn't have safe “get” method like dictionary? http://stackoverflow.com/questions/5125619/why-list-doesnt-have-safe-get-method-like-dictionary like dictionary d 'a' 'b' d 'a' 'b' d 'c' KeyError 'c' d.get 'c' 'fail' 'fail' l 1 l 10 IndexError list index out of range..
Custom dictionary lookup in Python http://stackoverflow.com/questions/5808970/custom-dictionary-lookup-in-python like this d 10 3 100 2 1000 1 I can type something like d.get 10 d.get 100 d.get 1000 3 2 1 Though I want that if the given.. d 10 3 100 2 1000 1 I can type something like d.get 10 d.get 100 d.get 1000 3 2 1 Though I want that if the given key is.. 100 2 1000 1 I can type something like d.get 10 d.get 100 d.get 1000 3 2 1 Though I want that if the given key is not found..
Python, default keyword arguments after variable length positional arguments http://stackoverflow.com/questions/5940180/python-default-keyword-arguments-after-variable-length-positional-arguments keyword arguments kwargs and manually parse it you can use d.get k default to either get d k or default if that's not there ...
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