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python Programming Glossary: internallyWeird closure behavior in python http://stackoverflow.com/questions/11109838/weird-closure-behavior-in-python list will contain last value of i . But how this works internally AFAIK python variables are simply reference to objects so first..
Why (0-6) is -6 = False? [duplicate] http://stackoverflow.com/questions/11476190/why-0-6-is-6-false 0 6 is 6 is always true even if they are different objects internally it also allows you to configure whether to enable this integer..
When and how to use the builtin function property() in python http://stackoverflow.com/questions/1554546/when-and-how-to-use-the-builtin-function-property-in-python logical interface to the outside world and implementing it internally as best it can. Getters and setters exactly like properties..
http://stackoverflow.com/questions/1650591/whether-to-use-set-names x whereas SET character_set_connection x internally also executes SET collation_connection default_collation_of_character_set_x..
How does Python manage int and long? http://stackoverflow.com/questions/2104884/how-does-python-manage-int-and-long manage int and long Does anybody know how Python manage internally int and long types Does it choose the right type dynamically..
Python analog of natsort function (sort a list using a “natural order” algorithm) http://stackoverflow.com/questions/2545532/python-analog-of-natsort-function-sort-a-list-using-a-natural-order-algorithm try return int s except return s def natsort_key s Used internally to get a tuple by which s is sorted. import re return map try_int..
Python: Once and for all. What does the Star operator mean in Python? [duplicate] http://stackoverflow.com/questions/2921847/python-once-and-for-all-what-does-the-star-operator-mean-in-python Python such as in code like zip x or f k How does it work internally in the interpretor Is it fast or not When is it useful and when..
Python “is” operator behaves unexpectedly with integers http://stackoverflow.com/questions/306313/python-is-operator-behaves-unexpectedly-with-integers 100. Based on the above I can hypothesise that Python is internally implemented such that small integers are stored in a different..
How is CPython's set() implemented? http://stackoverflow.com/questions/3949310/how-is-cpythons-set-implemented have O 1 membership checking. How are they implemented internally to allow this What sort of data structure does it use What other..
In what order does python display dictionary keys? http://stackoverflow.com/questions/4458169/in-what-order-does-python-display-dictionary-keys this question The order has to do with how they work internally and what order they end up in in the hashtable. That in turn..
Is it worth using Python's re.compile? http://stackoverflow.com/questions/452104/is-it-worth-using-pythons-re-compile at the actual Python 2.5 library code I see that Python internally compiles AND CACHES regexes whenever you use them anyway including..
What is the __dict__.__dict__ attribute of a Python class? http://stackoverflow.com/questions/4877290/what-is-the-dict-dict-attribute-of-a-python-class object that pretends to be a dictionary but might not be internally and doesn't allow you to change it or replace it with another.. the attributes of the instances __weakref__ which is used internally by weakref and the docstring of the class. The first two might..
Setting the correct encoding when piping stdout in python http://stackoverflow.com/questions/492483/setting-the-correct-encoding-when-piping-stdout-in-python encode it yourself. A rule of thumb is Always use unicode internally. decode what you receive encode what you send. # coding utf.. receive line line.decode 'iso8859 1' # work with unicode internally line line.upper # encode what you send line line.encode 'utf..
Accessing dict keys like an attribute in Python? http://stackoverflow.com/questions/4984647/accessing-dict-keys-like-an-attribute-in-python A short explanation on how this works All python objects internally store their attributes in a dictionary that is named __dict__..
Handling very large numbers in Python http://stackoverflow.com/questions/538551/handling-very-large-numbers-in-python would take considerably more than 32 bits to represent internally. Is there a way to store such large numbers in Python that will..
python: importing from builtin library when module with same name exists http://stackoverflow.com/questions/6031584/python-importing-from-builtin-library-when-module-with-same-name-exists to differentiate it from local # This name is only used internally for identifying the module. We decide # the name in the local..
int((0.1+0.7)*10) = 7 in several languages. How to prevent this? http://stackoverflow.com/questions/6439140/int0-10-710-7-in-several-languages-how-to-prevent-this any sense to me why 7 after typecast if it's represented internally as 8 debug_zval_dump 0.1 0.7 10 double 8 refcount 1 debug_zval_dump..
subclasses of pandas' object work differently from subclass of other object? http://stackoverflow.com/questions/11979194/subclasses-of-pandas-object-work-differently-from-subclass-of-other-object Will return a Series object instead of your subclass. Internally the data is stored in contiguous arrays and optimized for speed...
Importing modules: __main__ vs import as module http://stackoverflow.com/questions/13181559/importing-modules-main-vs-import-as-module a file has been imported as a module or was run directly. Internally modules are given a namespace dictionary which is stored as..
Java Equivalent to Python Dictionaries http://stackoverflow.com/questions/1540673/java-equivalent-to-python-dictionaries the Python documentation informally calls mapping types . Internally dict is implemented using a hashtable. Java's HashMap class.. HashMap class is an implementation of the Map interface. Internally HashMap is implemented using a hashtable. There are a few minor..
http://stackoverflow.com/questions/1892356/pausing-a-process-in-windows p psutil.Process pid p.suspend ...to resume it p.resume Internally this is implemented in C by using SuspendThread and ResumeThread..
http://stackoverflow.com/questions/2125076/unit-conversion-in-python overflow in commonly used molecular force calculations. Internally all unit systems are equally fundamental in SimTK. I wanted..
CPython - Internally, what is stored on the stack and heap? http://stackoverflow.com/questions/2353552/cpython-internally-what-is-stored-on-the-stack-and-heap Internally what is stored on the stack and heap In C# Value Types eg int..
Hashtable/dictionary/map lookup with regular expressions http://stackoverflow.com/questions/260056/hashtable-dictionary-map-lookup-with-regular-expressions only support a fairly minimal notion of globbing however. Internally you can implement a larger family of regular languages than..
Why are Python Programs often slower than the Equivalent Program Written in C or C++? http://stackoverflow.com/questions/3033329/why-are-python-programs-often-slower-than-the-equivalent-program-written-in-c-or into extra costs fewer features and slower time to market. Internally the reason that Python code executes more slowly is because..
numpy float: 10x slower than builtin in arithmetic operations? http://stackoverflow.com/questions/5956783/numpy-float-10x-slower-than-builtin-in-arithmetic-operations the memory for float and int objects in blocks of size N. Internally CPython maintains a linked list of blocks each large enough..
http://stackoverflow.com/questions/7776938/python-insert-vs-append appends and thereby speed up the append furthermore. Internally lists are just chunks of memory with a constant size on the..
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