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python Programming Glossary: sequenceCommon pitfalls in Python [duplicate] http://stackoverflow.com/questions/1011431/common-pitfalls-in-python improve this question Don't use index to loop over a sequence Don't for i in range len tab print tab i Do for elem in tab..
Iterating through a range of dates in Python http://stackoverflow.com/questions/1060279/iterating-through-a-range-of-dates-in-python the generator seems to be unnecessary. After all a linear sequence should only require one iterator not two. Update after discussion..
Should you always favor xrange() over range()? http://stackoverflow.com/questions/135041/should-you-always-favor-xrange-over-range be faster in some cases eg. if iterating over the same sequence multiple times. xrange has to reconstruct the integer object..
Python: create a dictionary with list comprehension http://stackoverflow.com/questions/1747817/python-create-a-dictionary-with-list-comprehension use the dict constructor d dict key value for key value in sequence In Python 2.7 or 3 you can just use the dict comprehension syntax..
In Python, how do I determine if an object is iterable? http://stackoverflow.com/questions/1952464/in-python-how-do-i-determine-if-an-object-is-iterable improve this question Checking for __iter__ works on sequence types but it would fail on e.g. strings. I would like to know..
What exactly do “u” and “r”string flags in Python, and what are raw string litterals? http://stackoverflow.com/questions/2081640/what-exactly-do-u-and-rstring-flags-in-python-and-what-are-raw-string-litte quote that would otherwise terminate the literal no escape sequences to represent newlines tabs backspaces form feeds and so on... doubled up to avoid being taken as the start of an escape sequence. This syntax variant exists mostly because the syntax of regular..
python random string generation with upper case letters and digits http://stackoverflow.com/questions/2257441/python-random-string-generation-with-upper-case-letters-and-digits How does it work We import string a module that contains sequences of common ASCII characters and random a module that deals with.. to create 'n' times a random character picked from a sequence of characters random.choice abcde 'a' random.choice abcde 'd'.. chars for x in range size really is creating a sequence of size characters. Characters that are randomly picked from..
http://stackoverflow.com/questions/2709821/python-self-explained
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 share improve this question The single star unpacks the sequence collection into positional arguments so you can do this def..
Python UnicodeDecodeError - Am I misunderstanding encode? http://stackoverflow.com/questions/368805/python-unicodedecodeerror-am-i-misunderstanding-encode string gets encoded to a Python 2.x string actually a sequence of bytes a Python 2.x string gets decoded to a Unicode string..
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python version of the data structure and don't need an indexable sequence consider itertools.chain and company . list_of_menuitems 'image00'..
Setting the correct encoding when piping stdout in python http://stackoverflow.com/questions/492483/setting-the-correct-encoding-when-piping-stdout-in-python in position 0 ordinal not in range 128 when used in a pipe sequence. What is the best way to make this work when piping Can I just..
Simple Prime Generator in Python http://stackoverflow.com/questions/567222/simple-prime-generator-in-python recipes 117119 def gen_primes Generate an infinite sequence of prime numbers. # Maps composites to primes witnessing their..
What's the difference between list and tuples in Python? http://stackoverflow.com/questions/626759/whats-the-difference-between-list-and-tuples-in-python have different meanings while lists are homogeneous sequences. Tuples have structure lists have order. Using this distinction.. Tuples are immutable and usually contain an heterogeneous sequence ... . In a statically typed language like Haskell the values..
Rolling or sliding window iterator in Python http://stackoverflow.com/questions/6822725/rolling-or-sliding-window-iterator-in-python I need a rolling window aka sliding window iterable over a sequence iterator generator. Default Python iteration can be considered..
Good Python modules for fuzzy string comparison? http://stackoverflow.com/questions/682367/good-python-modules-for-fuzzy-string-comparison median strings and generally string averaging string sequence and set similarity It supports both normal and Unicode strings...
Making a flat list out of list of lists in Python [duplicate] http://stackoverflow.com/questions/952914/making-a-flat-list-out-of-list-of-lists-in-python a shallow list in Python Comprehension for flattening a sequence of sequences I wonder whether there is a shortcut to make a.. list in Python Comprehension for flattening a sequence of sequences I wonder whether there is a shortcut to make a simple list..
Weighted random sample in python http://stackoverflow.com/questions/13047806/weighted-random-sample-in-python bisect import random from collections import Counter Sequence def weighted_sample population weights k return random.sample.. population weights k class WeightedPopulation Sequence def __init__ self population weights assert len population len..
Rules of thumb for when to use operator overloading in python http://stackoverflow.com/questions/1552260/rules-of-thumb-for-when-to-use-operator-overloading-in-python must override __hash__ a Sized must override __len__ a Sequence or a Mapping must override __getitem__ and so forth. Moreover.. can provide your class with mixin functionality e.g. both Sequence and Mapping can provide __contains__ on the basis of your supplied..
Porting invRegex.py to Javascript (Node.js) http://stackoverflow.com/questions/20815278/porting-invregex-py-to-javascript-node-js just two or more patterns in a row like foo abc . function Sequence iterators if arguments.length 0 this.iterators iterators.length.. 0 this.iterators iterators.length iterators new Literal '' Sequence.prototype.first function for var i in this.iterators this.iterators.. for var i in this.iterators this.iterators i .first Sequence.prototype.next function if this.ok var i this.iterators.length..
http://stackoverflow.com/questions/2241600/python-regex-r-prefix by Standard C. The recognized escape sequences are Escape Sequence Meaning Notes newline Ignored Backslash ' Single quote ' Double..
Why is '\x' invalid in Python? http://stackoverflow.com/questions/2704654/why-is-x-invalid-in-python codes and their meanings in the documentation . Escape Sequence Meaning Notes xhh Character with hex value hh 4 5 Notes 4...
Best Way To Determine if a Sequence is in another sequence in Python http://stackoverflow.com/questions/425604/best-way-to-determine-if-a-sequence-is-in-another-sequence-in-python Way To Determine if a Sequence is in another sequence in Python This is a generalization of.. of the element where the subsequence starts Example usage Sequence in Sequence seq_in_seq 5 6 4 'a' 3 5 6 3 seq_in_seq 5 7 4 'a'.. where the subsequence starts Example usage Sequence in Sequence seq_in_seq 5 6 4 'a' 3 5 6 3 seq_in_seq 5 7 4 'a' 3 5 6 1 #..
How to write the Fibonacci Sequence in Python http://stackoverflow.com/questions/494594/how-to-write-the-fibonacci-sequence-in-python to write the Fibonacci Sequence in Python I had originally coded the program wrongly. Instead.. write a program that will compute and display Fibonacci's Sequence by a user inputted start number and end number ie. startNumber.. There are lots of information about the Fibonacci Sequence on wikipedia and on wolfram . A lot more than you may need...
http://stackoverflow.com/questions/5292303/python-tuple-comparison item is considered then the third and so on. See doc Sequence types also support comparisons. In particular tuples and lists..
Best way to convert string to bytes in Python 3? http://stackoverflow.com/questions/7585435/best-way-to-convert-string-to-bytes-in-python-3 usual methods of mutable sequences described in Mutable Sequence Types as well as most methods that the bytes type has see Bytes..
Is it possible to get a list of keywords in Python? http://stackoverflow.com/questions/9642087/is-it-possible-to-get-a-list-of-keywords-in-python 'try' 'while' 'with' 'yield' From the keyword.kwlist doc Sequence containing all the keywords defined for the interpreter. If..
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