python Programming Glossary: iterator

http://stackoverflow.com/questions/1011431/common-pitfalls-in-python

use range in place of lists because range will become an iterator anyway the following will fail myIndexList 0 1 3 isListSorted..

Iterating through a range of dates in Python

http://stackoverflow.com/questions/1060279/iterating-through-a-range-of-dates-in-python

After all a linear sequence should only require one iterator not two. Update after discussion with John Machin Maybe the..

Remove items from a list while iterating in Python

http://stackoverflow.com/questions/1207406/remove-items-from-a-list-while-iterating-in-python

suggestion that uses itertools . However there is no non iterator filterfalse so it will have to be. from itertools import ifilterfalse..

Modifying list while iterating

http://stackoverflow.com/questions/1637807/modifying-list-while-iterating

skip an item while looping. Please explain. python list iterator loops share improve this question I've been bitten before..

Build a Basic Python Iterator

http://stackoverflow.com/questions/19151/build-a-basic-python-iterator

Iterator How would one create an iterative function or iterator object in python python object iterator share improve this.. function or iterator object in python python object iterator share improve this question Iterator objects in python conform.. this question Iterator objects in python conform to the iterator protocol which basically means they provide two methods __iter__..

Flatten (an irregular) list of lists in Python

http://stackoverflow.com/questions/2158395/flatten-an-irregular-list-of-lists-in-python

desired output is 1 2 3 4 5 6 Or perhaps even better an iterator. The only solution I saw that works for an arbitrary nesting..

How does zip(*[iter(s)]*n) work in Python?

http://stackoverflow.com/questions/2233204/how-does-zipitersn-work-in-python

it's the same iter when zip calls next on each of the 3 iterators it really calls next on the same iterator thus forwarding the.. each of the 3 iterators it really calls next on the same iterator thus forwarding the iterator one at a time and giving a sequential.. really calls next on the same iterator thus forwarding the iterator one at a time and giving a sequential list of groupings. python..

What do (lambda) function closures capture in Python?

http://stackoverflow.com/questions/2295290/what-do-lambda-function-closures-capture-in-python

The functions are constructed in for loop where the iterator i runs from 0 to 3. For each of these number a lambda funciton..

The Python yield keyword explained

http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained

source http well adjusted.de ~jrschulz mspace . python iterator generator yield share improve this question To understand.. when you have a lot of values. Generators Generators are iterators but you can only iterate over them once . It's because they.. implying iterables implementing the __iter__ method and iterators implementing the __next__ method . Iterables are any objects..

read subprocess stdout line by line

http://stackoverflow.com/questions/2804543/read-subprocess-stdout-line-by-line

Note according to the documentation the solution with an iterator should be equivalent to using readline except for the read ahead..

How to write the Fibonacci Sequence in Python

http://stackoverflow.com/questions/494594/how-to-write-the-fibonacci-sequence-in-python

the sequence 0 1 1 2 3 5 8 etc. If your language supports iterators you may do something like def F a b 0 1 yield a yield b while.. cur print cur n 1 cur f n In python I'd use the iterator form and go for def SubFib startNumber endNumber for cur in..

Rolling or sliding window iterator in Python

http://stackoverflow.com/questions/6822725/rolling-or-sliding-window-iterator-in-python

or sliding window iterator in Python I need a rolling window aka sliding window iterable.. rolling window aka sliding window iterable over a sequence iterator generator. Default Python iteration can be considered a special..

join list of lists in python

http://stackoverflow.com/questions/716477/join-list-of-lists-in-python

syntax for joining a list of lists into a single list or iterator in python For example I have a list as follows and I want to..

Remove elements as you traverse a list in Python

http://stackoverflow.com/questions/1352885/remove-elements-as-you-traverse-a-list-in-python

traverse a list in Python In Java I can do by using an Iterator and then using the .remove method of the iterator to remove.. ArrayList String Arrays.asList red green blue purple for Iterator String it colors.iterator it.hasNext String color it.next .. here . And there doesn't seem to be an equivalent of the Iterator interface of Java. python list loops iterator python datamodel..

PyLint, PyChecker or PyFlakes? [closed]

http://stackoverflow.com/questions/1428872/pylint-pychecker-or-pyflakes

stdout sys.stdout BAILOUT 16 MAX_ITERATIONS 1000 class Iterator object def __init__ self print 'Rendering...' for y in xrange.. temp ci if zi2 zr2 BAILOUT return i return 0 t time.time Iterator print ' nPython Elapsed .02f' time.time t As a result PyChecker.. Invalid name stdout should match A Z_ A Z0 9_ __. __ C 10 Iterator Missing docstring C 15 Iterator.__init__ Invalid name y should..

Python generators in various languages [closed]

http://stackoverflow.com/questions/1451304/python-generators-in-various-languages

in C that simulates generators using fibers Yield Return Iterator for Native C Using Fibers The yield return iterator is a language..

Build a Basic Python Iterator

http://stackoverflow.com/questions/19151/build-a-basic-python-iterator

a Basic Python Iterator How would one create an iterative function or iterator object.. python object iterator share improve this question Iterator objects in python conform to the iterator protocol which basically.. similar to the class Counter. David Mertz's article Iterators and Simple Generators is a pretty good introduction. share..

Scala equivalent to python generators?

http://stackoverflow.com/questions/2137619/scala-equivalent-to-python-generators

to easily change a few statements and have it work as an Iterator this is not Scala def yieldClass clazz Class _ Iterator Class.. an Iterator this is not Scala def yieldClass clazz Class _ Iterator Class _ clazz match case null case _ sudoYield clazz for c yieldClass.. # Stream.empty The result can be converted into an Iterator simply by calling .iterator on the resulting Stream def classIterator..

Is there a way to efficiently yield every file in a directory containing millions of files?

http://stackoverflow.com/questions/5090418/is-there-a-way-to-efficiently-yield-every-file-in-a-directory-containing-million

state. Using S.Lotts example filea.txt fileb.txt filec.txt Iterator yields filea.txt . During processing filea.txt is renamed to..

preferred way to implement 'yield' in Scala?

http://stackoverflow.com/questions/7303166/preferred-way-to-implement-yield-in-scala

here You want to write yield a yield b Instead you write Iterator a b You want to write yield a complex set of yields in here.. yield a complex set of yields in here Instead you write Iterator a produce complex iterator here That's it All your cases can.. something like Source.fromFile file .getLines .flatMap x Iterator something .r.split x .iterator.flatMap field if field contains..