python Programming Glossary: slicing
What is different between all these OpenCV Python interfaces? http://stackoverflow.com/questions/10417108/what-is-different-between-all-these-opencv-python-interfaces the pixel value at i j position. Also for imageROI array slicing can be used like ROI array c1 c2 r1 r2 . No need of separate..
How do you use the ellipsis slicing syntax in Python? http://stackoverflow.com/questions/118370/how-do-you-use-the-ellipsis-slicing-syntax-in-python do you use the ellipsis slicing syntax in Python This came up in Hidden features of Python.. that explain how the feature works. python numpy subclass slicing ellipsis share improve this question You'd use it in your..
Python: tf-idf-cosine: to find document similarity http://stackoverflow.com/questions/12118720/python-tf-idf-cosine-to-find-document-similarity documents we can use argsort and some negative array slicing most related documents have highest cosine similarity values..
Iteration over list slices http://stackoverflow.com/questions/1335392/iteration-over-list-slices to iterate over a list in chunks python loops iteration slicing share improve this question Answer to the last part of the..
sparse assignment list in python http://stackoverflow.com/questions/1857780/sparse-assignment-list-in-python 1 I imagine you'll want more to support negative indices slicing and whatever else but this is all your examples are implicitly..
Converting string to datetime object in python http://stackoverflow.com/questions/2609259/converting-string-to-datetime-object-in-python I would prefer to convert exactly that without changing or slicing that string in any way. python datetime share improve this..
Speed up bitstring/bit operations in Python? http://stackoverflow.com/questions/2897297/speed-up-bitstring-bit-operations-in-python start Edit #3 I've updated gmpy2 to properly support slicing at the bit level of an xmpz. No change in performance but a..
Python: Implementing slicing in __getitem__ http://stackoverflow.com/questions/2936863/python-implementing-slicing-in-getitem Implementing slicing in __getitem__ I am trying to implement slice functionality.. define the getitem class to handle both plain indexes and slicing. def __getitem__ self start stop step indx start if stop None.. stride step return self.__data indx end stride python slicing python datamodel share improve this question The __getitem__..
View onto a numpy array? http://stackoverflow.com/questions/4370745/view-onto-a-numpy-array a view though so don't be afraid to use all kinds of slicing tricks on large arrays. x.astype dtype will return a copy of..
Pairs from single list http://stackoverflow.com/questions/4628290/pairs-from-single-list that the implementation of lists list indexing and list slicing in Python is very efficient. It's a result both comforting and..
Generator Expressions vs. List Comprehension http://stackoverflow.com/questions/47789/generator-expressions-vs-list-comprehension print gen 2 # generators don't support indexing or slicing print 5 6 gen # generators can't be added to lists Basically..
Efficient way of parsing fixed width files in Python http://stackoverflow.com/questions/4914008/efficient-way-of-parsing-fixed-width-files-in-python to parse a line into several components I could use string slicing per line but it's a little bit ugly if the line is big ... any..
Is there a way to substring a string in Python? http://stackoverflow.com/questions/663171/is-there-a-way-to-substring-a-string-in-python Worl' x 2 'd ' x 2 2 'llo Worl' Python calls this concept slicing and it works on more than just strings. Take a look here for..
What does the Python Ellipsis object do? http://stackoverflow.com/questions/772124/what-does-the-python-ellipsis-object-do I found that it is used in some obscure variant of the slicing syntax by Numpy and Scipy... but almost nothing else. Was this.. array type. Since there are more than one dimensions slicing becomes more complex than just a start and stop index it is..
Concatenate Numpy arrays without copying http://stackoverflow.com/questions/7869095/concatenate-numpy-arrays-without-copying
Numpy: Should I use newaxis or None? http://stackoverflow.com/questions/944863/numpy-should-i-use-newaxis-or-none or None In numpy one can use the 'newaxis' object in the slicing syntax to create an axis of length one e.g. import numpy as..
Why doesn't Python throw an error for this? http://stackoverflow.com/questions/17250409/why-doesnt-python-throw-an-error-for-this matlab python 2.7 scilab share improve this question Slicing never raise error in python for out of bound indexes.. s 1 2..
Slicing a list into a list of sub-lists http://stackoverflow.com/questions/2231663/slicing-a-list-into-a-list-of-sub-lists a list into a list of sub lists What is the simplest and reasonably..
Slicing URL with Python http://stackoverflow.com/questions/258746/slicing-url-with-python URL with Python I am working with a huge list of URL's you..
Python: Slicing a list into n nearly-equal-length partitions http://stackoverflow.com/questions/2659900/python-slicing-a-list-into-n-nearly-equal-length-partitions Slicing a list into n nearly equal length partitions I'm looking for..
Slicing of a numpy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m) http://stackoverflow.com/questions/4257394/slicing-of-a-numpy-2d-array-or-how-do-i-extract-an-mxm-submatrix-from-an-nxn-ar of a numpy 2d array or how do I extract an mxm submatrix from..
Slicing a dictionary by keys that start with a certain string http://stackoverflow.com/questions/4558983/slicing-a-dictionary-by-keys-that-start-with-a-certain-string a dictionary by keys that start with a certain string This..
Advice for C# programmer writing Python [closed] http://stackoverflow.com/questions/683273/advice-for-c-sharp-programmer-writing-python about s subject post place stackoverflow about python Slicing an iterable You can get any part of an iterable using a very..
python when to use copy.copy http://stackoverflow.com/questions/7046971/python-when-to-use-copy-copy to the original list 1 2 a 1 id b 79367984 id a 80533904 Slicing a list whenever you use a makes a copy. share improve this..
Why substring slicing index out of range works in Python? http://stackoverflow.com/questions/9490058/why-substring-slicing-index-out-of-range-works-in-python question You've basically answered your own question. Slicing outside the bounds of a sequence at least for built ins doesn't..
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