python Programming Glossary: array.array

http://stackoverflow.com/questions/1115313/cost-of-len-function

http://stackoverflow.com/questions/120584/svg-rendering-in-a-pygame-application

cairo import pygame import rsvg WIDTH 512 HEIGHT 512 data array.array 'c' chr 0 WIDTH HEIGHT 4 surface cairo.ImageSurface.create_for_data..

In-memory size of python stucture

http://stackoverflow.com/questions/1331471/in-memory-size-of-python-stucture

int float reference str unicode string tuple list dict set array.array numpy.array deque new style classes object old style classes..

Python List vs. Array - when to use?

http://stackoverflow.com/questions/176011/python-list-vs-array-when-to-use

to go. But they use a lot more space than C arrays . The array.array type on the other hand is just a thin wrapper on C arrays. It.. multi dimensional arrays. To make a long story short array.array is useful when you need a homogeneous C array of data for reasons..

How to create an integer array in Python?

http://stackoverflow.com/questions/1859864/how-to-create-an-integer-array-in-python

up too much memory you can use efficient array of integers array.array 'i' See here If you need to initialize it a array.array 'i'..

Alternatives to keeping large lists in memory (python)

http://stackoverflow.com/questions/1989251/alternatives-to-keeping-large-lists-in-memory-python

for binary R W backing the rest of the structure on disk. array.array has very fast fromfile and tofile methods to facilitate the.. def __init__ self self.f open 'afile.dat' 'w ' self.a array.array 'L' def append self n self.a.append n if len self.a MAXINMEM..

Python memory usage? loading large dictionaries in memory

http://stackoverflow.com/questions/2211965/python-memory-usage-loading-large-dictionaries-in-memory

a further saving of about 118MB when N is 6.5 million. Use array.array 'l' instead of list for the integer value We can store those.. integer value We can store those 7 digit integers in an array.array 'l' . No int objects and no pointers to them just a 4 byte signed..

Python tips for memory optimization

http://stackoverflow.com/questions/3021264/python-tips-for-memory-optimization

per key value pair on a 32 bit system. At the same time an array.array 'i' uses only 8 bytes per a pair of ints and with a little bit..

What is the fastest way to initialize an integer array in python?

http://stackoverflow.com/questions/3214288/what-is-the-fastest-way-to-initialize-an-integer-array-in-python

question Is this what you're after # slower. twosArr array.array 'i' 2 1000000 # faster. twosArr array.array 'i' 2 1000000 You.. twosArr array.array 'i' 2 1000000 # faster. twosArr array.array 'i' 2 1000000 You can get just a list with this twosList 2 1000000..

Python, Sqlite3 - How to convert a list to a BLOB cell

http://stackoverflow.com/questions/537077/python-sqlite3-how-to-convert-a-list-to-a-blob-cell

sequence of 8 bit unsigned values use the array module. a array.array 'B' data a.tostring ' x00 x01 x02 x03 x04 x05' Use different..

hexadecimal string to byte array in python

http://stackoverflow.com/questions/5649407/hexadecimal-string-to-byte-array-in-python

xde xad xbe xef Convert it to a byte array import array array.array 'B' hex_data array.array 'B' 0xDE 0xAD 0xBE 0xEF Convert it.. it to a byte array import array array.array 'B' hex_data array.array 'B' 0xDE 0xAD 0xBE 0xEF Convert it to a list of byte values..

How to output list of floats to a binary file in Python

http://stackoverflow.com/questions/807863/how-to-output-list-of-floats-to-a-binary-file-in-python

array 'd' float_array.fromstring input_file.read array.array objects also have a .fromfile method which can be used for reading..