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python Programming Glossary: int32Is it possible to map a discontiuous data on disk to an array with python? http://stackoverflow.com/questions/16515465/is-it-possible-to-map-a-discontiuous-data-on-disk-to-an-array-with-python 'i' mode 'r ' order 'F' offset offset shape size3 for int32 byte_size 32 8 for int16 byte_size 16 8 and so forth... If the..
How to convert hex string 'o\xf2\x00\x00' into a int32? http://stackoverflow.com/questions/16604983/how-to-convert-hex-string-o-xf2-x00-x00-into-a-int32 to convert hex string 'o xf2 x00 x00' into a int32 all When I read first 4 bytes with python code len fobj.read.. len fobj.read 4 I got 'o xf2 x00 x00'. This should be an int32 and when I read the file with other tool matlab for example..
CPython memory allocation [closed] http://stackoverflow.com/questions/18522574/cpython-memory-allocation Python objects. For example a numpy array of 1000x1000 int32 values doesn't allocate 1 million Python int s so it doesn't..
Problem in calculating checksum : casting int to signed int32 http://stackoverflow.com/questions/2300740/problem-in-calculating-checksum-casting-int-to-signed-int32 in calculating checksum casting int to signed int32 I need to convert the following c code to calculate checksum.. or is there a python function that converts long to signed int32 Thanks int calcChecksum const guchar data gsize len const guchar.. all the help. Here's the function that worked for me def int32 x x 0xffffffff x if x 0x7fffffff return ~ x 1 0xffffffff else..
In-place type conversion of a NumPy array http://stackoverflow.com/questions/4389517/in-place-type-conversion-of-a-numpy-array type conversion of a NumPy array Given a NumPy array of int32 how do I convert it to float32 in place So basically I would.. for the computation of a . One of them returns an array of int32 the other returns an array of float32 and this is inherent to.. How about In 1 x np.arange 10 In 2 x.dtype Out 2 dtype 'int32' In 3 y x.view 'float32' In 4 y x In 5 y Out 5 array 0. 1. 2...
Storing multiple messages in one protocol buffer binary file http://stackoverflow.com/questions/5586323/storing-multiple-messages-in-one-protocol-buffer-binary-file there a way around this package foo message Box required int32 tl_x 1 required int32 tl_y 2 required int32 w 3 required int32.. package foo message Box required int32 tl_x 1 required int32 tl_y 2 required int32 w 3 required int32 h 4 message Boxes repeated.. Box required int32 tl_x 1 required int32 tl_y 2 required int32 w 3 required int32 h 4 message Boxes repeated Box boxes 1 c..
Python group by array a, and summarize array b - Performance http://stackoverflow.com/questions/7538382/python-group-by-array-a-and-summarize-array-b-performance ints 2 31 1 that is if a has values that can fit in dtype int32 then you could use np.bincount with weights import numpy as..
Python, reading a file with string and float with loadtxt http://stackoverflow.com/questions/8624217/python-reading-a-file-with-string-and-float-with-loadtxt like in this example recordtype dtype 'name' str_ 20 'age' int32 'weight' float32 people array 'Joaquin' 51 60.0 'Cat' 18 8.6..
Numpy error: invalid value encountered in power http://stackoverflow.com/questions/9140744/numpy-error-invalid-value-encountered-in-power 23552 15089 0 0 dtype int16 numpy.arange 10 dtype numpy.int32 10 array 0 1 1024 59049 1048576 9765625 60466176 282475249 1073741824.. 9765625 60466176 282475249 1073741824 2147483648 dtype int32 numpy.arange 10 dtype numpy.int64 10 array 0 1 1024 59049 1048576..
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