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Python str vs unicode types
Working with Python 2.7, I'm wondering what real advantage there is in using the type unicode instead of str , as both of them seem to be able to hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
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UnicodeDecodeError when redirecting to file
...In fact, you can check what encoding the terminal expects:
% python
Python 2.7.6 (default, Nov 15 2013, 15:20:37)
[GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.2.79)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> print sys.st...
Running Bash commands in Python
...e all of the following.
subprocess.check_output() was introduced in Python 2.7 / 3.1. It is basically equivalent to subprocess.run(..., check=True, stdout=subprocess.PIPE).stdout
subprocess.check_call() was introduced in Python 2.5. It is basically equivalent to subprocess.run(..., check=True)
subp...
Cartesian product of x and y array points into single array of 2D points
.... dev. of 7 runs, 100 loops each)
cartesian_product_transpose:
7.76 ms ± 52.7 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
cartesian_product_recursive:
13 ms ± 209 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
cartesian_product_itertools:
422 ms ± 7.77 ms per loop (mean...
Get MIME type from filename extension
...emoved, so you should be extra cautious and add double checks and provide fail safe action for every step.
MimeMapping._mappingDictionary.AddMapping(string fileExtension, string mimeType)
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Why is it slower to iterate over a small string than a small list?
...7)) for _ in range(100000)]' '[x for x in iterable]'
100 loops, best of 3: 2.77 msec per loop
>>> python2 -m timeit -s 'import random; iterable = "".join(chr(random.randint(0, 127)) for _ in range(100000))' '[x for x in iterable]'
100 loops, best of 3: 2.32 msec per loop
>>> p...
What are metaclasses in Python?
...s the Python 3 syntax for metaclasses. See Python 3.6 Data model VS Python 2.7 Data model
– TBBle
Jun 13 '17 at 13:22
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What is a correct mime type for docx, pptx etc?
...show.macroEnabled.12
.mdb application/vnd.ms-access
For further details check out this TechNet article and this blog post.
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Python base64 data decode
...ny beginner programmer would know, you would print the results out:
Python 2.7x:
print code_string
Python 3.x:
print(code_string)
After the successful decoding, you will get a string about the size of the not yet decoded string. I hope this helps you!
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