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HTTP requests and JSON parsing in Python
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The requests Python module takes care of both retrieving JSON data and decoding it, due to its builtin JSON decoder. Here is an example taken from the module's documentation:
>>> import requests
>>> r = requests.get('ht...
ACE vs Boost vs POCO [closed]
...lso a very good library.
Includes functionality that is not in Boost, like XML and database interface to name a few.
It is more integrated as one library than Boost.
It has clean, modern and understandable C++ code. I find it far easier to understand than most of the Boost libraries (but I am not a...
Random string generation with upper case letters and digits
...ercase + string.digits) for _ in range(N))
or even shorter starting with Python 3.6 using random.choices():
''.join(random.choices(string.ascii_uppercase + string.digits, k=N))
A cryptographically more secure version; see https://stackoverflow.com/a/23728630/2213647:
''.join(random.SystemRando...
What are the differences between the threading and multiprocessing modules?
...m learning how to use the threading and the multiprocessing modules in Python to run certain operations in parallel and speed up my code.
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How can I read a function's signature including default argument values?
...s=('blah',))
However, note that inspect.getargspec() is deprecated since Python 3.0.
Python 3.0--3.4 recommends inspect.getfullargspec().
Python 3.5+ recommends inspect.signature().
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impr...
Flatten an irregular list of lists
... your example a little easier to read and probably boost the performance.
Python 2
def flatten(l):
for el in l:
if isinstance(el, collections.Iterable) and not isinstance(el, basestring):
for sub in flatten(el):
yield sub
else:
yield el
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Conditional Replace Pandas
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yield error: /opt/anaconda3/envs/python35/lib/python3.5/site-packages/ipykernel_launcher.py:1: SettingWithCopyWarning: A value is trying to be set on a copy of a slice from a DataFrame See the caveats in the documentation: pandas.pydata.org/pandas-docs/sta...
How do I check if I'm running on Windows in Python? [duplicate]
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Python os module
Specifically for Python 3.6/3.7:
os.name: The name of the operating
system dependent module imported. The
following names have currently been
registered: 'posix', 'nt', 'java'.
In your case, you ...
How to resize an image with OpenCV2.0 and Python2.6
I want to use OpenCV2.0 and Python2.6 to show resized images. I used and adopted this example but unfortunately, this code is for OpenCV2.1 and does not seem to be working on 2.0. Here my code:
...
Difference between modes a, a+, w, w+, and r+ in built-in open function?
In the python built-in open function, what is the exact difference between the modes w , a , w+ , a+ , and r+ ?
6 An...