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Converting datetime.date to UTC timestamp in Python
...res timezone information even for offset-aware datetime (tested for Python 2.7).
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How can I get the external SD card path for Android 4.0+?
...unt")
.redirectErrorStream(true).start();
process.waitFor();
final InputStream is = process.getInputStream();
final byte[] buffer = new byte[1024];
while (is.read(buffer) != -1) {
s = s + new String(buffer);
}
is.close();
...
URL query parameters to dict python
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For python 2.7
In [14]: url = "http://www.example.org/default.html?ct=32&op=92&item=98"
In [15]: from urlparse import urlparse, parse_qsl
In [16]: parse_url = urlparse(url)
In [17]: query_dict = dict(parse_qsl(parse_url.quer...
How to validate IP address in Python? [duplicate]
...g/ipaddress
The backport from phihag is available e.g. in Anaconda Python 2.7 & is included in Installer. s.a. https://docs.continuum.io/anaconda/pkg-docs
To install with pip:
pip install ipaddress
s.a.: ipaddress 1.0.17, "IPv4/IPv6 manipulation library", "Port of the 3.3+ ipaddress module"...
When to use thread pool in C#? [closed]
...onsiderations, I use thread pools for database access, physics/simulation, AI(games), and for scripted tasks ran on virtual machines that process lots of user defined tasks.
Normally a pool consists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you ...
Matplotlib: “Unknown projection '3d'” error
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I have this error for python 2.7, matplotlib.__version__ '2.2.3' ..... BECAUSE I was not using from mpl_toolkits.mplot3d import Axes3D... :)
– ntg
Jan 7 '19 at 16:49
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Iterating through directories with Python
...approach to handling filesystem paths (Pathlib is also available on Python 2.7 via the pathlib2 module on PyPi):
from pathlib import Path
rootdir = Path('C:/Users/sid/Desktop/test')
# Return a list of regular files only, not directories
file_list = [f for f in rootdir.glob('**/*') if f.is_file()]
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How to decide font color in white or black depending on background color?
...present a value in hexadecimal (base-16) notation. I won't get into the details of the conversion here, they're easy to look up.
Once you have the intensities for the individual colors, you can determine the overall intensity of the color and choose the corresponding text.
if (red*0.299 + green*0....
How can I safely create a nested directory?
...a default value of False. This argument does not exist in Python 2.x up to 2.7. As such, there is no need for manual exception handling as with Python 2.7.
Python 2.7+:
Using pathlib:
If you can, install the current pathlib backport named pathlib2. Do not install the older unmaintained backport n...
Python: Why is functools.partial necessary?
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In the latest versions of Python (>=2.7), you can pickle a partial, but not a lambda:
>>> pickle.dumps(partial(int))
'cfunctools\npartial\np0\n(c__builtin__\nint\np1\ntp2\nRp3\n(g1\n(tNNtp4\nb.'
>>> pickle.dumps(lambda x: int(x))
Traceback (m...