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Best way to assert for numpy.array equality?
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@RamonMartinez if you use Python's unittest you can use self.assertIsNone(np.testing.assert_array_equal(a, b)) as it returns None if the arrays are equal.
– mjkrause
Nov 11 '19 at 0:25
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Exploring Docker container's file system
...ere is no shell you can install it - for instance in dockerfile for alpine linux (which indeed doesn't have shell) by: RUN apk update && apk add bash (size: ~4MB)
– Kamil Kiełczewski
May 11 '17 at 18:55
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Remove all occurrences of a value from a list?
In Python remove() will remove the first occurrence of value in a list.
23 Answers
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Find the index of a dict within a list, by matching the dict's value
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IMHO this is not as readable or Pythonic is @Emile's answer. Because the intention is not really to create a generator (and using next() for this seems weird to me), the aim is just to get the index. Also, this raises StopIteration, whereas the Python lst.i...
How do I implement __getattribute__ without an infinite recursion error?
...ion of __getattribute__ you avoid the recursive hell you were in before.
Ipython output with code in foo.py:
In [1]: from foo import *
In [2]: d = D()
In [3]: d.test
Out[3]: 0.0
In [4]: d.test2
Out[4]: 21
Update:
There's something in the section titled More attribute access for new-style cla...
How to validate an email address using a regular expression?
...ex library used e.g. in PHP) can correctly parse RFC 5322 without a hitch. Python and C# can do that too, but they use a different syntax from those first two. However, if you are forced to use one of the many less powerful pattern-matching languages, then it’s best to use a real parser.
It's als...
Simple Digit Recognition OCR in OpenCV-Python
I am trying to implement a "Digit Recognition OCR" in OpenCV-Python (cv2). It is just for learning purposes. I would like to learn both KNearest and SVM features in OpenCV.
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What are some resources for getting started in operating system development? [closed]
... to do is develop my very own operating system (not necessarily fancy like Linux or Windows, but better than a simple boot loader which I've already done).
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How do I run Redis on Windows?
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Update
If you have Windows Subsystem for Linux (WSL), natively on Windows 10 and Windows Server 2019 you can do it per
Ogglas answer
I found one more simple way to install Redis under Windows
Download the latest Redis .msi file from
https://github.com/MSOpenTe...
How to join absolute and relative urls?
...lparse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
With Python 3 (where urlparse is renamed to urllib.parse) you could use it as follow:
>>> import urllib.parse
>>> urllib.parse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
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