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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...
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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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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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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Most efficient way of making an if-elif-elif-else statement when the else is done the most?
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does python have a switch statement?
– nathan hayfield
Jun 18 '13 at 15:08
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How to convert string to Title Case in Python?
Example:
9 Answers
9
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Django: Get an object form the DB, or 'None' if nothing matches
...r functionality - this is a bad practice in most languages. How is that in python?
– pcv
Jan 7 '11 at 12:41
18
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Which is faster: Stack allocation or Heap allocation
... on_stack doesn't do anything useful and can be optimized away. GCC on my Linux laptop also notices that on_heap doesn't do anything useful, and optimizes it away as well:
on_stack took 0.000003 seconds
on_heap took 0.000002 seconds
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How to split a string into a list?
I want my Python function to split a sentence (input) and store each word in a list. My current code splits the sentence, but does not store the words as a list. How do I do that?
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