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Re-raise exception with a different type and message, preserving existing information
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Python 3 introduced exception chaining (as described in PEP 3134). This allows, when raising an exception, to cite an existing exception as the “cause”:
try:
frobnicate()
except KeyError as exc:
raise ValueError("...
How to send a “multipart/form-data” with requests in python?
How to send a multipart/form-data with requests in python? How to send a file, I understand, but how to send the form data by this method can not understand.
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What do ellipsis […] mean in a list?
I was playing around in python. I used the following code in IDLE:
6 Answers
6
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mmap() vs. reading blocks
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I was trying to find the final word on mmap / read performance on Linux and I came across a nice post (link) on the Linux kernel mailing list. It's from 2000, so there have been many improvements to IO and virtual memory in the kernel since then, but it nicely explains the reason why mmap ...
How to crop an image in OpenCV using Python
...to create code blocks and can share your jupytor notebook on stackoverflow python chat room to get someones help.
– samkhan13
Aug 28 '19 at 16:37
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Do regular expressions from the re module support word boundaries (\b)?
...e the \b to match a word boundary. However, the following snippet in the Python interpreter does not work as expected:
4 ...
How to check for DLL dependency?
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I can recommend interesting solution for Linux fans. After I explored this solution, I've switched from DependencyWalker to this.
You can use your favorite ldd over Windows-related exe, dll.
To do this you need to install Cygwin (basic installation, without additi...
Split a string at uppercase letters
What is the pythonic way to split a string before the occurrences of a given set of characters?
16 Answers
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TypeError: module.__init__() takes at most 2 arguments (3 given)
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@VMAtm: Why dont you try it and find out. Python's great cos it has the interpreter. Great for quick experimentation
– Sheena
Jan 27 '17 at 5:10
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How to get diff working like git-diff?
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Needed to enable Extra Packages for Enterprise Linux (EPEL) on Amazon Linux to install colordiff: docs.aws.amazon.com/AWSEC2/latest/UserGuide/…
– Pat Myron
Aug 23 '19 at 18:03
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