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Converting int to bytes in Python 3
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In Python 3, note that bytes([n]) only works for int n from 0 to 255. For anything else it raises ValueError.
– Acumenus
Dec 21 '16 at 6:29
8
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Looping through the content of a file in Bash
...' "$p"
done < peptides.txt
Exceptionally, if the loop body may read from standard input, you can open the file using a different file descriptor:
while read -u 10 p; do
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done 10<peptides.txt
Here, 10 is just an arbitrary number (different from 0, 1, 2).
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How to disable admin-style browsable interface of django-rest-framework?
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You just need to remove the browsable API renderer from your list of supported renderers for the view.
Generally:
REST_FRAMEWORK = {
'DEFAULT_RENDERER_CLASSES': (
'rest_framework.renderers.JSONRenderer',
)
}
Per-view basis:
class MyView(...):
renderer...
Git: copy all files in a directory from another branch
How do I copy all files in a directory from another branch? I can list all of the files in that directory by doing
2 Answe...
How to export revision history from mercurial or git to cvs?
I'm going to be working with other people on code from a project that uses cvs. We want to use a distributed vcs to make our work and when we finish or maybe every once in a while we want to commit our code and all of our revision history to cvs. We don't have write access to the project's cvs repo ...
Can Google Chrome open local links?
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You can't link to file:/// from an HTML document that is not itself a file:/// for security reasons.
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How do I split a string on a delimiter in Bash?
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Taken from Bash shell script split array:
IN="bla@some.com;john@home.com"
arrIN=(${IN//;/ })
Explanation:
This construction replaces all occurrences of ';' (the initial // means global replace) in the string IN with ' ' (a sing...
Convert string in base64 to image and save on filesystem in Python
...odernizing this example to Python 3, which removed arbitrary codec support from string/bytes .encode() and .decode() functions:
# For both Python 2.7 and Python 3.x
import base64
with open("imageToSave.png", "wb") as fh:
fh.write(base64.decodebytes(img_data))
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Non-alphanumeric list order from os.listdir()
...subdirectories: run01, run02, ... run19, run20, and then I generate a list from the following command:
12 Answers
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Compelling examples of custom C++ allocators?
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@sellibitze: Since the vectors were being manipulated from within TBB tasks and reused across multiple parallel operations and there is no guarantee which TBB worker thread will pick up tasks, I conclude it works just fine. Although note that have been some historic issues with...