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Split code over multiple lines in an R script
... to indicate to R that the code continues on the next line. Such as "\" in Python. However, your solution works well for the specific problem of string continuation.
– Curious2learn
Jun 13 '11 at 12:11
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How to convert a PIL Image into a numpy array?
...; im = PIL.Image.fromarray(numpy.uint8(I))
Filter numpy images with FFT, Python
If you want to do it explicitly for some reason, there are pil2array() and array2pil() functions using getdata() on this page in correlation.zip.
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Correct way to detach from a container without stopping it
...s used to launch the container:
[berto@g6]$ docker run -ti -d --name test python:3.6 /bin/bash -c 'while [ 1 ]; do sleep 30; done;'
b26e39632351192a9a1a00ea0c2f3e10729b6d3e22f8e0676d6519e15c08b518
[berto@g6]$ docker attach test
# here I typed ^P^Q
read escape sequence
# i'm back to my prompt
[ber...
Is Ruby pass by reference or by value?
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Ruby uses "pass by object reference"
(Using Python's terminology.)
To say Ruby uses "pass by value" or "pass by reference" isn't really descriptive enough to be helpful. I think as most people know it these days, that terminology ("value" vs "reference") comes from C+...
Why does pycharm propose to change method to static
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@Talha: self is not removed in Python3 at all.
– Junuxx
May 31 '19 at 0:08
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show 6 more comment...
How to parse the AndroidManifest.xml file inside an .apk package
...sing the Android Asset Packaging Tool (aapt), from the Android SDK, into a Python (or whatever) script?
Through the aapt (http://elinux.org/Android_aapt), indeed, you can retrieve information about the .apk package and about its AndroidManifest.xml file. In particular, you can extract the values of...
How to migrate back from initial migration in Django 1.7?
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You can do the same with Django 1.7+ also:
python manage.py migrate <app> zero
This clears <app> from migration history and drops all tables of <app>
See django docs for more info.
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Understand homebrew and keg-only dependencies
...nssl version, it always shows the one from os (LibreSSL) but when I run my python in interactive mode, it is actually using openssl. Can you help me understand how python picked up the correct openssl? @echristopherson
– Alex
Apr 29 at 22:58
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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
How do I implement the following (Python pseudocode) in C++?
21 Answers
21
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How do I know if a generator is empty from the start?
...d me a lot with my current project. I found a similar example in code for python's standard library module 'mailbox.py'. This method is for backward compatibility only. def next(self): """Return the next message in a one-time iteration.""" if not hasattr(self, '_onetime_keys'):...