JolleJolles JolleJolles

Postdoctoral Researcher studying Animal Behaviour with a focus on the role of individual differences in collective behaviour.

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JolleJolles / reset picamera when hanging

Created December 23, 2019 12:16

	# List all currently running processes:
	ps -a

	# Look for one that says "python" or "python3" in the output, like this:
	PID TTY TIME CMD
	1218 tty1 00:00:00 bash
	1169 pts/0 00:00:00 python
	8960 pts/1 00:00:00 ps

	# Use the command "kill -KILL [PID#]" to stop the python process. For this example, the command was

JolleJolles / virtual environment and jupyter

Created December 9, 2019 10:30

	# Create virtual environment
	mkvirtualenv -p python3 PROJECTNAME

	# From inside the environment install ipykernel
	pip install ipykernel

	# Install a new kernel
	ipython kernel install --user --name=PROJECTNAME

	# Start Jupyter lab

JolleJolles / remove-read-only.md

Last active November 18, 2019 14:20

raspberry pi stuck in read only

If your raspberry pi is somehow stuck in read-only mode after restart, it can often be released with the following commands:

sudo su
mount -o remount, rw /
exit

JolleJolles / One liner to install python3.7 on raspbian

Created February 21, 2019 14:40

sudo apt-get update -y && sudo apt-get install build-essential tk-dev libncurses5-dev libncursesw5-dev libreadline6-dev libdb5.3-dev libgdbm-dev libsqlite3-dev libssl-dev libbz2-dev libexpat1-dev liblzma-dev zlib1g-dev libffi-dev -y && wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.xz && tar xf Python-3.7.0.tar.xz && cd Python-3.7.0 && ./configure && make -j 4 && sudo make altinstall && cd .. && sudo rm -r Python-3.7.0 && rm Python-3.7.0.tar.xz && sudo apt-get --purge remove build-essential tk-dev libncurses5-dev libncursesw5-dev libreadline6-dev libdb5.3-dev libgdbm-dev libsqlite3-dev libssl-dev libbz2-dev libexpat1-dev liblzma-dev zlib1g-dev libffi-dev -y && sudo apt-get autoremove -y && sudo apt-get clean

JolleJolles / python-2-3-compatibility.md

Created November 8, 2018 09:08

Short list of key changes to make python 2.7 code compatible for python 2.7 and 3.x

## Making python 2 and 3 compatible:

Import above everything

from future import print_function

All print statements have to have brackets, like

print("sint")

Exceptions need to be in brackets as well

raise ValueError("dodgy value")

JolleJolles / python-opencv-install.sh

Last active November 8, 2018 08:28 — forked from rizky/install-opencv.sh

Install OpenCV 4 with Python 3 and 2.7 on Mac

	### Forked from Rizkyario, implemented improvements based on
	### Pyimagesearch https://bit.ly/2PJsK1Y, and adapted to:
	### - install OpenCV 4.0
	### - install with both 2.7 and 3.x versions of python
	### - work with virtual environments

	# 1. Install Xcode
	# Before we can even think about compiling OpenCV, we first need to install Xcode,
	# which can be downloaded in the app store