cfperez’s gists

cfperez / timeout.py

Created August 4, 2020 19:57

	"""A context manager for enforcing (integer) timeouts of a code block."""
	import contextlib


	@contextlib.contextmanager
	def Timeout(timeout: Optional[int]) -> ContextManager[None]:
	"""Raises TimeoutError() if block isn't completed within `timeout` seconds.

	Args:
	timeout: Seconds. If None, there is no timeout.

cfperez / jupyter_gym_render.md

Created August 30, 2018 17:45 — forked from andrewschreiber/jupyter_gym_render.md

How to stream OpenAI Gym environment rendering within a Jupyter Notebook

$ xvfb-run -s "-screen 0 1400x900x24" jupyter notebook

import matplotlib.pyplot as plt
%matplotlib inline

def show_state(env, step=0):

cfperez / legend.py

Created August 14, 2018 21:50

Ways to combine legends in matplotlib

	def combined_legend(*axes):
	"""Creates combines legends from provided axes.

	Usually used for ax and ax.twinx()
	"""
	lines, labels = [], []
	for ax in axes:
	line, label = ax.get_legend_handles_labels()
	lines.extend(line)
	labels.extend(label)

cfperez / cuda_install.sh

Last active June 28, 2018 21:58

CUDA 9.2 + cuDNN 7.1 install

	#!/bin/bash

	CUDNN_FILE="cudnn-9.2-linux-x64-v7.1.tgz"
	[ -e $CUDNN_FILE ] \|\| echo "Please download CUDNN 7.1 from https://developer.nvidia.com/rdp/cudnn-download" && exit 1

	sudo apt-get install linux-headers-$(uname -r)

	# get CUDA 9.0 toolkit
	PKG="cuda-repo-ubuntu1604_9.2.88-1_amd64.deb"
	wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/$PKG

cfperez / keras-metrics.py

Last active September 13, 2017 18:38

Some metrics for Keras training

	# From https://github.com/fchollet/keras/issues/5400#issuecomment-314747992
	from keras import backend as K

	def mcor(y_true, y_pred):
	#matthews_correlation
	y_pred_pos = K.round(K.clip(y_pred, 0, 1))
	y_pred_neg = 1 - y_pred_pos


	y_pos = K.round(K.clip(y_true, 0, 1))

cfperez / install_kernel.sh

Created September 10, 2017 04:56

	#!/bin/bash

	ENV=${1:-"$CONDA_DEFAULT_ENV"}
	if [ -z "$ENV" ]; then
	echo Must specify conda environment
	exit 1
	fi
	DISPLAY_NAME=${2:-$ENV}

	echo Installing kernel for enviroment $ENV using display name \"$DISPLAY_NAME\"

cfperez / waya-dl-setup.sh

Last active September 11, 2017 23:33 — forked from mjdietzx/waya-dl-setup.sh

Install CUDA Toolkit v8.0 and cuDNN v6.0 on Ubuntu 16.04

	#!/bin/bash

	# install CUDA Toolkit v8.0
	# instructions from https://developer.nvidia.com/cuda-downloads (linux -> x86_64 -> Ubuntu -> 16.04 -> deb (network))
	CUDA_REPO_PKG="cuda-repo-ubuntu1604_8.0.61-1_amd64.deb"
	wget http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/${CUDA_REPO_PKG}
	sudo dpkg -i ${CUDA_REPO_PKG}
	sudo apt-get update
	sudo apt-get -y install cuda

cfperez / attach

Created July 11, 2017 17:30

Attach to an existing tmux session or create a new one

cfperez / lr_schedule.py

Created July 10, 2017 18:39

Learning rate scheduler

	from keras.callbacks import LearningRateScheduler

	def scheduler(schedule):
	def lr_schedule(epoch):
	epoch += 1
	for ep,lr in sorted(schedule, reverse=True):
	if epoch >= ep:
	return lr
	raise ValueError()
	return lr_schedule

cfperez / .vimrc

Created April 13, 2017 22:04

vim-tmux-navigator work with zsh

	" If using YADR: ~/.vim/settings/path.vim
	" Or else in .vimrc
	set shell=/bin/zsh\ -l