Alex Alex-Kopylov

🐍

just no

Alex-Kopylov / [ML] Randomizing Images in ndarray

Last active February 7, 2019 13:43

	def randomize(dataset, labels):
	permutation = np.random.permutation(labels.shape[0])
	shuffled_dataset = dataset[permutation,:,:]
	shuffled_labels = labels[permutation]
	return shuffled_dataset, shuffled_labels
	train_dataset, train_labels = randomize(train_dataset, train_labels)
	test_dataset, test_labels = randomize(test_dataset, test_labels)
	valid_dataset, valid_labels = randomize(valid_dataset, valid_labels)

Alex-Kopylov / [ML] overlapping data

Created February 7, 2019 14:40

	import time
	import hashlib

	t1 = time.time()

	train_hashes = [hashlib.sha1(x).digest() for x in train_dataset]
	valid_hashes = [hashlib.sha1(x).digest() for x in valid_dataset]
	test_hashes = [hashlib.sha1(x).digest() for x in test_dataset]

	valid_in_train = np.in1d(valid_hashes, train_hashes)

Alex-Kopylov / gist:119ac0180e7df944ed18f9c361f22582

Created April 20, 2019 11:37

	def getSymbolBeforeDigit(x):
	for i, c in enumerate(x):
	if c.isdigit():
	return x[i-1]
	pd.to_numeric(data['Толщина_перед_смоткой'].apply(lambda x: x.split(getSymbolBeforeDigit(x))[1].replace(',','.')))

Alex-Kopylov / disp_multiple_images.py

Created July 29, 2019 07:16 — forked from soply/disp_multiple_images.py

Plot multiple images with matplotlib in a single figure. Titles can be given optionally as second argument.

	import matplotlib.pyplot as plt
	import numpy as np

	def show_images(images, cols = 1, titles = None):
	"""Display a list of images in a single figure with matplotlib.

	Parameters
	---------
	images: List of np.arrays compatible with plt.imshow.

Alex-Kopylov / [ML] Resume Table

Last active September 22, 2019 08:36

by https://www.kaggle.com/kabure

	def resumetable(df):
	print(f"Dataset Shape: {df.shape}")
	summary = pd.DataFrame(df.dtypes,columns=['dtypes'])
	summary = summary.reset_index()
	summary['Name'] = summary['index']
	summary = summary[['Name','dtypes']]
	summary['Missing'] = df.isnull().sum().values
	summary['Uniques'] = df.nunique().values
	summary['First Value'] = df.loc[0].values
	summary['Second Value'] = df.loc[1].values

Alex-Kopylov / Davinci Resolve 16 ARCH audio fix.sh

Created November 8, 2020 14:23

Davinci Resolve 16 ARCH audio fix

sudo pacman -S pulseaudio-alsa

Alex-Kopylov / Linux key speed

Created November 18, 2020 20:57

Increase key speed via a rate change

xset r rate 300 50

Alex-Kopylov / dvc list tracked

Created December 3, 2020 19:37

dvc list tracked files in current repo

dvc list -R --dvc-only ./

Alex-Kopylov / Dockerfile

Created June 17, 2024 13:05

Dockerfile poetry template

	ARG PYTHON_VERSION=3.11.8
	ARG PYTHON_DISTRO=slim-bullseye

	FROM python:${PYTHON_VERSION}-${PYTHON_DISTRO} as base-image

	ENV PYTHONUNBUFFERED=1 \
	PYTHONDONTWRITEBYTECODE=1 \
	PIP_NO_CACHE_DIR=off \
	PIP_DISABLE_PIP_VERSION_CHECK=on \
	PIP_DEFAULT_TIMEOUT=100 \