Andrew Grigorev ei-grad

ei-grad / gen-video-html.py

Created October 22, 2019 06:53

	from pathlib import Path
	from urllib.parse import quote

	index = []

	for i in sorted(Path('.').iterdir()):
	index.append(i)

	with open('index.html', 'w') as f:
	f.write('<html><body><center>')

ei-grad / coordconv.py

Created August 6, 2019 14:42

Neat CoordConv channels injection implementation as a tensorflow.keras layer.

	from tensorflow.keras import backend as K
	from tensorflow.keras.layers import Layer


	class CoordinateChannel2D(Layer):

	def call(self, inputs):

	x = K.cast(K.arange(0, K.shape(inputs)[1]), K.floatx())
	x /= K.cast(K.shape(inputs)[1], K.floatx())

ei-grad / speech2text

Created May 18, 2019 14:27

speech2text command using Yandex SpeachKit

	#!/bin/bash

	if [ -z "$YC_API_KEY" ]; then
	cat << EOF
	Yandex Cloud API Key is needed:
	https://cloud.yandex.ru/docs/iam/concepts/authorization/api-key

	it would require some hustle with service account and roles:
	https://cloud.yandex.ru/docs/speechkit/security/

ei-grad / decode-mime-headers.pl

Created March 30, 2019 22:14

Some exim ugly hacks

	#!/usr/bin/env perl
	use open qw(:std :utf8);
	use Encode qw(decode);

	while (my $line = <STDIN>) {
	print decode("MIME-Header", $line);
	}

ei-grad / sort-files-by-size.sh

Created March 28, 2019 15:27

	#!/bin/sh
	find -name .git -a -type d -prune -o -type f -print0 \| du --bytes -h --files0-from=- \| sort -rh

ei-grad / convert-to-h264-ffmpeg-cuda.sh

Created February 23, 2019 13:53

Generate index.html to watch video files from current directory in browser

	for i in *; do
	echo "Converting $i..."
	ffmpeg -nostdin -i $i -c:v h264_nvenc -preset slow -cq 10 -bf 2 -g 150 ${i%.*}.mp4.tmp && \
	rm $i && \
	mv ${i%.}.mp4.tmp ${i%.}.mp4
	echo
	done

ei-grad / reset_weights.py

Created January 24, 2019 11:49

Reset Keras model weights

	from keras import backend as K
	import keras

	def reset_weights(model):
	session = K.get_session()
	for layer in model.layers:
	if isinstance(layer, keras.engine.network.Network):
	reset_weights(layer)
	continue
	for v in layer.__dict__.values():

ei-grad / dfs.py

Created January 24, 2019 11:46

DFS (DataFrames Storage) - a handy container to reduce global namespace pollution and utilize autocomplete in Jupyter notebooks

ei-grad / fetch-updated-packages

Created October 16, 2018 20:09

	#!/bin/bash

	set -e
	set -x

	[ -n "`nmcli c show --active \| grep -e Pythonidae -e Kazan_89`" ] \|\| exit 0

	pacman -S --refresh --sysupgrade --downloadonly --noconfirm
	pacman -S --clean --noconfirm

ei-grad / gen-data.py

Created February 5, 2018 00:59

	from sklearn.datasets import make_blobs
	import numpy as np

	coords, counties = make_blobs(1000, centers=20)

	values = np.random.randint(0, 100, [20])

	with open("input.csv", "w") as f:
	f.write('Town,X,Y,County,Value\n')
	for town, ((lon, lat), county) in enumerate(zip(coords, counties), 1):