romech

from time import perf_counter


class catchtime:
    def __enter__(self):
        self._time_start = perf_counter()
        return self

    def __exit__(self, type, value, traceback):
        self.elapsed = perf_counter() - self._time_start

romech

ls -tr1 | while read line; do echo file \'$line\'; done | ffmpeg -protocol_whitelist file,pipe -f concat -i - -c copy ../output.mp4

romech

#!/bin/bash

resp=$(curl -sS http://127.0.0.1:4040/api/tunnels || echo 0)
if [[ $resp == "0" ]]; then
    echo "Restarting service" >&2
    pkill ngrok
    screen -dmS ngrok /home/human/ngrok start --all
    sleep 90
    resp=$(curl -sS http://127.0.0.1:4040/api/tunnels)
fi

romech

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
from sklearn.metrics import confusion_matrix


def print_confusion_matrix(y_true, y_pred, class_names, normalize=True, figsize = (10,7), fontsize=14):
    """Prints a confusion matrix, as returned by sklearn.metrics.confusion_matrix, as a heatmap.
    

romech

FROM apache/zeppelin:0.8.1

RUN wget https://apache-mirror.rbc.ru/pub/apache/spark/spark-2.4.5/spark-2.4.5-bin-hadoop2.7.tgz \
&&  tar -xzf spark-2.4.5-bin-hadoop2.7.tgz \
&&  mv spark-2.4.5-bin-hadoop2.7 /opt/spark

ENV SPARK_HOME=/opt/spark

EXPOSE 8080

romech

'''
Levit's algorithm for finding the shortest path from one `start` node to all another.
Written according to this article: https://goo.gl/GoeKS5
Doesn't work with negative cycles.
See example at the end.
'''
from collections import defaultdict, OrderedDict
from itertools import chain
from math import inf