nathan-cruz77

# Flattens nested lists/tuples into a single flat list. Other typles are
# returned as-is.
#
#
# Sample usage:
#
#   >>> flatten([1, 2, 3, 4])
#   [1, 2, 3, 4]
#
#   >>> flatten([1, [2, 3], 4])

nathan-cruz77

from collections.abc import Iterable

# Enumerate iterable containing iterables recursively.
#
# Like `enumerate` but can recursively go into nested iterables yielding each
# entry's index as a tuple.
#
#
# Sample usage:
#

nathan-cruz77

INPUT=input.mp4
OUTPUT=output.mp4

ffmpeg \
  -hwaccel cuda \
  -hwaccel_output_format cuda \
  -i $INPUT \
  -vf 'hwdownload,format=nv12,hwupload' \
  -c:a copy \
  -c:v h264_nvenc \

nathan-cruz77

scanimage --format=jpeg -p --preview=yes --output=out.jpeg

nathan-cruz77

defmodule URIParser do
  @doc """
  Extracts path, query params and UUIDs from the given URI and return them as a map.

  ## Examples

      iex> URIParser.parse("https://example.com/resource/3776a9b5-5f69-4d9e-be5e-74e574df02d6?page[number]=5&page[size]=3")
      %{
        path: "/resource/:id",
        query: %{"page[number]" => "5", "page[size]" => "3"},

nathan-cruz77

defmodule Zip do
  @doc """
  Zips corresponding elements from a finite collection of enumerables into one list of tuples.

  The zipping finishes when the longest enumerable is finished. Default padding value is `nil`.
  
  Usage:

      iex> Bla.zip_longest([1, 2, 3], [1, 2])         
      [{1, 1}, {2, 2}, {3, nil}]

nathan-cruz77

class Hashable:

    def __init__(self, arg):
        self.arg = arg

    def __hash__(self):
        return hash(self.arg)

    def __eq__(self, other):
        return self.__hash__() == other.__hash__()

nathan-cruz77

class Hashable:

    def __init__(self, arg):
        self.arg = arg

    def __hash__(self):
        return hash(self.arg)

    def __eq__(self, other):
        return self.__hash__() == other.__hash__()

nathan-cruz77

import re

# Validates whether a phone number is in E.164 (https://en.wikipedia.org/wiki/E.164)
# format.
# 
# Sample usage:
# 
#   >>> is_e164('55 (12) 98154-1281')
#   True
# 

nathan-cruz77

from itertools import chain

# Fold iterable into itself.
# 
# 
# Sample usage:
# 
#   >>> list(fold([1, 2, 3]))
#   [1, 2, 3, 2, 1]
#