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const formatDate = ( dateStr ) => {
  let returned = '';
  if( 'Intl' in window ) {
    const dateObj = new Date( dateStr );
    const options = {
      month: 'long',
      timeZone: 'America/Los_Angeles',
      day: 'numeric',
      year: 'numeric'
    };

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Tested on macOS 11.3.1 with ffmpeg installed with homebrew

Use the h264_videotoolbox codec. -b:v is the bitrate flag. Using a higher
bitrate improves quality, but increases file size.

760k (include the k!) gives a nice balance between quality and file size.

ffmpeg -i input.gif -vcodec h264_videotoolbox -b:v 760k output.h264.mp4

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function array_mode($$arr) {
  /*
  Count the frequency of occurrence of values in the array.
  This will make each duration value into a key, with its frequency as the
  value
  */
  $counts = array_count_values($$arr);

  /*
    Get all of the count values and find the unique values, then sort them,

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// Simple way to check whether a particular value is numeric. Saving it here so that I don't have to solve it twice.
const isNumeric = (value) => {
  return !Number.isNaN(parseFloat(value,10));
}

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<?php

function flatten2d($multi_dimensional_array) {
  $flattened = [];
  $flatten = function($value, $index) { 
    global $flattened;
    array_push($flattened, $value);
  };
  array_walk_recursive($multi_dimensional_array, $flatten);
  return $flattened;

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<?php

function iso8601ToSeconds($input) {
  $duration = new DateInterval($input);
  $hours_to_seconds = $duration->h * 60 * 60;
  $minutes_to_seconds = $duration->i * 60;
  $seconds = $duration->s;
  return $hours_to_seconds + $minutes_to_seconds + $seconds;
}

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/*
PHP function for converting an ISO8601 duration (the kind used by YouTube's API)
to something more readable.
*/

make_readable_duration($duration)
{
  $duration = new DateInterval($duration);
  return $duration->format('%H:%I:%S');
}

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Partly pulled from the comments here: pycurl/pycurl#526

May also be a fix for this error:

ImportError: pycurl: libcurl link-time ssl backend (none/other) is different from compile-time ssl backend (openssl)

If you try to install PycURL and receive this error:

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/*
DialogModal. Depends on the presence of dialog-polyfill.js
and dialog-polyfill.css with the page in non-Chrome browsers.
https://github.com/GoogleChrome/dialog-polyfill

MIT licensed.
*/

import React from 'react';
import PropTypes from 'prop-types';

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Writing this as a note to myself :-)

Install a Python 3 binary from python.org, then add the path to that Python binary
(e.g.  /Library/Frameworks/Python.framework/Versions/3.6/bin) to your /etc/paths file.