miklblitz

axios({
  url: 'http://localhost:5000/static/example.pdf',
  method: 'GET',
  responseType: 'blob', // important
}).then((response) => {
  const url = window.URL.createObjectURL(new Blob([response.data]));
  const link = document.createElement('a');
  link.href = url;
  link.setAttribute('download', 'file.pdf');
  document.body.appendChild(link);

miklblitz

UPDATE need_to_update
INNER JOIN original ON need_to_update.id = original.id
SET need_to_update.field1 = original.field1,
need_to_update.field2 = original.field2,
need_to_update.field3 = original.field3,
...
WHERE condition(ex: original.updated_at like '2020-02-09%');

miklblitz

swapoff -a
sudo fallocate -l 15G /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
swapon -a

miklblitz

require 'exifr/jpeg'

files = Dir['*.jpg', '*.jpeg']

files.each do |f|

im = EXIFR::JPEG.new(f)

p im.copyright if im.copyright