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@longlostnick
longlostnick / uploads_controller.rb
Created June 17, 2014 18:20
Rails JSON file upload with carrierwave (from base64 string)
class Api::UploadsController < ApiController
def create
@upload = Upload.new(upload_params)
ensure
clean_tempfile
end
private
@lelandbatey
lelandbatey / whiteboardCleaner.md
Last active April 25, 2024 02:01
Whiteboard Picture Cleaner - Shell one-liner/script to clean up and beautify photos of whiteboards!

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results