Davoud Arsalani davoudarsalani

Useful Regular Expressions

These are the most useful Regular Expressions that I find myself using on a regular basis

Test to see if a string is a valid website address or not.

People

	/*
	* Credits go to https://stackoverflow.com/a/20371801/8504344, https://stackoverflow.com/users/179024/mw
	*/
	$(document).ready(function () {
	// Add refresh button after field (this can be done in the template as well)
	$('img.captcha').after(
	$('<a href="#void" class="captcha-refresh"><i class="fa fa-refresh"></i></a>')
	);

	// Click-handler for the refresh-link

	# Requires pydub (with ffmpeg) and Pillow
	#
	# Usage: python waveform.py <audio_file>

	import sys

	from pydub import AudioSegment
	from PIL import Image, ImageDraw

	from pydub import AudioSegment
	from matplotlib import pyplot as plot
	from PIL import Image, ImageDraw
	import numpy as np
	import os

	src = "./test.mp3"

	audio = AudioSegment.from_file(src)
	data = np.fromstring(audio._data, np.int16)