poulter7

# Run with:
# python imagecrack.py http://staffwww.dcs.shef.ac.uk/people/R.Clayton/UoSsecret.png
import Image
from numpy import asarray
from urllib2 import urlopen
from cStringIO import StringIO
from sys import argv

png = asarray(Image.open(StringIO(urlopen(argv[1]).read())))          # open the image from URL as an array
print ''.join([chr(png[x,y]) for (x,y) in png[:,0:2]-1])    # for each leading pair in the array find the corresponding character (-1 from its value MATLAB 1 indexing...)

poulter7

For Python Quants Bootcamp

This is the Gist the For Python Quants Bootcamp in London 23. November 2017 (http://fpq.io)

This third boocamp day is about Python for Algorithmic Trading (I).

Topics

poulter7

For Python Quants Bootcamp

This is the Gist the For Python Quants Bootcamp in London, 21.-24. November 2017 (http://fpq.io)

Notebooks & Code Files

poulter7

For Python Quants Bootcamp

This is the Gist the For Python Quants Bootcamp in London 24. November 2017 (http://fpq.io)

This fourth boocamp day is about Python for Algorithmic Trading (II).

Topics

poulter7

import SwiftUI

struct ContentView: View {
    // stores the input from the text field
    @State private var message = ""
    // stores the saved input
    // note the this variable is initialized from the UserDefaults
    @State private var pesistedMessage = UserDefaults.standard.string(forKey: "UserMessage")

    var body: some View {