fogleman

class FibonacciIterator(object):
    def __init__(self):
        self.data = [0, 1]
    def next(self):
        self.data.append(sum(self.data))
        return self.data.pop(0)

class Fibonacci(object):
    def __iter__(self):
        return FibonacciIterator()

fogleman

Git Cheat Sheet

This attempts to be a useful "cheat sheet" for git. I'm just writing git recipes down here as I find and use them.

Getting Code

Clone a repository (GitHub)

git clone git@github.com:username/repository.git

fogleman

GitHub Game Off 2012 Entries

I wrote a Python script to fetch these URLs using the GitHub API.

• http://amaanc.github.com/TinyWings/
• http://animuchan.net/git-invaders/music-on/
• http://attune.michgarbacz.com
• http://avabranch.zolmeister.com
• http://begillespie.github.com/cloned-game

fogleman

#define NORTH 0
#define SOUTH 1
#define EAST 2
#define WEST 3

typedef struct {
    int width;      // width of the 2-D tape
    int height;     // height of the 2-D tape
    int states;     // number of states
    int symbols;    // number of symbols

fogleman

def distinct(iterable, keyfunc=None):
    seen = set()
    for item in iterable:
        key = item if keyfunc is None else keyfunc(item)
        if key not in seen:
            seen.add(key)
            yield item

if __name__ == '__main__':
    x = [0, 0, 1, 0, 1, 2, 2, 1, 0]

fogleman

from itertools import izip, product
import wx

BITS = 6
SIZE = int(((2 ** BITS) ** 3) ** 0.5)
STEP = 2 ** (8 - BITS)

def color_func(color):
    r, g, b = color
    r, g, b = 0.30 * r, 0.59 * g, 0.11 * b

fogleman

import wx

class View(wx.Panel):
    def __init__(self, parent):
        super(View, self).__init__(parent)
        self.SetBackgroundStyle(wx.BG_STYLE_CUSTOM)
        self.Bind(wx.EVT_SIZE, self.on_size)
        self.Bind(wx.EVT_PAINT, self.on_paint)
        self.Bind(wx.EVT_CHAR_HOOK, self.on_char)
        self.bitmap = None

fogleman

import random
import wx

SIZE = 4096

LOOKUP = [
    [0, 1, 4, 5, 2, 3, 6, 7],
    [1, 0, 5, 4, 3, 2, 7, 6],
    [2, 3, 6, 7, 0, 1, 4, 5],
    [3, 2, 7, 6, 1, 0, 5, 4],

fogleman

Create Animated GIF

convert -delay 20 -loop 0 *.png output.gif

Concatenate Images Vertically

montage *.png -mode concatenate -tile 1x output.png

Convert to RGB Bitmap

fogleman

from math import sin, cos, radians
import cairo
import random
import re

class System(object):
    def __init__(self, rules):
        self.rules = rules
        self.pattern = re.compile('|'.join('(%s)' % x for x in rules))
    def step(self, value):