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View python_conversion.md

Python Number Conversion Chart

From To Expression
@beala
beala / argy.py
Created Aug 11, 2012
A command line argument parser using generators and co-routines.
View argy.py
"""
Inspired by:
http://eli.thegreenplace.net/2009/08/29/co-routines-as-an-alternative-to-state-machines/
"""
def parse_args(target):
"""A generator that parses a stream of arguments one character at a time.
As soon as a flag, or flag value pair ("-a" or "-a value") is processed
the pair is sent off as a tuple to the 'target' generator.
@gatlin
gatlin / sat.hs
Created Feb 6, 2012
SAT Solver in Haskell
View sat.hs
-- This is going to be on Hackage soon! https://github.com/gatlin/surely
{-# LANGUAGE BangPatterns #-}
-- |
-- Module : AI.Surely
-- Copyright : 2012 Gatlin Johnson
-- License : LGPL 3.0
-- Maintainer : rokenrol@gmail.com
-- Stability : experimental
@Jach
Jach / number_hack.py
Created Sep 10, 2011
Overrides the Python integer five to be equal to four with ctypes magic
View number_hack.py
import sys
import ctypes
pyint_p = ctypes.POINTER(ctypes.c_byte*sys.getsizeof(5))
five = ctypes.cast(id(5), pyint_p)
print(2 + 2 == 5) # False
five.contents[five.contents[:].index(5)] = 4
print(2 + 2 == 5) # True (must be sufficiently large values of 2 there...)
@samueltardieu
samueltardieu / pell.py
Created Nov 26, 2010
Solve the Pell equation
View pell.py
"""Compute solutions to the diophantine Pell equation x^2-D*y^2=1."""
import itertools
def pell (D):
"""Return the smallest integer set solving Pell equation
x^2-D*y^2=1 where x, D and y are positive integers. If there are no
solution (D is a square), return None.
>>> pell(3)
You can’t perform that action at this time.