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@jmoiron
jmoiron / crawler.py
Created May 27, 2011 20:37
Simple gevent/httplib2 web crawler.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Simple async crawler/callback queue based on gevent."""
import traceback
import logging
import httplib2
import gevent
@chadselph
chadselph / patternmatching.py
Last active February 15, 2024 14:45
Functional language style pattern matching in python with a decorator
from collections import defaultdict
class BadMatch(NameError):
"""Exception when your args don't match a pattern"""
pass
class Any(object):
"""
>>> 'wutup' == Any()
True
@dahlia
dahlia / hstore.py
Created February 18, 2012 14:58
PostgreSQL hstore + SQLAlchemy
""":mod:`hstore` --- Using PostgreSQL hstore with SQLAlchemy
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. note::
I released it under Public Domain. Feel free to use!
It provides :class:`Hstore` type which makes you to store Python
dictionaries into hstore columns in PostgreSQL. For example::
@ympbyc
ympbyc / Compiler.scm
Created November 21, 2012 16:59
A compact SECD virtual machine implementation
;;;; S-expression to SECD instruction Compiler ;;;;
;;; 2012 Minori Yamashita <ympbyc@gmail.com> ;;add your name here
;;;
;;; reference:
;;; http://www.geocities.jp/m_hiroi/func/abcscm33.html
;;;
(load "./SECD.scm")
;;; Helpers ;;;
@Bpless
Bpless / shell_plus_reloader.py
Last active June 5, 2018 11:40
Shell_Plus reloader thread
class ReloaderEventHandler(FileSystemEventHandler):
"""
Listen for changes to modules within the Django project
On change, reload the module in the Python Shell
Custom logic required to reload django models.py modules
Due to the singleton AppCache, which caches model references.
For those models files, we must clear and repopulate the AppCache
"""
def __init__(self, *args, **kwargs):
@Glench
Glench / geometric_mean.py
Created January 24, 2013 18:59
Geometric mean function for python. Takes the nth root of all values in an iterable multiplied together. There might be some issues with this.
import operator
def geometric_mean(iterable):
return (reduce(operator.mul, iterable)) ** (1.0/len(iterable))
@marianposaceanu
marianposaceanu / linux_fun.md
Last active January 29, 2023 20:31
How to have some fun using the terminal.

Linux fun-o-matic

How to have some fun using the terminal.

  1. Install cowsay [0] via : sudo apt-get install cowsay
  2. Install fortune [1] via : sudo apt-get install fortune
  3. Make sure you have Ruby installed via : ruby -v
  4. Install the lolcat [2] via : gem gem install lolcat
  5. Profit!
@jezen
jezen / Io Example Problems
Created December 15, 2013 13:17
The example problems have gone missing from the Io language website, so here’s a backup.
#Sample code
#Hello world
"Hello world!" print
#Factorial
factorial := method(n, if(n == 1, 1, n * factorial(n - 1)))
99 bottles of beer
@rbishop
rbishop / carl_hewitt_actor_model.md
Last active April 3, 2024 06:58
Notes from Carl Hewitt on the Actor Model

Carl Hewitt on Actors

Actor - Fundamental unit of computation, a computation model - not just a form of concurrency

An Actor has three essential elements:

  • 1 - Processing - you have to get something done
  • 2 - Storage - you have to be able to remember things
  • 3 - Communication
@rduplain
rduplain / README.md
Last active December 6, 2023 15:08
Demo of the Python `code` module, for interaction and DSLs.

import code

This is a demonstration of the Python [code][1] module, which allows for an interactive interpreter to be embedded into a Python program.

code.interact(banner=None, readfunc=None, local=None)

Convenience function to run a read-eval-print loop. This creates a new instance of [InteractiveConsole][2] and sets readfunc to be used as the