richardkiss

#!/bin/sh

VENV_PATH=${@:-${VENV_BASE_PATH:-~/tmp/virtualenvs}}/`pwd | sed "s|/|_|g"`/venv

if [ -e $VENV_PATH ]
then
    echo rm -rf $VENV_PATH
    echo and try again
else
    mkdir -p $VENV_PATH

richardkiss

Idempotent clarifications

Here are a bunch of changes you can make for humans only. None of these changes should change how it compiles, so you should be able to change anything in this section and compare the resultant compile. It should be identical.

reformat

I've really love an automated pretty-printer akin to "black" for python or "cargo fmt" for rust so you can write whatever mess you want and have a computer indent it so it looks nice, but I haven't been able to find one yet.

richardkiss

from pycoin.encoding.hexbytes import b2h
from pycoin.intbytes import int2byte
from pycoin.key import Key
from pycoin.networks.registry import network_for_netcode
from pycoin.satoshi.der import sigencode_der

network = network_for_netcode('XTN')

Tx = network.tx
TxIn = network.tx.TxIn

richardkiss

#!/usr/bin/env python

import subprocess
import sys


output = subprocess.check_output(["ls"] + sys.argv[1:])

lines = output.split("\n")

richardkiss

Chia FAQ

Q: Where does the name "Chia" come from?

A: See Wikipedia.

richardkiss

Keybase proof

I hereby claim:

• I am richardkiss on github.
• I am richardkiss (https://keybase.io/richardkiss) on keybase.
• I have a public key whose fingerprint is 1BE0 3D39 4138 A2C2 E2EF 64D4 E0F4 3326 DBD8 AB6A

To claim this, I am signing this object:

richardkiss

#!/usr/bin/env python

"""
When PYTHONASYNCIODEBUG is set to 1, this causes a strange error:

TypeError: send() takes 2 positional arguments but 7 were given

Invoke as follows:

$ PYTHONASYNCIODEBUG=1 python3 put_get_bug.py

richardkiss

#!/usr/bin/env python

"""
This is an example of what seems to be a garbage collection bug in Python 3.4.0
that does not exist in Python 3.3.3.

The example uses asyncio to create a producer that multiplexes to N consumers.
On my Mac, with N=100, 38 consumers are incorrectly garbage collected and only execute
once, dropping the surviving consumer count to 62.

richardkiss

#!/usr/bin/env python

"""
This works fine in Python 3.3, but causes a strange error in Python 3.4.0:

TypeError: send() takes 2 positional arguments but 3 were given
"""

import asyncio

richardkiss

#!/usr/bin/env python

"""
The obvious way is to do it with complex numbers.
"""

def f(x):
    # remember, in Python 1j means sqrt(-1)
    return 1j * x