r2007

#/usr/bin/env python

from pandas import np
from pandas.io.data import DataReader


def historical_volatility(sym, days):
    "Return the annualized stddev of daily log returns of `sym`."
    try:
        quotes = DataReader(sym, 'yahoo')['Close'][-days:]

r2007

gcc test.c /usr/lib/x86_64-linux-gnu/libcrypto.a /usr/lib/x86_64-linux-gnu/libssl.a -o test -ldl

r2007

Every so often I have to restore my gpg keys and I'm never sure how best to do it. So, I've spent some time playing around with the various ways to export/import (backup/restore) keys.

Method 1

Backup the public and secret keyrings and trust database

cp ~/.gnupg/pubring.gpg /path/to/backups/
cp ~/.gnupg/secring.gpg /path/to/backups/
cp ~/.gnupg/trustdb.gpg /path/to/backups/

or, instead of backing up trustdb...

r2007

%%javascript
require.config({
  paths: {
      d3: '//cdnjs.cloudflare.com/ajax/libs/d3/3.4.8/d3.min'
  }
});

r2007

openssl req -x509 -newkey rsa:2048 -keyout server.key -out server.crt -nodes -days 365

r2007

# for web2py
cache
databases
errors
sessions
uploads

# inherit https://github.com/github/gitignore/blob/master/Python.gitignore

*.py[co]

r2007

apt-get update
apt-get install -y pkg-config libopenblas-dev liblapack-dev git-core build-essential gfortran python-dev curl libfreetype6-dev libjpeg-dev libhdf5-dev liblzo2-dev libbz2-dev
curl https://bootstrap.pypa.io/get-pip.py | python
pip install cython
pip install numpy
pip install six
pip install pillow
pip install scikit-image
pip install scipy
pip install scikit-learn