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Traceback (most recent call last):
  File "/u/wardefar/miniconda/lib/python3.4/site-packages/IPython/core/history.py", line 85, in catch_corrupt_db
    return f(self, *a, **kw)
  File "/u/wardefar/miniconda/lib/python3.4/site-packages/IPython/core/history.py", line 227, in init_db
    end timestamp, num_cmds integer, remark text)""")
sqlite3.OperationalError: disk I/O error

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

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\documentclass[12pt]{article}
\usepackage{amsmath}
\begin{document}

\begin{eqnarray*}
	CE(a, t) & = & -t\log\left(\sigma(a)\right) - (1 - t)\log\left(1 - \sigma(a)\right) \\
	   & = & -t \log \left(\frac{1}{1 + \exp(a)}\right) - (1 - t)\log\left(1 - \frac{1}{1 + \exp(a)}\right) \\
    & = & -t \log \left(\frac{1}{1 + \exp(a)}\right) - (1 - t)\log\left(\frac{\exp(a)}{1 + \exp(a)}\right) \\
    &	= & t \log \left(1 + \exp(a)\right) - \left[(1 - t)\log(\exp(a)) - \log(1 + \exp(a))\right] \\
    &= & t \log \left(1 + \exp(a)\right) - (1 - t)\log(\exp(a)) + (1 - t)\log(1 + \exp(a)) \\

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"""A reverse Polish notation calculator. Supports float and int literals."""
from __future__ import print_function
import operator
import sys

OPERATORS = {'+': operator.add, '-': operator.sub, '%': operator.mod, '/':
             operator.truediv, '//': operator.floordiv, '*': operator.mul,
             '**': operator.pow}

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import functools

class partial_last(functools.partial):
    """Like functools.partial, but fill positionals from the end.
    
    Useful for builtin C functions where you *can't* pass later args as
    keywords because CPython is stupid about that.
    
    Examples
    --------

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import io
from blocks.bricks import Rectifier, MLP, Sequence, Logistic
from blocks.select import Selector
from theano import tensor
from theano.printing import debugprint


def wtf(call_b):
    sub_mlp = MLP([Rectifier(), Rectifier()], [5, 4, 3])
    a = Sequence([sub_mlp.apply, Logistic().apply])

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"""Very simple PUSH-PULL reusable producer-consumer with ZeroMQ."""

# By David Warde-Farley. Released under the 3-clause BSD license.

import time
from multiprocessing import Process
import zmq


def _producer_wrapper(f, port, addr='tcp://127.0.0.1'):

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class MobileShellMousefix < Formula
  homepage "http://mosh.mit.edu/"
  revision 2

  head do
    url "https://github.com/lpkruger/mosh.git", :revision => "d5f75ec54a"

    depends_on "autoconf" => :build
    depends_on "automake" => :build
  end

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# Copyright (c) 2015 David Warde-Farley.
# 
# Permission is granted to use this code under the MIT license: 
# http://opensource.org/licenses/mit-license.php

import logging
import progressbar
import time

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try:
    from queue import Queue, Empty
except ImportError:
    from Queue import Queue, Empty
import threading
import numpy
from numpy.lib.format import read_magic, read_array_header_1_0


class BufferedChunkedNPY(object):

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from functools import wraps
import sys


# Goddamnit Python 2/3 differences.
str_type = str if sys.version_info[0] >= '3' else basestring


def filename_or_file_like(mode):
    """Decorator that checks if the first argument to a function is