Swalloow

class Model:

    def __init__(self, data, target):
        self.data = data
        self.target = target
        self.prediction
        self.optimize
        self.error

    @lazy_property

Swalloow

import functools

def lazy_property(function):
    attribute = '_cache_' + function.__name__

    @property
    @functools.wraps(function)
    def decorator(self):
        if not hasattr(self, attribute):
            setattr(self, attribute, function(self))

Swalloow

class Model:

    def __init__(self, data, target):
        self.data = data
        self.target = target
        self._prediction = None
        self._optimize = None
        self._error = None

    @property

Swalloow

class Model:

    def __init__(self, data, target):
        data_size = int(data.get_shape()[1])
        target_size = int(target.get_shape()[1])
        weight = tf.Variable(tf.truncated_normal([data_size, target_size]))
        bias = tf.Variable(tf.constant(0.1, shape=[target_size]))
        incoming = tf.matmul(data, weight) + bias
        self._prediction = tf.nn.softmax(incoming)
        cross_entropy = -tf.reduce_sum(target, tf.log(self._prediction))

Swalloow

class array(object) :
    """Simple Array object that support autodiff."""
    def __init__(self, value, name=None):
        self.value = value
        if name:
            self.grad = lambda g : {name : g}

    def __add__(self, other):
        assert isinstance(other, int)
        ret = array(self.value + other)

Swalloow

" Don't try to be vi compatible
set nocompatible

" Helps force plugins to load correctly when it is turned back on below
filetype off

" Load plugins here (pathogen or vundle)
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
Plugin 'VundleVim/Vundle.vim'

Swalloow

from pyspark.sql import SparkSession
from pyspark.sql.functions import *
from pyspark.sql.types import *
from pyspark.ml.feature import StringIndexer


def preprocess_age(age):
    if age > 70 or age < 5:
        return -1
    else:

Swalloow

# Default system properties included when running spark-submit.
# This is useful for setting default environmental settings.

# Example:
# spark.master                     spark://master:7077
spark.eventLog.enabled           true
spark.eventLog.dir               file:///home/ozawa/sparkeventlogs
# spark.serializer                 org.apache.spark.serializer.KryoSerializer
# spark.driver.memory              5g
# spark.executor.extraJavaOptions  -XX:+PrintGCDetails -Dkey=value -Dnumbers="one two three"

Swalloow

From flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, world!'

if __name__ == '__main__':
    app.run(debug=True,host='0.0.0.0')

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//package org.myorg;
import java.io.IOException;
import java.util.*;

import org.apache.hadoop.fs.Path;
import org.apache.hadoop.conf.*;
import org.apache.hadoop.io.*;
import org.apache.hadoop.mapred.*;
import org.apache.hadoop.util.*;