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def list_objects_s3(s3_client, s3_bucket, s3_prefix):
    """List objects in S3 overcoming the limit of 1000 per usual request."""
    s3_paginator = s3_client.get_paginator('list_objects')
    page_iterator = s3_paginator.paginate(Bucket=s3_bucket, Prefix=s3_prefix)
    for page in page_iterator:
        object_list = page.get('Contents')
        for object in object_list:
            yield object

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# -*- coding: utf-8 -*-


def parse_dynamodb_dict(dynamodb_dict):

    def parse_value(value):
        value_mapper = {
            'S': unicode,
            'N': float,
            'B': str,

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import logging
logging.basicConfig()
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)


import os
from datetime import datetime
log_file_path = os.path.join(os.path.dirname(os.path.realpath(__name__)), 'logs', '{}.log'.format(datetime.utcnow().strftime('%Y%m')))

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a.update(b)

c = dict(a, **b)

# Items from b will override the ones from a if conflict

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from functools import wraps

def cache(func):
  saved = {}
  @wraps(func)
  def newfunc(*args):
    if args in saved:
      return saved[args]
    result = func(*args)
    saved[args] = result

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Install node.js from Node.js download page. npm comes installed with node.js but it gets updates more often. To get such updates:

npm install npm -g

npm ls
npm outdated

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Cross platform interface for virtualenv

Unless you use some Windows specific libraries; or an alternate Python implementation (like IronPython), there is nothing to worry about.

Many people (including myself) use Windows for development and deploy on Linux for production and use virtualenv for this purpose. It is designed to make your environment portable.

You don't push the entire virtualenv to Linux.

Once you have your virtual environment ready and your code is working, you should freeze the requirements for your application:

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import os

os.path.dirname(os.path.abspath(__file__))

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/* glyphicon spinning http://stackoverflow.com/a/26283602/3149679 */
.glyphicon.spinning {
	animation: spin 1s infinite linear;
	-webkit-animation: spin2 1s infinite linear;
}
@keyframes spin {
	from { transform: scale(1) rotate(0deg); }
	to { transform: scale(1) rotate(360deg); }
}
@-webkit-keyframes spin2 {

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m1 <- lm(I(log(price)) ~ I(carat^(1/3)), data = diamonds)
m2 <- update(m1, ~ . + carat)
m3 <- update(m2, ~ . + cut)
m4 <- update(m3, ~ . + color)
m5 <- update(m4, ~ . + clarity)
mtable(m1, m2, m3, m4, m5)


diamondsbig$logprice <- log(diamondsbig$price)
m1 <- lm(logprice ~ I(carat^(1/3)), diamondsbig[diamondsbig$price < 10000 & diamondsbig$cert == "GIA", ])