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def hamming_dist(str1, str2, case_sensitive=False):
    """
    Count the amount of differences between two strings
    """
    if case_sensitive != True:
        str1 = str1.lower()
        str2 = str2.lower()

    # string lengths
    l1 = len(str1)

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def validate_url(url):
    """
    validates a homepage
    string url: the url to validate
    string return: the validate url or ""
    """
    regex = re.compile(
        r'^((?:http|http|ftp)s?://|www\.)' # http:// or https:// or ftp
        r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' #domain...
        r'localhost|' #localhost...

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base_dict = {"a": "python", "b": "python", "c": "swift"}

# build a reversed multidict (values becomes keys, keys become (tuple) key(s)
rev_multidict = {}
for key, value in base_dict.iteritems():
    rev_multidict.setdefault(value, set()).add(key)

for key, value in rev_multidict.iteritems():
    if len(value) > 1:
        # item with duplicated value (key)

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text = u"ruby coding with textmate"

rep = {
      u"ruby": "python",
      u"textmate": "vim"
      }

rep = dict((re.escape(k), v) for k, v in rep.iteritems())
pattern = re.compile(ur"|".join(rep.keys()), re.UNICODE)
text = pattern.sub(lambda m: rep[re.escape(m.group(0))], text)

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def split_email_addr(email_address):
    """
    split email addresses
    string email_address: the mail address with the schema "[email protected]"
    dict return: the parts of the email address or a empty dict if the schema is wrong
    """
    pattern = r"(^[a-zA-Z0-9_]+).([a-zA-Z0-9_]+)@([a-zA-Z0-9-]+).([a-zA-Z0-9-\.]+$)"
    match = re.search(pattern, email_address)

    if not match:

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#!/usr/local/bin/python

from sys import stdin
from os import popen, system
from subprocess import check_output

logo = """
   ___     __    _____                    _   _
  / __\   / /    \_   \   /\/\     __ _  (_) | |      _ __    _   _
 / /     / /      / /\/  /    \   / _` | | | | |     | '_ \  | | | |

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misc

<Ctrl-a> ... increase the number under the cursor (in normal mode)
<Ctrl-x> ... decrease the number under the cursor (in normal mode)

movement

H .......... (H)igh: Jump to the top of the screen
M .......... (M)iddle: Jump to the middle of the screen

L .......... (L)ow: Jump to the boottom of the screen

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import traceback

try:
    1 / 0
except Exception as exc:
    type_, value_, traceback_ = sys.exc_info()
    full_exc = traceback.format_exception(type_, value_, traceback_)
    self.logger.debug('%s %s' % (exc, full_exc))

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-- find duplicated values
SELECT
	address_line1, address_line2, zip, city, country, COUNT(*)
FROM
	location
GROUP BY
	address_line1, address_line2, zip, city, country
HAVING
	COUNT(*) > 1;

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PHP UTF-8

Apache configuration (in httpd.conf or .htaccess)

AddDefaultCharset utf-8

PHP (in php.ini)

default_charset = "utf-8"