View spark_dataframe_to_single_file_csv_using_hdfs.py
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import subprocess | |
def write_to_local_fs(df): | |
""" | |
This method writes to local filesystem efficiently without using coalesce or repartition. | |
The idea is to persist data in cluster format in hdfs (or whatever file storage) and write to local file system. | |
Write header to the file in the local file system | |
:param: df: the dataframe being sent as argument | |
""" |
View regex_matcher.js
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(function($) { | |
$.fn.regexFinder = function(text) { | |
/* | |
Phone number formats | |
XXX-XXX-XXXX | |
XXX.XXX.XXXX | |
XXX XXX XXXX | |
*/ | |
var cc_re = /(?:4[0-9]{12}(?:[0-9]{3})?|[25][1-7][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11})/g; | |
var date_re = /\d{2}\/\d{4}/g; |
View combinations_substring.py
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import itertools | |
def yieldSubset(s): | |
return sorted(list(set([''.join(c) for i in range(len(s)+1) for c in itertools.combinations(s, i) if c]))) |
View smallest_multiple.py
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import fractions | |
def smallest_multiple( n): | |
return reduce(lambda x, y: x*y/fractions.gcd(x, y), range(2, n+1)) |
View console_log_ie_fix.js
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;(function () { | |
// console.log statements cause issues in Internet Explorer <= 9. | |
// This piece of code prevents the application to fail | |
// Source for console: https://developer.mozilla.org/en-US/docs/Web/API/Console | |
var fns = [ | |
"assert", | |
"count", | |
"debug", | |
"dir", | |
"dirxml", |
View handler_500.py
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from django.views.debug import technical_500_response | |
from django.views.defaults import server_error | |
def server_error_handler(request): | |
ip_address = request.META.get("HTTP_X_FORWARDED_FOR", request.META.get("REMOTE_ADDR")) | |
if ip_address in settings.ALLOWED_IPS_FOR_DEBUG_SCREEN: #or request.user.is_staff | |
return technical_500_response(request, *sys.exc_info()) | |
return server_error(request) |
View seconds_to_string
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def secondsToStr(t): | |
''' | |
This snippet converts the time elapsed in | |
seconds to HH:MM:SS.mmm | |
Example: | |
>>> secondsToStr(123456) | |
'34:17:36.000' | |
''' |
View functools_partials.py
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''' | |
This is an example of functools.partials | |
Typical usage is when you have a function that needs multiple parameters, | |
of which one is a constant, you can use a partial. | |
Example: | |
Return only the values in an iterable which match the regex 'c.t' where . is a single character. | |
Input: | |
['cat', 'cut', 'abc', 'def'] |
View migrations.py
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# -*- coding: utf-8 -*- | |
import datetime | |
from south.db import db | |
from south.v2 import DataMigration | |
from django.db import models | |
class Migration(DataMigration): | |
def forwards(self, orm): | |
db.start_transaction() |
View sunsigns.py
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#models.py | |
CAPRICORN = 'Capricorn' | |
AQUARIUS = 'Aquarius' | |
PISCES = 'Pisces' | |
ARIES = 'Aries' | |
TAURUS = 'Taurus' | |
GEMINI = 'Gemini' | |
CANCER = 'Cancer' | |
LEO = 'Leo' |
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