seantalts

import time

input = ['a', 'b', 'c', 'd', 'e', 'f']
iterations = 1000000

start = time.time()
for i in xrange(iterations):
    s = dict([(x.lower(), i) for i, x in enumerate(input)])
end = time.time()
print "First thing took %s seconds" % (end - start)

seantalts

feed_insights=# explain  select count(distinct(user_id)) from interests where keywords in (select keywords from interests group by keywords having count(*) > 30);
                                            QUERY PLAN                                             
---------------------------------------------------------------------------------------------------
Aggregate  (cost=2232807.48..2232807.49 rows=1 width=4)
   ->  Hash Join  (cost=1780566.44..2221413.32 rows=4557663 width=4)
         Hash Cond: (public.interests.keywords = public.interests.keywords)
         ->  Seq Scan on interests  (cost=0.00..172441.36 rows=9188836 width=19)
         ->  Hash  (cost=1778239.13..1778239.13 rows=133865 width=15)
               ->  GroupAggregate  (cost=1706310.89..1776900.48 rows=133865 width=15)
                     Filter: (count(*) > 30)

seantalts

>>> def greets(function):
...   def greets_wrapper(*args, **kwargs):
...     print "hi there, ", function
...     return function(*args, **kwargs)
...   return greets_wrapper
... 
>>> @greets
... def add(num1, num2):
...   return num1 + num2
... 

seantalts

(**

* OCaml for the Curious 

  An Introductory tutorial in OCaml
  Compiled by Prasad Rao (raoprasadv AT gmail DOT com)
  Compiled together from various sources.

As this material is introductory
  _None_ of this material is likely to be original. I thank 

seantalts

package httptimeout

import (
	"net/http"
	"time"
	"fmt"
)

type TimeoutTransport struct {
	http.Transport

seantalts

2014-05-31 19:24:29,346 WARN : org.graylog2.rest.resources.search.SearchResource - Unable to execute search: Failed to execute phase [query], all shards failed; shardFailures {[QuBZzG4dRFK2NpQkn3BFlg][graylog2_0][0]: RemoteTransportException[[Leap-Frog][inet[/10.102.144.101:9300]][search/phase/query]]; nested: SearchParseException[[graylog2_0][0]: from[0],size[100]: Parse Failure [Failed to parse source [{"from":0,"size":100,"query":{"query_string":{"query":"column \\\"product_id\\\" of relation \\\"cart_records\\\" does not exist\" P:\"61\"","allow_leading_wildcard":false}},"post_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-05-31 18:24:29.330","to":"2014-05-31 19:24:29.330","include_lower":true,"include_upper":true}}}}},"sort":[{"timestamp":{"order":"desc"}}]}]]]; nested: QueryParsingException[[graylog2_0] Failed to parse query [column \"product_id\" of relation \"cart_records\" does not exist" P:"61"]]; nested: ParseException[Cannot parse 'column \"product_id\" of relation \"cart_records\" do

seantalts

import re

def lex(s):
    return re.findall("(\(|\)|[\w\*\+\-]+)", s)

def get_ast(tokens):
    ast = []
    while tokens:
        t = tokens.pop(0)
        if t == '(':

seantalts

module Bear (main, findMinSubStr) where
import qualified Data.Map.Strict as Map
import qualified Data.List as List
import qualified Data.ByteString as BS
import Data.Maybe (fromMaybe)
import Data.ByteString.Char8 (readInt)
import GHC.Word (Word8)

type CharFreq = Map.Map Word8 Int

seantalts

dim mat = (length mat, length (head mat))

subMats mat (height, width) =
    [trimmed | r <- [0..rows]
      , c <- [0..columns]
      , let vertTrimmed = take height (drop r mat)
            trimmed = map (take width . drop c) vertTrimmed
      , length trimmed == height
      , length (head trimmed) == width]
    where (rows, columns) = dim mat

seantalts

{-# LANGUAGE ScopedTypeVariables #-}

module BinarySearch where

import Data.Array

binarySearch :: (Ord a1) => Array Int a1 -> a1 -> Int -> Int -> Maybe Int
binarySearch haystack needle lo hi
  | hi < lo = Nothing
  | pivot > needle  = binarySearch haystack needle lo (mid-1)