paulcarey

val xs = List(1, 2, 3)

xs.??? => List(4, 5, 6)

xs.??? => List(1, -1, 2, -2, 3, -3)

paulcarey

def f(s: String) = {
  val xs = s.split("\n").map(_.split(","))
  val ys = xs.transpose.map(_.map(_.length).max)
  val zs = xs.map(_.zip(ys))
  val ls = zs.map(_.map { case (x,y) => x.padTo(y, ' ') }.mkString(" "))
  ls.mkString("\n")
}

val s = """aaa,b,cc
|a,bbbbb,c""".stripMargin

paulcarey

var counter = 0
var rdd = sc.parallelize(data)
rdd.foreach(x => counter += x)

paulcarey

scratch=# create table pairs (name varchar(5), value integer);
CREATE TABLE
scratch=# insert into pairs values ('a', 1);
INSERT 0 1
scratch=# insert into pairs values ('a', 1);
INSERT 0 1
scratch=# insert into pairs values ('a', 1);
INSERT 0 1
scratch=# insert into pairs values ('a', 11);
INSERT 0 1

paulcarey

Vim

Horizontal Split

Vanilla:

sp, ^W s, ^W S, ^W ^S

paulcarey

for JAR in $(ls *.jar); do echo $JAR; jar -tf $JAR | ack 'org.joda.time.DateTime' ; done;

paulcarey

require 'restclient'

# Create the list from the course page by running the following JavaScript
# snippet, and copying and paste the results in here. I _think_ the Content-Type
# of the pdfs prevents them from being downloaded directly in JavaScript.

# $('.course-lectures-list ul:eq(2) a[href$="pdf"]').map(function () { return $(this).attr('href') })

urls = ["https://d19vezwu8eufl6.cloudfront.net/compdata/slides%2Flecture3.pdf",
        "https://d19vezwu8eufl6.cloudfront.net/compdata/slides%2Ffunctions.pdf",

paulcarey

#!/bin/bash

# 
# This script serves as a useful base for generating a list of ignore-dirs 
# for ack. 
# It's slow to run (e.g. 30 sec on a 3000 file project on a 2010 MBA)
# and emits no output until complete.
#

# create the list of dirs tracked by git

paulcarey

data Tree a = Empty | Branch a (Tree a) (Tree a) deriving (Show, Eq)

breadthFirst :: (a -> b) -> Tree a -> [b]
breadthFirst f Empty = []
breadthFirst f t     = breadthFirst' f ([], [t])

breadthFirst' :: (a -> b) -> ([b], [Tree a]) -> [b]
breadthFirst' f (bs, []) = bs
breadthFirst' f (bs, as) = bs ++ breadthFirst' f  (bsForAs, nextAs)
  where (bsForAs, nextAs) = breadthFirst'' f as

paulcarey

javascript:(function%20()%20{%20var%20$%20=%20document.createElement('script');%20$.src%20=%20'http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js';%20$.type%20=%20'text/javascript';%20document.getElementsByTagName('head')[0].appendChild($);%20var%20_%20=%20document.createElement('script');%20_.src%20=%20'http://documentcloud.github.com/underscore/underscore-min.js';%20_.type%20=%20'text/javascript';%20document.getElementsByTagName('head')[0].appendChild(_);%20})()