leedm777

/** Cute little function to take a random sample of a sequence. */
def randomSample(s:Seq[_]) = s filter { _ => util.Random.nextBoolean }

leedm777

(defn 
  #^{:doc "Clojure code to compute a Collatz sequence."}
  collatz [n] 
  (if (= n 1) 
      '(1) 
      (cons n 
            (collatz (if (= (mod n 2) 0) 
                         (/ n 2) 
                         (+ (* n 3) 1))))))

leedm777

stpcpy is a #define on Mac OS X.  Trying to define it as an extern is invalid.

diff -ur mcpp-2.7.2-orig/src/internal.H mcpp-2.7.2/src/internal.H
--- mcpp-2.7.2-orig/src/internal.H	2008-08-27 08:01:16.000000000 -0500
+++ mcpp-2.7.2/src/internal.H	2010-11-08 15:53:38.000000000 -0600
@@ -557,6 +557,6 @@
 #endif
 #endif
 
-#if HOST_HAVE_STPCPY

leedm777

# This goes in ~/.ssh/config.
# ssh is picky about file permissions, so be sure to
#  chmod 700 ~/.ssh
#  chmod 600 ~/.ssh/config

#
# Forward X11 and ssh-agent to trusted hosts.  Be sure to only do this for 
# *trusted* machines, otherwise you may fall victim to identity theft.
# See ssh man page for details.
#

leedm777

#!/bin/bash

#
# Copyright 2010 David M. Lee, II <leedm777@yahoo.com>
#
# This git update hook compares the author emails from commits with a
# whitelist stored in ${GIT_DIR}/author-whitelist.  If any commit has an
# author that is not whitelisted, the offending author's email is displayed
# then the update is rejected.
#

leedm777

// FizzBuzz in Scala
// http://www.codinghorror.com/blog/2007/02/why-cant-programmers-program.html
1 to 100 map {
  case x if x % 15 == 0 => "FizzBuzz"
  case x if x % 3 == 0 => "Fizz"
  case x if x % 5 == 0 => "Buzz"
  case x => x
} foreach (println _)

leedm777

#include <stdio.h>

int main() {
    printf("Goodbye, dmr.\n");
    return 0;
}

leedm777

trait Searchable {
  def search(query: SearchQuery): Seq[SearchResults]
}

trait PaginationWithNominalType {
  this: Searchable =>
  def page(query: SearchQuery, pageSize: Int, pageNum: Int) = {
    search(query).grouped(pageSize).toList(pageNum)
  }
}

leedm777

//create a map
val cars = Map("james" -> "BMW", "ike" -> "Infiniti", "stephen" -> "Buick")

//create a map from an Array
//Scala does not provide a convenience method to do this... :(
val carArray = Array("james", "BMW", "ike", "Infiniti", "stephen", "Buick")
val cars = carArray.grouped(2).toList.map(c => (c.head,c.last)).toMap

//mapping over a map
//transform all string keys to symbols (interned strings)

leedm777

#!/bin/bash

#
# Runs a program, stripping ANSI color codes from stdout and stderr
#

# detect which sed to use
if test -z ${SED}; then
  if cat /dev/null | sed -r '' 2> /dev/null ; then
      SED=sed