jcromartie

(defn fibs
  ; this is the doc string
  "Returns a lazy sequence of all the Fibonacci numbers."
  ; this is the argument list
  []
  ; map takes a function and a seq and returns a lazy seq where the function is
  ; applied to each element of the input seq... since it's lazy you can do this
  ; with infinite sequences
  (map
   ; first is the function argument to map, and it just returns the first element of a collection

jcromartie

- (void)setEditing:(BOOL)editing animated:(BOOL)animated {
    [super setEditing:editing animated:animated];
    [self.tableView reloadData];
}

jcromartie

(import 'java.security.MessageDigest)

(defn bytes-str
  "Does what it says on the tin"
  [byte-array]
  (apply str (map #(format "%02x" (bit-and % 0xff)) byte-array)))

(defn sha-hash
  "Returns the SHA hash of string s"
  [s]

jcromartie

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv) {
  if (!isatty(1)) {
    printf("thanks for piping me, dude\n");
  } else {
    printf("oh good, I'm not piped\n");
  }

jcromartie

(defn bytes-used
  "Returns bytes used by Java VM (after collecting garbage)"
  []
  (let [rt (Runtime/getRuntime)]
    (dotimes [_ 5] (System/gc))
    (- (.totalMemory rt) (.freeMemory rt))))

(defmacro mime
  "Measures and prints the bytes used while evaluating expr (returns result of expr)"
  [expr]

jcromartie

BUNDLE="$1"
TIMETAG=`date +%y%m%d%H%M`
OUT="$2-$TIMETAG.ipa"

if [ $# -ne 2 ] || [ ! -d "$BUNDLE" ]
then
  echo 'Usage: mkipa <path_to_app_bundle> <output_ipa_name>'
  echo 'Example: mkipa build/Distribution\ (Ad\ Hoc)-iphoneos/MyApp.app MyAppAdHoc'
else
  if [ ! -f "$BUNDLE/Entitlements.plist" ]

jcromartie

; creating a seq of prime numbers should *NOT* be this easy!
; this has been around since Java 5, apparently

(defn prime-seq
  "Returns a lazy seq of primes (optionally starting from n)"
  ([] (prime-seq 0))
  ([n] (let [next-prime #(.nextProbablePrime %)]
	 (iterate next-prime (next-prime (bigint n))))))

jcromartie

var val1 = (new Object()).foo == undefined; // true
var undefined = "lol wut";
var val2 = (new Object()).foo == undefined; // false

jcromartie

Process:         coreservicesd [45]
Path:            /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/Support/coreservicesd
Identifier:      coreservicesd
Version:         ??? (???)
Code Type:       X86-64 (Native)
Parent Process:  launchd [1]

Date/Time:       2009-11-09 10:53:22.766 -0500
OS Version:      Mac OS X 10.6.1 (10B504)
Report Version:  6

jcromartie

SUFFIX=`date "+%Y%m%d"`
OUTFILE=~/Desktop/"daily-report-$SUFFIX.txt"
(git log -U0 'HEAD@{12 hours ago}..' -- Classes/ | grep -Ev '^(\+\+\+|\-\-\-|diff|@@|index)') > $OUTFILE