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class String | |
def self.levenshtein(a, b) | |
case | |
when a.empty?: b.length | |
when b.empty?: a.length | |
else [(a[0] == b[0] ? 0 : 1) + levenshtein(a[1..-1], b[1..-1]), | |
1 + levenshtein(a[1..-1], b), | |
1 + levenshtein(a, b[1..-1])].min | |
end | |
end |
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int i=0; | |
unsigned int mc = 0; | |
Method* mlist = class_copyMethodList([MKMapView class], &mc); | |
NSLog(@"%d methods", mc); | |
for(i=0;i<mc;i++) | |
NSLog(@"Method no #%d: %s", i, sel_getName(method_getName(mlist[i]))); |
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(defn fetch [address f] | |
(with-open [rdr (BufferedInputStream. (.openStream (URL. address)))] | |
(with-open [wtr (FileOutputStream. (file-str f))] | |
(copy rdr wtr)))) |
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import org.apache.commons.lang.NotImplementedException; | |
import org.apache.hadoop.conf.Configuration; | |
import org.apache.hadoop.fs.*; | |
import org.apache.hadoop.fs.permission.FsPermission; | |
import org.apache.hadoop.util.Progressable; | |
import java.io.BufferedInputStream; | |
import java.io.IOException; | |
import java.io.InputStream; | |
import java.net.URI; | |
import java.net.URL; |
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(defn- exponential-smooth-recur | |
[current v factor] | |
(if (empty? v) | |
(rest current) | |
(letfn [(smooth | |
[y m] | |
(+ (* (- 1 factor) m) (* factor y)))] | |
(recur (conj current (smooth (first v) (last current))) (rest v) factor)))) | |
(defn exponential-smooth |
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(defn exponential-smooth-recur | |
[x f] | |
(letfn [(smoothed-val [m n f] | |
(+ | |
(* m (- 1 f)) | |
(* n f)))] | |
(reverse (lazy-seq | |
(loop [observed (rest x) smoothed (list (first x))] | |
(if (empty? observed) | |
smoothed |
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(use '(clojure.contrib sql)) | |
(def db { | |
:classname "org.apache.hadoop.hive.jdbc.HiveDriver" | |
:subprotocol "hive" | |
:subname "//hive-server:10000/default" | |
:user "" | |
:password ""}) | |
(try |
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require "rubygems" | |
require "mandy" | |
Mandy.job "Word Count" do | |
map_tasks 5 | |
reduce_tasks 3 | |
map do |line| | |
line.split(' ').each do |word| | |
word.downcase! |
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require "rubygems" | |
require "mandy" | |
Mandy.job "Word count" do | |
map do |line| | |
# code here | |
end | |
end |
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describe "Word Count" do | |
before(:all) do | |
job_name = "Word Count" | |
@runner = Mandy::TestRunner.new(job_name) | |
end | |
describe "mapper" do | |
it "splits on spaces and emits words" do | |
@runner.map("Fake carl") do |mapper| | |
mapper.should_receive(:emit).with('fake', 1) |
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