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Mike Wadhera mikewadhera

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mikewadhera / master-worker.go
Created December 18, 2011 03:40
example of master/worker pattern in Go (http://go-lang.org)
~/code/go/master-worker % ./master-worker
Sat Dec 17 19:43:08 PST 2011
Sat Dec 17 19:43:08 PST 2011
Sat Dec 17 19:43:08 PST 2011
Sat Dec 17 19:43:08 PST 2011
Sat Dec 17 19:43:08 PST 2011
Sat Dec 17 19:43:08 PST 2011
Sat Dec 17 19:43:08 PST 2011
Sat Dec 17 19:43:08 PST 2011
Sat Dec 17 19:43:08 PST 2011
@mikewadhera
mikewadhera / gist:1492136
Created December 18, 2011 02:13
~/code/go/master-worker % ls -l
total 16
-rw-r--r-- 1 mikewadhera staff 106 Dec 17 17:55 Makefile
-rw-r--r-- 1 mikewadhera staff 83 Dec 17 17:34 master-worker.go
~/code/go/master-worker % more Makefile
include $(GOROOT)/src/Make.inc
TARG=master-worker
GOFILES=master-worker.go
include $(GOROOT)/src/Make.pkg
@mikewadhera
mikewadhera / emitter.rb
Created November 3, 2011 04:57
class Emitter
def initialize(&block)
@block = block
end
def run(nodes, &block)
nodes.each do |id, node|
block.call(Fiber.new {
@block.call(id, node, self)
@mikewadhera
mikewadhera / curry.rb
Created October 4, 2011 21:21
Currying in ruby 1.8
class Proc
def curry(*args)
if args.size < self.arity
args_string = ('a'..'z').take(self.arity-args.size).join(',')
given_args = []
args.size.times {|i| given_args << "args[#{i}]"}
given_args = given_args.join(", ")
eval "lambda {|#{args_string}| self.call(#{given_args}, #{args_string})}"
elsif args.size > self.arity
raise ArgumentError, "Wrong # of arguments to curried function(#{args.size} for #{self.arity.size})"
@mikewadhera
mikewadhera / gist:1254424
Created September 30, 2011 17:27
lazy_reduce.rb
require 'fiber'
# lazy_reduce([1,2,3], 0) { |o,m| o + m } # => 6
def lazy_reduce(enumerable, memo, &block)
generator = Fiber.new { enumerable.each { |o| Fiber.yield(o) } }
loop do
if generator.alive?
memo = block.call(generator.resume, memo)
else
@mikewadhera
mikewadhera / Sample Output
Created September 15, 2011 19:37
Doing: BitlyProvider
mkdir -p /Users/mikewadhera/code/involver-rails/app/models/short_url_provider
mv /Users/mikewadhera/code/involver-rails/app/models/url_providers/bitly_provider.rb -> /Users/mikewadhera/code/involver-rails/app/models/short_url_provider/bitly_provider.rb
Doing: ShortUrlProvider
mkdir -p /Users/mikewadhera/code/involver-rails/app/models
mv /Users/mikewadhera/code/involver-rails/app/models/url_providers/short_url_provider.rb -> /Users/mikewadhera/code/involver-rails/app/models/short_url_provider.rb
Doing: User
mkdir -p /Users/mikewadhera/code/involver-rails/app/models
mv /Users/mikewadhera/code/involver-rails/app/models/user.rb -> /Users/mikewadhera/code/involver-rails/app/models/user.rb
Doing: UserError
@mikewadhera
mikewadhera / file_organizer.rb
Created September 15, 2011 07:47
class FileOrganizer
def initialize(root, home, debug=false)
@root = root
@home = home
@debug = debug
end
def organize_by_class_lineage(klass, current_path, lineage=[])
case klass.parent
@mikewadhera
mikewadhera / gist:1079168
Created July 12, 2011 22:44
~/code/queueable % file_logging? script/console
Loading queueable gem
jruby-1.5.2 :001 > RAILS_ROOT = "."
=> "."
jruby-1.5.2 :002 > class F < Queueable::Tasks
jruby-1.5.2 :003?> self.backend = :file
jruby-1.5.2 :004?> self.queue = "pending/test.log"
jruby-1.5.2 :005?> def echo(arg)
@mikewadhera
mikewadhera / gist:908850
Created April 7, 2011 22:03
{{ foo }}
{% bar baz: "string" %}
@mikewadhera
mikewadhera / gist:899964
Created April 2, 2011 22:24
// Abstract Types and for loop
object Iterables {
def filter[T](all: Iterable[T], predicate: T => Boolean) : Iterable[T] = {
for {
t <- all;
if predicate(t)
} yield t
}