isaiah

package main

import (
	"bytes"
	"code.google.com/p/portaudio-go/portaudio"
	"encoding/binary"
	"fmt"
	"io"
	"log"
	"os"

isaiah

https://drive.google.com/open?id=1_pL0-pWX833hISo__Ho-Z3KkW-eePFsQ

isaiah

According to http://bugs.python.org/msg176429 from http://bugs.python.org/issue12370:

class C(A, B, metaclass=meta):
    def f(self):
        return __class__

To be compiled approximately like this:

isaiah

From b34d733deefac7fb7f96bf5408ae705c49e764fa Mon Sep 17 00:00:00 2001
From: Isaiah Peng <issaria@gmail.com>
Date: Fri, 4 Mar 2016 11:17:40 +0100
Subject: [PATCH 1/1] include jquery and materializecss for test

---
 karma.conf.js |  2 ++
 package.json  |  2 ++
 src/Select.js | 67 ++++++++++++++++++++++++++++++-----------------------------
 3 files changed, 38 insertions(+), 33 deletions(-)

isaiah

require 'fileutils'
require 'taglib'

NAME = "©nam"
Dir.glob("./**/*.m4a").each do |f|
  TagLib::MP4::File.open(f) do |mp4|
    name = mp4.tag.item_list_map[NAME]
    name = name.to_string_list.first
    dir = File.dirname(f)
    name = "#{dir}/#{name}.m4a"

isaiah

'atom-text-editor[data-grammar~="haskell"]':
  '': 'haskell-ghc-mod:check-file'
  '': 'haskell-ghc-mod:lint-file'
  'ctrl-alt-t': 'haskell-ghc-mod:show-type'
  'ctrl-alt-i': 'haskell-ghc-mod:show-info'
  'ctrl-alt-T': 'haskell-ghc-mod:insert-type'
  '': 'haskell-ghc-mod:show-info-fallback-to-type'
  'ctrl-alt-I': 'haskell-ghc-mod:insert-import'

'body':

isaiah

n = 100000

# taken from [here](http://blog.lojic.com/2008/12/22/ruby-dynamic-method-invocation-performance/), 
# but the original one use the same string all the time, which doesn't reflect real world situation

bm(12) {|x|
  x.report("orig") { n.times { test = "stormy weather"; test.length } }
  x.report("call") { n.times { test = "stormy weather"; m = test.method(:length); m.call } }
  x.report("send") { n.times { test = "stormy weather"; test.send(:length) } }
  x.report("eval") { n.times { test = "stormy weather"; eval "test.length" } }

isaiah

Problem

Sometimes you found that jruby always complain about cannot find class you defined in your precious java class, that jruby failed to load the Service that defines all the classes in ruby space.

How it work

Let's talk about the way jruby load native extension, take puma as an example, Assume you have 'puma/http11.jar' in your load path, with:

isaiah

require "rubygems"
require "hmac-sha1"
require "base64"

ankoder_access_key = ANKODER_ACCESS_KEY
private_key = ANKODER_PRIVATE_KEY
ankoder_date = Time.now.strftime("%a, %d %b %Y %X GMT")
ankoder_action = "POST"
ankoder_path = "/download"
string = "-#{ankoder_date}-#{ankoder_action}-#{ankoder_path}-"

isaiah

require "rubygems"
require "hmac-sha1"
require "base64"
ankoder_access_key = ANKODER_ACCESS_KEY
private_key = ANKODER_PRIVATE_KEY
ankoder_date = Time.now.strftime("%a, %d %b %Y %X GMT")
ankoder_action = "GET"
ankoder_path = "/video.xml"
string = "-#{ankoder_date}-#{ankoder_action}-#{ankoder_path}-"