matope

Dynamo: Amazonの高可用性Key-value Store[和訳]

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原題：Dynamo: Amazon’s Highly Available Key-value Store

原文: Amazon's Dynamo - All Things Distributed (PDF Version)

This article is translated by @ono_matope. Please contact me if any problem.

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ainame

;; 組み込みしたいもの達
(define true #t)
(define false #f)
(define null '())
(define (make-table)
  (let ((local-table (list '*table*)))
    (define (lookup key-1 key-2)
      (let ((subtable (assoc key-1 (cdr local-table))))
	(if subtable 

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

sorah

module Amida
  EMPTY = "   "
  LINE = "---"

  def self.amida(member, line_wo_member = 2, fillness=5)
    people = ('A'..'Z').take(member)
    hit = people.sample
    line = member + line_wo_member
    atari = rand(people.size)

henrik

# Start by checking if they fixed it upstream:

brew update
brew upgrade reattach-to-user-namespace 

# If it says it's already installed, they haven't fixed it upstream. So do this:

# Edit the recipe:
brew edit reattach-to-user-namespace

melborne

Lack is a minified Rack just for study.

ktym

#!/usr/bin/env ruby

require "rubygems"
require "net/http"
require "uri"
require "cgi"
require "json"  # gem install json

class SPARQL

choplin

nnoremap <buffer> <SID>[ghcmod] <Nop>
nmap <buffer> <Leader>h <SID>[ghcmod]
nnoremap <buffer> <silent> <SID>[ghcmod]y :<C-u>call <SID>paste_type_signature()<CR>

function! s:paste_type_signature()
  try
    let signature = expand('<cword>').' :: '.ghcmod#type()[1]
  catch
    return
  endtry

kana

:function! F()
    let xs = [2]
    let i = 3
    while len(xs) < 100
        if empty(filter(copy(xs), 'i % v:val == 0'))
            call add(xs, i)
        endif
        let i += 1
    endwhile
    put =xs

mizchi

#! /usr/bin/env ruby
require "rubygems"
require "rb-skypemac"
require "readline"
include SkypeMac

def get_channels
  res = Skype.send_(:command => "SEARCH RECENTCHATS")
  res.sub! "CHATS ", ""
  channels = res.split(", ")