$gem install memcached
...
rlibmemcached_wrap.c: In function ‘_wrap_MemcachedSt_sasl_callbacks_set’:
rlibmemcached_wrap.c:6669: error: ‘sasl_callback_t’ undeclared (first use in this function)
rlibmemcached_wrap.c:6669: error: (Each undeclared identifier is reported only once
rlibmemcached_wrap.c:6669: error: for each function it appears in.)
rlibmemcached_wrap.c:6669: error: ‘arg2’ undeclared (first use in this function)
rlibmemcached_wrap.c:6669: error: expected expression before ‘)’ token
rlibmemcached_wrap.c:6687: error: expected expression before ‘)’ token
rlibmemcached_wrap.c:6688: error: ‘struct memcached_st’ has no member named ‘sasl_callbacks’
rlibmemcached_wrap.c:6688: error: expected ‘)’ before ‘const’
rlibmemcached_wrap.c:6688: error: expected ‘;’ before ‘arg2’
rlibmemcached_wrap.c: In function ‘_wrap_MemcachedSt_sasl_callbacks_get’:
rlibmemcached_wrap.c:6700: error: ‘sasl_callback_t’ undeclared (first use in this function)
rlibmemcached_wrap.c:6700: error: ‘result’ undeclared (first use in this function)
rlibmemcached_wrap.c:6711: error: expected expression before ‘)’ token
rlibmemcached_wrap.c:6711: error: ‘struct memcached_st’ has no member named ‘sasl_callbacks’
rlibmemcached_wrap.c: In function ‘_wrap_memcached_set_sasl_callbacks’:
rlibmemcached_wrap.c:12021: error: ‘sasl_callback_t’ undeclared (first use in this function)
rlibmemcached_wrap.c:12021: error: ‘arg2’ undeclared (first use in this function)
rlibmemcached_wrap.c:12021: error: expected expression before ‘)’ token
rlibmemcached_wrap.c:12039: error: expected expression before ‘)’ token
rlibmemcached_wrap.c:12040: error: expected ‘)’ before ‘const’
rlibmemcached_wrap.c:12040: error: expected ‘)’ before ‘arg2’
rlibmemcached_wrap.c: In function ‘_wrap_memcached_get_sasl_callbacks’:
rlibmemcached_wrap.c:12122: error: ‘sasl_callback_t’ undeclared (first use in this function)
rlibmemcached_wrap.c:12122: error: ‘result’ undeclared (first use in this function)
rlibmemcached_wrap.c:12133: error: expected expression before ‘)’ token
rlibmemcached_wrap.c: In function ‘Init_rlibmemcached’:
rlibmemcached_wrap.c:13285: error: ‘SASL_OK’ undeclared (first use in this function)
make: *** [rlibmemcached_wrap.o] Error 1

$ gem clean memcached

$ yum install cyrus-sasl2 cyrus-sasl-devel

$ apt-get install libsasl2-2 libsasl2-dev

require_once 'lib/rss_fetch.inc';

$twit_feed = 'http://twitter.com/statuses/user_timeline/********.rss';
$twit_rss = fetch_rss($twit_feed);

$max = 20;
$cnt = 0;

echo "<ul>";
foreach($twit_rss->items as $item){
  $cnt++;
  if($cnt > $max)break;
  $title = htmlspecialchars($item['title']);
  if(preg_match("/^tjun: @/", $title))continue;
  $url = htmlspecialchars($item['link']);
  echo "  <li><a href=\"$url\">$title</a></li>\n";
}
echo "</ul>";

  if(preg_match("/^tjun: @/", $title))continue;

• kyoto tycoonをcentosにセットアップ | tjun memo

Kyoto Tycoonの起動

ktserver -plsv /usr/local/libexec/ktplugservmemc.so -plex 'port=22222' test.kch

• User_Guide – xmemcached – User Guide Version 0.3 – Extreme performance modern memcached client for java – Google Project Hosting

Xmemcachedのダウンロード

String hostname = "localhost";
String port = "22222";
int expiration_time = 0;

XMemcachedClientBuilder builder = new XMemcachedClientBuilder(
        AddrUtil.getAddresses(hostname + ":" + port));
builder.setTranscoder(new TokyoTyrantTranscoder());
MemcachedClient client = builder.build();

ArrayList<String> keylist = new ArrayList<String>();

try{
    // set data
    System.out.println("set data");
　　　    for(Integer i = 0; i != 5; i++){
　　　　    String value = "value" + i;
        client.set(i.toString() , expiration_time, value);
        keylist.add(i.toString());
    }    

    // get data

    // bulk get
    System.out.println("bulk get");
    Map<String, Object> valuemap = client.get(keylist);
    for(Integer i =0; i != 5; i++){
        System.out.println(valuemap.get(keylist.get(i)));            
    }

    // single get
    System.out.println("single get");
    for(Integer i=0; i != 5; i++){
        String value = client.get(i.toString());
        System.out.println(value);
    }

　　　　// delete data
        System.out.println("delete data from db");

    for(Integer i=0; i != 5; i++){
        client.delete(i.toString());
    }

} catch (TimeoutException e) {
    // memcached operation timeout
    e.printStackTrace();
} catch (InterruptedException e) {
    // ignore
    //e.printStackTrace();
} catch (MemcachedException e) {
    // memcached operation fail
    e.printStackTrace();
}

前準備

sudo yum install gcc44 gcc44-c++ boost-devel zlib-devel
(libbzip2も必要かも)

kyoto cabinetインストール

wget http://fallabs.com/kyotocabinet/pkg/kyotocabinet-1.2.70.tar.gz
tar zxf kyotocabinet-1.2.70.tar.gz 
cd kyotocabinet-1.2.70
./configure CC=gcc44 CXX=g++44
make
sudo make install

sudo ldconfig

kyoto tycoonのインストール

wget http://fallabs.com/kyototycoon/pkg/kyototycoon-0.9.52.tar.gz
tar zxf kyototycoon-0.9.52.tar.gz 
cd kyototycoon-0.9.52
./configure CC=gcc44 CXX=g++44
make 
sudo make install
sudo ldconfig

kyoto tycoonの起動

ktserver -plsv /usr/local/libexec/ktplugservmemc.so -plex 'port=22222'

ktserver -plsv /usr/local/libexec/ktplugservmemc.so -plex 'port=22222' [db filename]

ktserver -plsv /usr/local/libexec/ktplugservmemc.so -plex 'port=22222' test.kch

• 開発メモ: Kyoto Tycoonベータ版リリースすた
• Kyoto Tycoon Guide in Japanese
• FreeBSDでKyotoTycoonを使ってみた｜perl｜@OMAKASE

• Kestrelをcentosにセットアップ | tjun memo

• User_Guide – xmemcached – User Guide Version 0.3 – Extreme performance modern memcached client for java – Google Project Hosting

Xmemcachedのダウンロード

プログラム例

import net.rubyeye.xmemcached.MemcachedClient;
import net.rubyeye.xmemcached.XMemcachedClientBuilder;
import net.rubyeye.xmemcached.command.KestrelCommandFactory;
import net.rubyeye.xmemcached.exception.MemcachedException;
import net.rubyeye.xmemcached.utils.AddrUtil;

(略)
{
    private XMemcachedClientBuilder builder = null;
    private MemcachedClient client = null;
    int expirationTime = 0;
    String queueName = "test";
    Striing host = "localhost";
    int port = "22133";
  
    builder = new XMemcachedClientBuilder(AddrUtil.getAddresses(host + ":" + port));
    builder.setCommandFactory(new KestrelCommandFactory());
    client = builder.build();

    client.set(queueName, expirationTime, "hello");

    String res = client.get(queueName);
    System.out.println(res);
}

• Getting_Started – xmemcached – Extreme performance modern memcached client for java – Google Project Hosting

$ java -version

export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

$ source ~/.bashrc

cannot find jni.h in /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/include.

$ cd $JAVA_HOME
$ sudo ln -s /Developer/SDKs/MacOSX10.7.sdk/System/Library/Frameworks/JavaVM.framework/Versions/A/Headers ./include

インストール

gem install hugeurl

使い方

require 'rubygems'
require 'hugeurl'
puts URI.parse("http://bit.ly/iZhgER").to_huge

参考にしたサイト

• 橋本商会 » hugeurlというgemを作った
• shokai/hugeurl – GitHub
• hugeurl | RubyGems.org | your community gem host

• Rails 3 with Mongoid and OmniAuth – GitHub
• Ruby on Rails CommunityGuides: Omniauth pure: Authentication with Facebook, Google, Google Apps, Twitter, Github, AOL, MyOpenID, …
• taksatouの日記: twitterやfacebookのOAuthをつかってrails+omniauthでログイン機能を実装するメモ その１

• Ruby on Rails on Ubuntu 11.04 | 嘘つき女

$ sudo apt-get install gcc build-essential
$ sudo apt-get install bison byacc gperf zlib1g-dev libssl-dev
$ sudo apt-get install libreadline5 libreadline5-dev libncurses5 libncurses5-dev sqlite3 libsqlite3-dev curl

$ bash < <(curl -s https://rvm.beginrescueend.com/releases/rvm-install-head )

# This loads RVM into a shell session.
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"

$ rvm install 1.8.7
$ rvm install 1.9.1
$ rvm default use 1.8.7
切り替えは
$ rvm use 1.9.1

$ rvm gemset create rails2
$ rvm gemset create rails3
$ rvm gemset use rails2
$ gem install rails -v 2.3.11
$ rvm gemset use rail3
$ gem install hoe
$ gem install rdoc-data
$ gem install rails -v 3.0.7

切り替えは、
$ rvm gemset use rail2
$ rvm gemset use rail3
$ rvm gemset use global