kazuho

$ perl -Ilib benchmark/simple.pl http://127.0.0.1/icons/apache_pb.gif
3b5ddd008f7ab078b42c5fbbf1861a715dee8da3
Perl/5.8.8 on i386-linux-thread-multi
Furl/0.21, LWP/5.837, WWW::Curl/4.15, HTTP::Lite/2.3, libcurl[libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5]
--
Connection: close
Date: Thu, 20 Jan 2011 08:57:10 GMT
Accept-Ranges: bytes
ETag: "3803e-916-4c23b600"
Server: Apache/2.2.3 (CentOS)

riywo

find /path/to/dir/ -type f | time parallel --eta 'rsync -aRz --compress-level=1  {} remote:/'

riywo

tail -fみたいに流しながら見たいんだけど、色んなコマンドが出力をバッファしちゃうので、困ったときはそのコマンドにバッファしないオプションが無いか探すのがオヌヌメ。 man command -> bufferとかで検索

grep

   --line-buffered
          Use line buffering, it can be a performance penality.

$ iostat -x 1 | grep --line-buffered 'sda'

awk

hidek

use strict;
use warnings;

use Plack::Request;
use Plack::Response;
use LWP::UserAgent;
use URI;
use JSON;
use Encode;

mattn

# twty -h
Usage of twty:
  -f ID: specify favorite ID
  -i ID: specify in-reply ID, if not specify text, it will be RT.
  -l USER/LIST: show list's timeline (ex: mattn_jp/subtech)
  -u USER: show user's timeline
  -r: show replies
  -v: detail display

# twty

mattn

==============================================================================
入力支援記法:                                                 *hatena_edit_rule*

------------------------------------------------------------------------------
見出し記法
>
  *～～
<
  日記に見出し（h3）を付けます

mattn

package main

func main() {
  println([]int("あいうえお")[1] == 'い') // true
  println([]byte("あいうえお")[2] == 130) // true
}

kazeburo

#!/usr/bin/env perl

package RangeFile;

use strict;
use warnings;
use 5.10.0;
use Fcntl qw/:seek/;
use parent qw/Exporter/;

kamipo

-- before query
EXPLAIN
 SELECT a.id, a.title
 FROM comment c
 INNER JOIN article a ON c.article = a.id
 GROUP BY a.id ORDER BY MAX(c.created_at) DESC LIMIT 10; 


-- alter table
ALTER TABLE article

mattn

  ___                      _____ _              _ _
 / _ \  ___  _ __  ___    |  ___(_)_  _____  __| | |
| | | |/ _ \| '_ \/ __|   | |_  | \ \/ / _ \/ _` | |
| |_| | (_) | |_) \__ \_  |  _| | |>  <  __/ (_| |_|
 \___/ \___/| .__/|___(_) |_|   |_/_/\_\___|\__,_(_)
            |_|