kou

set_background("black")
match(SlideElement) do |slides|
  slides.each do |slide|
    raw_page = slide.instance_variable_get(:@page).instance_variable_get(:@page)
    width, height = raw_page.size
    width_ratio = canvas.width.to_f / width.to_f
    height_ratio = canvas.height.to_f / height.to_f
    unless width_ratio == height_ratio
      if width_ratio > height_ratio
        width_margin = canvas.width - (width * height_ratio)

kou

Index: envutil.rb
===================================================================
--- envutil.rb	(revision 48187)
+++ envutil.rb	(working copy)
@@ -400,8 +400,11 @@
 
       def assert_warning(pat, msg = nil)
         stderr = EnvUtil.verbose_warning { yield }
-        msg = message(msg) {diff pat, stderr}
-        assert(pat === stderr, msg)

kou

DROP DATABASE IF EXISTS mroonga;
CREATE DATABASE mroonga;

USE mroonga;
SET NAMES utf8mb4;

CREATE TABLE entries (
  id INT NOT NULL PRIMARY KEY,
  text1 TEXT NOT NULL,
  text2 TEXT NOT NULL,

kou

CREATE TABLE articles (
  blog_id int,
  article_id int,
  unique key (blog_id, article_id)
) engine = mroonga default charset = utf8;

INSERT INTO articles VALUES (1, 100);
UPDATE articles SET blog_id = 2;

SELECT * FROM articles;

kou

SHOW CREATE TABLE ${テーブル名};

SELECT mroonga_command("normalizer_list");

SELECT mroonga_command("table_list");

SELECT mroonga_command("normalize NormalizerMySQLUnicodeCIExceptKanaCIKanaWithVoicedSoundMark アクセシビリティ");

kou

FLUSH STATUS;

SET NAMES UTF8;
CREATE TABLE logs(
  title TEXT,
  content LONGTEXT,
  a TINYINT,
  b DATETIME,
  c INT,
  d DOUBLE,

kou

CPU:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 58
model name	: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
stepping	: 9
cpu MHz		: 3392.937
cache size	: 6144 KB
fpu		: yes

kou

from gi.repository import Groonga

Groonga.init()
context = Groonga.Context()
del context
Groonga.fin()

kou

commit-email.infoで mruby, CRuby, Ruby on Rails のコミットメール（色付きdiff入り）を配信している。配信にはQuickMLを使っているので次のメールを送るとsubscribeできる。

mrubyの場合:

To: mruby@ml.commit-email.info
Cc: null@commit-email.info
Subject: Subscribe
--
Subscribe

kou

@preformatted_keep_in_size = false
@syntax_highlighting_keep_in_size = false
include_theme("default")

match("**", PreformattedBlock) do |blocks|
  blocks.prop_set("size", @xx_small_font_size)
  blocks.wrap_mode = :char
  blocks.margin_right = screen_x(7)
end