A self-contained installer that includes the Ruby language, dozens of popular extensions, a syntax-highlighting editor and the book "Programming Ruby: The Pragmatic Programmer's Guide". Platforms: Windows NT/2000/XP. Development Status: 5 - Production/Stable Environment: Win32 (MS Windows) Intended Audience: Developers, End Users/Desktop License: OSI Approved, Ruby License Natural Language: Engli
thoughts, personal and pasted random stuff I think about, from programming and music to wargames and politics. enter at your own risk. 04 Oct 2009 – Warsaw This is the first post on a series I plan to write about some clever usage of Rails-related tools (gems, plugins or other) that can really enhance programmer’s and app user’s experience, make code cleaner, and application neater. Disclaimer In
When Paul Graham wrote that the "list of n things" is a degenerate case of the essay, our first thought was "Wow! That's for us!" And we're going one step farther: we're recycling an old "list of n things" essay from last year. Seriously, we've been thinking of revisiting 10 must-have Rails plugins for a while now. There is a place for lists like that, and the Rails plugin and add-on space has bee
前書いた書きかけのメモを発見したので加筆して載せてみます。ちなみにこの話はMysql(InnoDB)利用時限定です。 モデルのcountメソッドは SELECT count(*) AS count_all FROM `blogs` のようなSQL文を発行します。このようなSQL文では、基本的に主キーインデックスによる全索引検索が行われます。通常、インデックスだけを読み込む全索引検索のほうが、テーブルだけを読み込む全表検索よりもI/O回数が少なくなるため高速になりますが、InnoDBの主キーインデックスは他の列値と直結している仕様で(この場合は)余計な列値を読み込むことになるため、あまり高速になりません。主キー以外のインデックスを利用した方が高速になるようです。 実際に試してみた rails2.3.2(たぶん), mysql5.0.77で試しました。 適当なrailsプロジェクトを作成し、s
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<p>When you call <code>load</code> or <code>require</code> a new file, Ruby searches through the files in its load path. This allows you to require files relative to the load path without specifying the files full system path.</p> <p>The initial load path contains paths for Ruby’s standard library. There are three aliases that point to Rubys global load path array: <code>$:, $-I, $LOAD_PATH<
RubyInstaller 3.3.0-1 released RubyInstaller-3.3.0-1 has been released! It features a whole bunch of great new features and improvements. See the ruby-3.3.0 release post and the RubyInstaller-CHANGELOG for more details. 2023-12-26 RubyInstaller 3.2.2-1, 3.1.4-1, 3.0.6-1 and 2.7.8-1 released RubyInstaller versions 3.2.2-1, 3.1.4-1, 3.0.6-1 and 2.7.8-1 are released. These are maintenance releases wi
There is a vulnerability in the escaping code for the form helpers in Ruby on Rails. Attackers who can inject deliberately malformed unicode strings into the form helpers can defeat the escaping checks and inject arbitrary HTML. Versions Affected: 2.0.0 and *all* subsequent versions. Not affected: Applications running on ruby 1.9 Fixed Versions: 2.3.4, 2.2.3 Candidate CVE: CVE-2009-3009 Impact Due
I’m happy to announce the release of MySQL Ruby bindings version 2.8.1 This release is based on my GitHub fork from original Kevin Williams work. For those who are not aware, Kevin’s gem is a Gem package of tmtm mysql-ruby bindings at RubyForge Changes This started to improve GCC support, but it ended with a take over and better packing to improve both Windows support and Ruby 1.9 compatibility. Y
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