Doors of Codes

Ruby 1.9.3-p125 and Mac OS X Lion

Koshian — Sat, 31 Mar 2012 12:54:05 +0000

I tried to build Ruby 1.9.3-p125 on Mac OS X Lion(10.7.3). But it can’t build psych library in ruby because missing yaml.h.

I just type below.

$ brew install libyaml

It solved

Ruby CSV with CP932

Koshian — Thu, 09 Feb 2012 15:32:50 +0000

Ruby is a good language. But little bit unuseful for japanese user include me.

I’ve got often invalid seqence error.

CSV.open(filename, 'r:cp932')

This code is bad.

I found a code in csv.rb below:

    @encoding ||= Encoding.default_internal || Encoding.default_external

This line from /usr/local/ruby-1.9.1/lib/ruby/1.9.1/csv.rb.
I tried use only “Encoding.default_external = ‘cp932′”.

Encoding.default_external = 'cp932'
CSV.open(filename, 'r')

It works.

Getting MacBook Pro

Koshian — Fri, 13 Jan 2012 15:57:27 +0000

Now I’m in Japan. I had bought and setuped MacBook Pro 15″ in this new year holiday.

MacBook Pro 15"

I am NOT Mac fan and Jobs believer. I just love UNIX envronments. Actually MacBook is good UNIX laptop.

But I got little trouble after I migrate from old MacBook white by Migration Assistant.

I just wrote and ran a ruby script as usual. I got error “nokogiri not found”. OMG!!

The Ruby 1.9.2 was compiled by me. Migration Assistant migrate compled ruby itself but don’t migrate libraries. sigh…

After setup, I bought 8GB RAM. I use many application, especially VMware use RAM much more.

Cool. I got 4 core CPU and 8GB RAM laptop. My first mobile UNIX has 486 compatible CPU and 2MB RAM. I couldn’t use Emacs 19 because it is too heavey. Thanks for Moore’s Law.

Hello world!

Koshian — Fri, 13 Jan 2012 14:44:50 +0000

Welcome to WordPress.com. After you read this, you should delete and write your own post, with a new title above. Or hit Add New on the left (of the admin dashboard) to start a fresh post.

Here are some suggestions for your first post.

You can find new ideas for what to blog about by reading the Daily Post.
Add PressThis to your browser. It creates a new blog post for you about any interesting page you read on the web.
Make some changes to this page, and then hit preview on the right. You can always preview any post or edit it before you share it to the world.