letsspeak
/ gist:5650158
Last active
December 17, 2015 17:59
set up yesod on ec2 Amazon Linux AMI 2013.03.1 64bit
to make haskell-platform switch to small instance (m1.small) temporarily.
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| # sudo su | |
| // install apache | |
| # yum -y install httpd | |
| // install develop tools for installing ghc | |
| # yum -y install gcc | |
| // install ghc 7.4.2 | |
| # wget http://www.haskell.org/ghc/dist/7.4.2/ghc-7.4.2-x86_64-unknown-linux.tar.bz2 |
rjattrill
/ dsnless-odbc-sequel.rb
Created
December 5, 2012 22:53
DSN-less ODBC Connection with ruby-sequel
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| require 'sequel' | |
| DB = Sequel.connect(:adapter=>'odbc',:driver=>'SQL Server Native Client 10.0',:server=>'localhost',:port=>1433, :uid=>'myuser',:pwd=>'mypass',:db_type=>'mssql') | |
| DB.fetch("SELECT * FROM artist") do |row| | |
| puts row | |
| end |
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| $! raise された例外オブジェクト | |
| $" require で読み込まれたファイルの配列 | |
| $# | |
| $$ 現在のプロセス ID | |
| $% | |
| $& 正規表現にマッチした箇所の文字列 | |
| $' 正規表現にマッチした箇所より後ろの文字列 | |
| $( | |
| $) | |
| $* Ruby スクリプトに指定された引数。ARGV と同じ |