iteye_16881的博客

本章知识点13.1 单例类 1 定义方法 a class

str

[code="java"]class String alias init initialize def initialize(str) puts "Call Initialize" init(str) self.gsub!(/abc/,'xyz') ...

Must install libxml2-dev first ,otherwise there will be errors like [code="ruby"]sudo apt-get install libxml2-devgem install -r libxml-rubysudo apt-get install libxslt-devgem install -r libx...

[code="java"]sudo apt-get install libsqlite3-devsudo gem install sqlite3-ruby-1.2.5.gem[/code]不要安装sudo gem install sqlite3，如果已经安装了要 sudo gem uninstall sqlite3进行卸载这样的话使用Ruby的时候会说找不到SQLite...