#Ruby

表格的读取

# from table to CSV require 'odbc' require 'dbi' filename = "./file.csv" writeFile = File.…

#Ruby

科拉茨猜想（3N +1问题）

def collatz(n) print "#{n} " if n > 1 if n % 2 != 0 collatz(3*n + 1) else collatz(n/2) …

#Ruby

Windows 一个让桌面下雪的ruby 小程序 snow

#Ruby

Ruby 使用 WSDL 调用 Web服务

require 'soap/wsdlDriver' wsdl = 'http://yourserver.net/quotes.wsdl' driver = SOAP::WSDLDr…

#Ruby

Ruby Using WIN32OLE with PowerPoint

require 'win32ole' powerobj = WIN32OLE.new("powerpoint.application")

#Ruby

去除C语言注释

require 'strscan' lex = [/"[^\\"]*(?:\\.[^\\"]*)*"/m, # string /'[^\\']*(?:\\.[^\\']*)*'/m…

#Ruby

小型文本编辑器

stop_words = %w{the by on for of are with just but and to the my I has some in} lines = Fi…

#Ruby

Bcode的ruby实现

class Bencode def initialize @ret = "" end public def encode(x) @ret = "" encode_auto(x) r…

#Ruby

Linux 带宽使用情况

# Script to display the transfer information of a given # interface. Relies on /proc/net/d…

#Ruby

让 p 1.self 不报错

class Object def self self end end p 1.self p 'a'.self p true.self p self.self

#Ruby

webrick , sinatra , rails , heel ,thin 提速补丁

def rsed_do(fn,s1,s2) size = s1.bytesize if File.exist?(fn) print "exist: #{fn}\n" #读写方式打开…

#Ruby

Rails 实现邮件特快专递

require 'resolv' require 'net/smtp' from = "your-email@example.com" to = "another-email@ex…