http://qiita.com/konpyu/items/3ba3774bcde226d7d07d https://github.com/blog/517-unicorn http://qiita.com/hiroki_y/items/06f5780543bec988d8b7 http://www.rokurofire.info/2013/11/20/sinatra_builtenv/#num7 http://xyk.hatenablog.com/entry/2014/1…

sudo rm -fR /var/lib/apt/lists/*Then reload againsudo apt-get update

When an exception has been raised but not yet handled (in rescue, ensure, at_exit and END blocks) the global variable $! will contain the current exception and $@ contains the current exception’s backtrace.

http://stackoverflow.com/questions/9239438/watir-webdriver-cookie-jar-saving-and-loadingbrowser = Watir::Browser.new :firefox browser.goto 'http://google.com' # save cookiessaved_cookies = browser.cookies.to_a # clear and get new cookies b…

sudo find /home/user -name \*.rb -print | xargs grep xxxxx

http://qiita.com/zom/items/14a772d180937ae87306 http://qiita.com/tomykaira/items/2b9590bd8dd0cb97e834