Community Works Use Koala Ruby gem to post "gif" image Koala is a famous gem for interacting with Facebook activity. Common interaction can be achieved with single simple method call. However, when we develop a Facebook feed poster for gif image, the gif
Community Works No command history in Ruby console When using Ruby console (either by irb or rails console, it's very handy to access previous commands by up arrow. However the history is broken after upgraded Ruby to v2.3+. Turns out
