Chapter 8 Tips
- Get 
Rto choose Chrome as the browser when running Shiny apps instead of having to make Chrome the default browser on the user’s system. 
## If chrome is in the system path
cat('options(browser="chrome")\n', file = "~/.Rprofile", append=TRUE)
## Or need to specify the exact path to the executable file
## cat('options(browser="C:/Program Files (x86)/Mozilla Firefox/firefox.exe")\n', file = "~/.Rprofile", append=TRUE)- To allow other clients to connect to your shinyApp:
 
runApp(..., host="0.0.0.0", port=80) # port is optional- To display source code together with your Shiny app by using the 
display.modeargument. 
runApp(display.mode = "showcase")