Launching from Ubuntu?

I found a pretty good web page that explained how to create an icon on the launch bar to launch IntelliJ IDEA.

However when I launch it I notice that it just hangs.
I think it's because it's trying to write to stdout or the console and can't, being as it was expecting to launch from a shell.

If I make a launcher out of the .sh file then I get a terminal window and the IDE ...
The terminal window seems sort of redundant.  How can I get rid of it?

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