Eclipse configuration

1. Adding existing project folders to the project explorer in eclipse

File->Import->General->Existing Projects Into Workspace->Select root directory of project->Finish

More Info

http://stackoverflow.com/questions/3924229/adding-existing-project-folders-to-the-project-explorer-in-eclipse

2. Configuring Eclipse line numbers

Window -> Preferences -> General -> Editors -> Text Editors -> Check the Show line numbers check box.

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