title: How to connect to Bigtable Emulator from a GoLang application? How to use it?
body: <p>I am trying to use BigTable Emulator. I have never used it before. I followed the <a href="https://cloud.google.com/bigtable/docs/emulator?authuser=2" rel="noreferrer">documentation</a> but not able to understand,</p>
  
  <ol>
  <li>How to connect an application to Emulator.</li>
  <li>How to set <code>BIGTABLE_EMULATOR_HOST</code> environment variable.</li>
  </ol>
  
  <p>Please help by explaining it or pointing me to any examples or links.
  Thank you.</p>