How to configure proxy in programming tool?

Windows, LocaProxy Toolbar
  1. Please install the toolbar for Mozilla Firefox at http://addons.mozilla.org/en-US/firefox/addon/locaproxy-toolbar/.
  2. Click the Enable Proxy, and you can see the button is changed intoGreen color.
  3. Click the Settings button next to the Enable Proxy, a configuration window will pops out.
  4. Click the Add New Proxy button, another Proxy Detail window will pops out.
  5. Select Enabled button.
  6. Fill in the Proxy Name and Description.
  7. In the Host or IP Address and Port section, enter the IP address or Hostname of the proxy server you want to connect to and enter the port number which is being used by the proxy server.
  8. Select All Websites.
  9. Click Save then click Close to close all of the dialog boxes.
  10. You can decide which proxy to be used by selecting the Dropdown List at the toolbar if you have multiple proxies configuration.
  11. Enter the Username and Password when prompted.
How to configure proxy in programming tool?