Adding a sign in button is simply:
This allows the user to log in and grant permission for your app to access LinkedIn.
IFTTT Reinvents Macro With Do
IFTTT has launched new apps that let you automate frequent actions for camera, note, and IFTTT recipes.
GitHub Introduces Licenses API
GitHub recently introduced its Licences API, available in Preview. It also presented some statistics about license usage over its history.