use NavigationDrawer in API 8

in offical documentation wrote min SDK for Navigation Drawer 11.

How can I use NavigationDrawer in support library in API 8(android 2.2)


You can use the android-suport library and <> as widget in your XML files. Here is a good tutorial recursiverobot tutorial

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Managing Sidekiq workers for multiple environments in Heroku using procfile

ruby-on-rails heroku procfile

The Heroku docs indicate that you can set environment variables for use in the procfile. I'm attempting to do set a SIDEKIQ_CONCURRENCY variable, so that my staging environment allots fewer workers...

How to set up download authentication?

authentication url download

I am looking for some sort of download authentication. I am going to give a user a link to a file, and I want to make sure only that person will get it only once. Is there a simple solution without