Add the sharing blog function to the document site, including the blog list and detail page. At the same time, a guide on how to share blogs has been added to the developer guide.
Doris BE development and debugging environment construction
Add installation under ubuntu, dependent installation
Compile on ubuntu 20.04 physical machine, the actual test needs to install these dependencies:
autoconf automake libtool autopoint
* Update fe-idea-dev.md
use `brew install thrift@0.9` to install thrift 0.9.3.1
`brew edit thrift090 | head` shows thrift@0.9 uses thrift 0.9.3.1
* [Refactor] Remove the unnecessary if statement
Future<?> submit(Runnable task)
Submits a Runnable task for execution and returns a Future representing that task. The Future's get method will return null upon successful completion.
