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How to use String UUID in Hibernate with MySQL

When creating the database structure it is important to make sure that each row in a table has a unique ID so that it can be easily indexed, retrieved, and manipulated

Ubuntu 18.04下NVMe M.2接口SSD的分区、格式化 & 自动挂载

为了追求速度，我给大电脑配了两块硬盘，分别是512GB的Intel 760P NVMe M.2 2280接口SSD以及2TB的Intel 760P NVMe M.2 2280接口SSD。 (图源 ：pixabay) 其中512G的SSD我用作系统盘，在装机的时候系统自动帮我处理了分区/格式化之类的问题，今天来处理一下2T的SSD。

Convert UUID UTF-8 string representation to HEX​

While I worked on Smart contracts with Solidity, I had to store users UUID mapped to user address. In solidity, this could be easily done with mapping data structure,