* @param arr 待排序数组
输入：head = [2,1,5]
。旺商聊官方下载对此有专业解读
A self-hosted Forgejo or Gitea instance is really two systems bolted together: a web application backed by Postgres, and a collection of bare git repositories on the filesystem. Anything that needs to show git data in the web UI has to shell out to the binary and parse text, which is why something as straightforward as a blame view requires spawning a subprocess rather than running a query. If the git data lived in the same Postgres instance as everything else, that boundary disappears.，更多细节参见旺商聊官方下载
Мерц резко сменил риторику во время встречи в Китае09:25