十三木的博客 下面这张图直观展示了两者的流程差异: graph TD A[应用层] --> B{选择Socket类型} B --> C[SOCK_STREAM] B --> D[SOCK_DGRAM] C --> E[调用socket()] E --> F[调用connect() -> 三次握手] F --> G[调用send()/recv...
cunehu1722的博客tags AS ( SELECT tag, COUNT(*) c FROM data, UNNEST(SPLIT(tags, '|')) tag GROUP BY 1 HAVING c>180 ) SELECT *, questions/questions_tag1 percent FROM ( SELECT *, MAX(questions) OVER(PARTITION BY tag1) ...
Xiewf8128的博客o, --output <file> output record file -a, --all all channels -c, --channel <name> channel name -b, --begin <2018-07-01 00:00:00> begin at assigned time -e, --end <2018-07-01 01:00:00> end at assigned ...