获取单值
int count jdbcTemplate.queryForObject("select count(*) from tb1",Integer.class); 执行插入操作获取自增长ID
public Emp create(final Emp emp){final String sql "insert into Emp (age,name)values(?,?)";KeyHolder keyHolder new …
jmap报错
[roothost-10-0-197-189 service]# jmap -heap 12139
Attaching to process ID 12139, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 25.191-b12using thread-local object allocation.
Parallel GC with 8 thread(s)H…
题目: Problem Statement We have a cyclic array A of length n. For each valid i, element i-1 the left neighbor of element i. Additionally, element n-1 is the left neighbor of element 0. You are given two vector<long long>s s and t, each…