huzuxing的博客

最近在集成Lucene做全文你检索，在生成索引文件时，遇到这样一个报错：Lucene org.apache.lucene.store.LockObtainFailedException: Lock held by this virtual machine: E:\lucene\write.lock首先排查出现这样报错的原因：Lucene当中，一个索引目录只能打开一个IndexWriter, 当在并...

配置springboot，没有数据库配置报错，不能启动https://blog.youkuaiyun.com/baidu_38995168/article/details/79827628

将两个数组 A [‘A1’, ‘A2’, ‘B1’, ‘B2’, ‘C1’, ‘C2’, ‘D1’, ‘D2’] 和 B [‘A’, ‘B’, ‘C’, ‘D’]，合并为 [‘A1’, ‘A2’, ‘A’, ‘B1’, ‘B2’, ‘B’, ‘C1’, ‘C2’, ‘C’, ‘D1’, ‘D2’, ‘D’]，java版本实现。这算是一个小算法题，面试的时候，很可能被面试官提问，考察的不是...