2018 年 11月 29 日随笔档案 - songsong_p_blue

2018年11月29日

Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@1483de4 -- timeout at awaitAvailable(

摘要： Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.Basic 阅读全文

posted @ 2018-11-29 16:23 songsong_p_blue 阅读(8000) 评论(0) 推荐(0) 编辑

DAO层

摘要： DAO(Data Access Object) 数据访问对象是一个面向对象的数据库接口阅读全文

posted @ 2018-11-29 11:47 songsong_p_blue 阅读(158) 评论(0) 推荐(0) 编辑

IntelliJ IDEA快捷键

摘要： Alt+Enter 导入类阅读全文

posted @ 2018-11-29 10:05 songsong_p_blue 阅读(127) 评论(0) 推荐(0) 编辑