periodic-task
mysql - how does mysqldump work?
I have a java application that uses mysql as back end, every开发者_Python百科 night we take a backup of mysql using mysqldump and application stops working for that time period(app 20 min).[详细]
2023-02-08 19:37 分类:问答Does a HashMap retain the order of its elements on the next read if it is constructed and "filled" as a LinkedHashMap?
Suppose I have a Java method that 开发者_高级运维returns a HashMapobject. Because a LinkedHashMap is a subclass of HashMap, I can return a LinkedHashMap from this method just fine.[详细]
2022-12-26 23:48 分类:问答