Golden Looly

LRUCache has Concurrency problem

5

## Current behavior Hello, I found the class: [LRUCache](https://github.com/oblac/jodd/blob/master/jodd-core/src/main/java/jodd/cache/LRUCache.java) use `LinkedHashMap` and use read lock for get, but the `LinkedHashMap` `get` method is not thread safe, the element will move...

https://github.com/jeecgboot/autopoi/blob/d5f5a7e66ca7f09273386db791a616f299d4adcd/autopoi/src/main/java/org/jeecgframework/poi/util/PoiFunctionUtil.java#L44

This implementation contains a sign-extension bug in the finalization step of any bytes left over from dividing the length by 4. https://github.com/xlturing/Simhash4J/blob/master/src/main/java/bee/simhash/main/Murmur3.java#L62 fix please see: https://github.com/apache/commons-codec/blob/master/src/main/java/org/apache/commons/codec/digest/MurmurHash3.java#L397

为了方便，Github处不开讨论，请移步： https://gitee.com/dromara/hutool/issues/I6SC4B

文件：sdk.py # -_\- encoding: utf-8 -_- 应改为 # -_\- coding: utf-8 -_-