sdcuike
uid-generator
https://github.com/baidu/uid-generator
https://github.com/johnhuang-cn/snowflake-uid
https://gitee.com/yu120/sequence
https://mp.weixin.qq.com/s/ad4tpM6cdi9r6vgfbaTzxg
https://github.com/sumory/uc/blob/master/src/com/sumory/uc/id/IdWorker.java
https://mp.weixin.qq.com/s/AHRCYOjnXAgcy2j6vziukQ
http://mziccard.me/2015/05/08/modulo-and-division-vs-bitwise-operations/
https://stackoverflow.com/questions/3072665/bitwise-and-in-place-of-modulus-operator
https://stackoverflow.com/questions/6670715/mod-of-power-2-on-bitwise-operators
https://stackoverflow.com/questions/3072665/bitwise-and-in-place-of-modulus-operator
https://github.com/Predictor/javasnowflake/blob/master/IdGenerator/src/org/predictor/idgenerator/BasicEntityIdGenerator.java
https://gitee.com/simpleweb/id-generator
