范欣欣的博文讲解深入又很清晰。 如何实现高速读写？ 是否使用offheap？ jdk跳表cslm实现及阿里ccsmap的优化？ 详见：http://hbasefly.com/2019/10/18/hbase-memstore-evolution/
低频用户冷启动需要考验算法模型的泛化能力。建模中容易产生马太效应。 何谓马太效应？摘自wiki media， 天之道，损有余而补不足。人之道，则不然，损不足以奉有余。 凡有的，还要加给他，叫他有余；凡没有的，连他所有的也要夺去。 强者愈强，弱者愈弱。
The Youth’s Companion, Feb.7 1889, p.73(Vol 62) JUST THE BOY WANTED, II IN THE LAW, by Judge Oliver Wendell Holmes (from Howe, Mark DeWolfe. Research materials relating to life of Oliver Wendell Holmes.) A boy who wants to succeed in the law will probably do so. An encouraging thought, as far as it goes. But […]
As you said in the last video of 《machine learning》, I hope we can use AI to build cool products and make a better life. Thank you Andrew ng.
sometimes, sql is just better!
