I read a chapter in a book (Seven languages in Seven Weeks by Bruce A. Tate) about Matz (Inventor of Ruby) saying that \'I would remove the thread and add actors, or some other more advanced concurren
In the following code: //anArray is a Array of Dictionary with 5 objs. //here we init with the first NSMutableDictionary *anMutableDict = [[NSMutableDictionary alloc] initWithDictionary:[anArray ob
我是跑 2022-05-12 21:57 “草枯雉兔肥”上一句是：“十月鹰出笼”，这是出自于 唐朝 白居易 所著的《放鹰》。附《放鹰》全文赏析放鹰作者：白居易朝代：唐朝十月鹰出笼，
目录标签模型建表和造数据建索引和查询说起大数据中的应用，很多同学可能马上会想起用户画像。用户画像，英文称之为User Profile，通过用户画像可以完美地抽象出一个用户的信息全貌，通过用户画像数据可以精准地分析
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