What is the difference between Set and List?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: WhatisthefundamentaldifferencebetweentheSet<E>andList<E>interfaces? 回答1: ListisanorderedsequenceofelementswhereasSetisadistinctlisto...
What's a good rate limiting algorithm?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Icouldusesomepseudo-code,orbetter,Python.Iamtryingtoimplementarate-limitingqueueforaPythonIRCbot,anditpartiallyworks,butifsomeonetriggerslessmess...
MongoDB: count the number of items in an array
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihaveacollectionwhereeverydocumentinthecollectionhasanarraynamedfoothatcontainsasetofembeddeddocuments.IstherecurrentlyatrivialwayintheMongoDBshe...
Swift - Sort array of objects with multiple criter
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IhaveanarrayofContactobjects: varcontacts:[Contact]=[Contact]() Contactclass: ClassContact:NSOBject{ varfirstName:String! varlastName:String!...
Explicit instantiation - when is it used?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Afterfewweeksbreak,I\'mtryingtoexpandandextendmyknowlegeoftemplateswiththebookTemplates–TheCompleteGuidebyDavidVandevoordeandNicolaiM.Josut...