Pergunta de entrevista da empresa Salesforce
how could a iOS class call GCD’s dispatch_once API more than once?
Resposta da entrevista
Sigiloso
23 de mai. de 2016
reset the onceToken passed in via the dispatch_once call.
how could a iOS class call GCD’s dispatch_once API more than once?
Sigiloso
reset the onceToken passed in via the dispatch_once call.