1. originPeople in Primitive society(原始社会)in order to survive,they have to hunt for food efficiently,so they learned the primary attack means.Gradually stone and wooden tools are added as weapon.When the war become more and more ,the dictators(执政者) a…
Given an entity with an attribute firstName, Core Data automatically generates firstName, setFirstName:, primitiveFirstName, and setPrimitiveFirstName. The primary use of primitive accessors is to prevent key-value observing notifications from being…
1. Primitive Types Any data types the compiler directly supports are called primitive types. Primitive types map directly to types existing in the Framework Class Library (FCL). For the types that are compliant with the Common La…
Problem Introduction You are given a primitive calculator that can perform the following three operations with the current number \(x\): multiply \(x\) by 2, multiply \(x\) by 3, or add 1 to \(x\). Your goal is given a positive integer \(n\), find th…