What are the lifecycle events of uiviewcontroller?

943

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What is nsfetchedresultscontroller? How do you turn on content monitoring?

891

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Explain parent-child context setup. What are the advantages?

782

---

What persistent storage core data uses to save data?

799

---

What persistent storage used in mobile apps - ios?

849

---

what are fetched properties?

812

---

How core data differs from sqlite?

859

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Can we support the same application for iphone 3gs and iphone 5, 6, 7? Why not?

773

---

What is difference between performblock: and performblockandwait:?

914

---

What are the Different types of persistent stores?

859

---

What is nsmanagedobject?

815

---

What is messaging? How does the runtime handle message passing? What is message forwarding?

938

---

What is nspersistentstore?

939

---

What is nsuserdefaults?

844

---

What is nsfetchedresultscontroller?

897

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