What is weak in ios?

844

---

What is reuse identifier?

786

---

What is strong weak in ios?

846

---

What is the current iphone ios?

859

---

What is the difference between viewdidload and viewwillappear?

835

---

What is the concurrency how many ways you know to achieve concurrency?

785

---

What is the protocol in ios?

826

---

What is called before viewdidload?

827

---

What is difference between static library and framework?

919

---

What is a serial queue?

796

---

What size is 1x and 2x?

740

---

Why is iboutlet weak?

823

---

What is appdelegate in xcode?

838

---

What language is ios based on?

854

---

What is thread in ios?

805

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