What is weak in ios?

899

---

What is reuse identifier?

831

---

What is strong weak in ios?

896

---

What is the current iphone ios?

895

---

What is the difference between viewdidload and viewwillappear?

880

---

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

836

---

What is the protocol in ios?

871

---

What is called before viewdidload?

873

---

What is difference between static library and framework?

971

---

What is a serial queue?

843

---

What size is 1x and 2x?

775

---

Why is iboutlet weak?

878

---

What is appdelegate in xcode?

878

---

What language is ios based on?

890

---

What is thread in ios?

845

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