Define 'weak' keyword?

759

---

Define 'strong' keyword?

758

---

How nsoperationque works?

763

---

Define autorealease pool?

805

---

What is the first responder?

738

---

What is the significance of autorelease?

765

---

Define cocoa?

739

---

What is the 'implementation'?

721

---

What is the meaning of 'synthesize' keyword?

709

---

Define 'retain' keyword?

779

---

Explain how to hide images in ios?

797

---

Differentiate between release and pool drain?

814

---

How to parse json?

812

---

What manual memory management?

736

---

Explain how to delete images in ios?

805

---