Define 'weak' keyword?

869

---

Define 'strong' keyword?

848

---

How nsoperationque works?

860

---

Define autorealease pool?

917

---

What is the first responder?

829

---

What is the significance of autorelease?

839

---

Define cocoa?

846

---

What is the 'implementation'?

833

---

What is the meaning of 'synthesize' keyword?

797

---

Define 'retain' keyword?

878

---

Explain how to hide images in ios?

888

---

Differentiate between release and pool drain?

910

---

How to parse json?

916

---

What manual memory management?

841

---

Explain how to delete images in ios?

906

---