Define 'atomic' keyword?

831

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Explain how to shut off message alerts in ios?

791

---

Explain the features is ios 6?

871

---

What is the difference between inheritance and category?

892

---

How to parse xml?

826

---

Explain how do I get a call when my ipad rings?

859

---

Define 'copy' keyword?

840

---

Explain the difference between nsarray and nsmutablearray?

973

---

Explain the difference between nil and nil?

940

---

What is arc?

888

---

Define ipa?

840

---

Explain the application lifecycle in ios?

889

---

What is the difference strong and weak reference?

815

---

What is use of nsoperation?

853

---

What is the difference between cocoa and cocoa touch?

794

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