Define 'atomic' keyword?

787

---

Explain how to shut off message alerts in ios?

752

---

Explain the features is ios 6?

824

---

What is the difference between inheritance and category?

849

---

How to parse xml?

786

---

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

812

---

Define 'copy' keyword?

793

---

Explain the difference between nsarray and nsmutablearray?

927

---

Explain the difference between nil and nil?

895

---

What is arc?

836

---

Define ipa?

787

---

Explain the application lifecycle in ios?

840

---

What is the difference strong and weak reference?

772

---

What is use of nsoperation?

812

---

What is the difference between cocoa and cocoa touch?

738

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