What is arc ? How it works?

922

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How to use reusable cell in uitableview?

890

---

Difference between release and autorelease ?

788

---

How to send crash report from device?

775

---

What is meaning of 'nonatomic' keyword?

876

---

What is synchronous web request and asynchronous ?

808

---

How to start a selector on a background thread.

762

---

What compilers apple using ?

830

---

What is the meaning of 'strong'keyword?

817

---

What is the use of 'dynamic' keyword?

861

---

How can we prevent ios 8 app’s streaming video media from being captured by quicktime player on yosemite during screen recording?

709

---

Does objective-c contain private methods?

742

---

What json framework is supported by ios (iphone os)?

792

---

What is the difference between viewdidload and viewdidappear?

754

---

What is @dynamic in objective-c ?

757

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