Every programmer will one day realize that Git is easily the best available source code control on the planet. I was a fervent follower of SVN so far and even wrote SVN is the best source code control. The only reason that daunted me to use Git is to use the command line interface. But, if you master the command line, Git is all yours to command. Moreover, with tighter integration of XCode 4 and Git, I think it’s a great idea to...

Anti-DRM fans might quip, but iPhone Developers love this digital signatures and provisioning as it reduces piracy dramatically. But all these aren’t free. Provisioning comes with a cost, especially when you write a iPhone app and want to share it with your friends/clients for beta testing. Apple has an excellent documentation on how to do an AdHoc build. Yet still, most users stumble upon especially when they have to make a build and...

Everyone knows NSOperation is easily the best way to automatically gain powerful multi-threading on iOS/Mac platforms. However, recently for one of my apps, I faced a issue where, the NSURLConnection’s initWithRequest method doesn’t automatically start even if you forcefully send the “start” message. For example the below code works perfectly on iPhone OS 3.1 and below but fails on iOS 4. - (void)start { [self...

Officially, iPhone OS 4 is out of NDA and I can’t write a post on this. If you have been reading my blogs, you might already know how to send a in-app email Sending a in-app SMS is very similar to this, but with subtle differences. Prior to iPhone OS 4, developers have to depend on [[UIApplication sharedApplication] openURL: @"sms:12345678"]; The problem with this is not just that it closes your app, but...