NSGeek. I like iOs Dev.

<pre  style="font-family:arial;font-size:12px;border:1px dashed #CCCCCC;width:99%;height:auto;overflow:auto;background:#f0f0f0;;background-image:URL(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTfCMCb9wITDrm2TRTumPgI0U1oBHbSkZI7aSNc5YYpVzIxP_xV243tGgbIUg6XY70mfPXCqSPK89cLZGgw0VSwXaR7EnVeO_QOI31xx_0g8B7Hy2SO-90fA-kNAVckD8HGMF2YzuI0bG6/s320/codebg.gif);padding:0px;color:#000000;text-align:left;line-height:20px;"><code style="color:#000000;word-wrap:normal;">1:  - (void)viewDidLoad
2:  {
3:    [super viewDidLoad];
4:    _knobControl = [[RWKnobControl alloc] initWithFrame:self.knobPlaceholder.bounds];
5:    [self.knobPlaceholder addSubview:_knobControl];
6:  }
</code></pre>