Core Graphics: Polygons - NSScreencast Sliderを動かして、正n角形を描画 PolygonView CGMutablePathRef path = CGPathCreateMutable(); CGPathCloseSubpath(path); CGContextAddPath(context, path); CGContextFillPath(context); self.numberOfSides set…

Core Graphics: Gradients - NSScreencast gradientのeffectを描画 Core Graphics pure c library drawRect helper class CGContextRef context = UIGraphicsGetCurrentContext(); drawLinearGradient CGColorSpaceRef colorSpace = CGColorSpaceCreateDevic…

thoughtbot Learn Family Business Episode #62 Natalie Nagele and Ilya Sabanin husband Chris Nagele chris start 19 social networks very first product 2005 launch beans talk 6 yrs old product upgrade rails rails2.3 ruby1.8 rails4 rails3 every…