... 1/3 is zero. to get correct results, use float literals instead, ie.: h + 1.0/3.0. – marcus erronius Feb 12 '16 at 2:27 ...

如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法？ 当然，如果你真心在乎准确率，最好的途径就是测试一大堆各式各样的算法（同时确保在每个算法上也测试不同的参数），...

...IColor(red: 192.0 / 255.0, green: 38.0 / 255.0, blue: 42.0 / 255.0, alpha: 1.0).cgColor let colorBottom = UIColor(red: 35.0 / 255.0, green: 2.0 / 255.0, blue: 2.0 / 255.0, alpha: 1.0).cgColor self.gl = CAGradientLayer() self.gl.colors = [colorTop, colorBottom] self.g...

...olorspace; size_t num_locations = 2; CGFloat locations[2] = { 0.0, 1.0 }; CGFloat components[8] = { 1.0, 1.0, 1.0, 0.35, // Start color 1.0, 1.0, 1.0, 0.06 }; // End color rgbColorspace = CGColorSpaceCreateDeviceRGB(); glossGradient = CGGradientCreateWithColorComponent...

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