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iOS知识小集-170605

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fopen时路径名为日文时崩溃

路径中尽量不要出现特殊字符。

显示 < 号

居然因为是字体原因

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  CGFloat width = kScaleFrom_iPhone6_Desgin(5);
  CAShapeLayer *shapeLayer = [CAShapeLayer layer];
  shapeLayer.frame = CGRectMake(CGRectGetMinX(textLayer.frame) - kScaleFrom_iPhone6_Desgin(9), 0, width, width);
  shapeLayer.position = CGPointMake(shapeLayer.position.x, point.y);
  UIBezierPath *path = [UIBezierPath bezierPath];
  [path moveToPoint:CGPointMake(0, width / 2)];
  [path addLineToPoint:CGPointMake(width, 0)];
  [path moveToPoint:CGPointMake(0, width / 2)];
  [path addLineToPoint:CGPointMake(width, width)];
  shapeLayer.path = path.CGPath;
  shapeLayer.strokeColor = UIColorFromRGBA(0xff959595).CGColor;
  shapeLayer.fillColor = [UIColor clearColor].CGColor;
  shapeLayer.lineWidth = 1;
  shapeLayer.lineCap = kCALineCapButt;
  shapeLayer.lineJoin = kCALineJoinMiter;
  [self.yAxisLayer addSublayer:shapeLayer];

Register DDLog

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  // Register DDLog
  [DDLog addLogger:[DDTTYLogger sharedInstance]];  // TTY = Xcode console
  [DDLog addLogger:[DDASLLogger sharedInstance]];  // ASL = File log

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