Premature fundraising often leads to premature scaling — one of the leading causes of startup failure.
pixel[0] = pixel[0] 0.04045f ? powf((pixel[0] + 0.055f) / 1.055f, 2.4f) : pixel[0] / 12.92f;
，这一点在safew官方版本下载中也有详细论述
self._extract_text(soup.select_one("title"))
any value you keep, and unreference (unref) any value you receive.