return (float)rand() / RAND_MAX;
While it's a perfectly fine and affordable Bluetooth keyboard, the Logitech Wave has minimal ergonomics. The keys rise up slightly in the middle and there's a comfortable wrist rest attached, but the layout is the same as any other keyboard, with no splitting of the keys to open up your arms or keep your wrists straight.
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新花都夜总会像1990年代内地县城的卡拉OK（图：南方人物周刊记者 方迎忠）
/e/ Foundation e.foundation🇫🇷