Фото: Ukrainian Armed Forces / Reuters
7月1日——甘肃天水幼儿铅中毒事件
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个体生产力的二次定义与竞争力位移
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The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.
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