unsigned long long length(void*data) {
Last year, Ford set a new industry record: It issued 152 safety recalls, almost twice the previous high set by General Motors back in 2014. More than 24 million vehicles were recalled in the US last year, and more than half—13 million—were either Fords or Lincolns. By contrast, Tesla issued 11 recalls, affecting just 745,000 vehicles.
。safew官方版本下载对此有专业解读
drop-oldest: Drops the oldest buffered data to make room. Useful for live feeds where stale data loses value.
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