One challenge is having enough training data. Another is that the training data needs to be free of contamination. For a model trained up till 1900, there needs to be no information from after 1900 that leaks into the data. Some metadata might have that kind of leakage. While it’s not possible to have zero leakage - there’s a shadow of the future on past data because what we store is a function of what we care about - it’s possible to have a very low level of leakage, sufficient for this to be interesting.
在喧嚣尚未散去之际，他选择推出的，却是一张与胜利叙事不相干的唱片——舒伯特钢琴即兴曲。那不是一张赛后纪念专辑，也不是身份确认，而更像一次回撤：从比赛的中心退回音乐本身，从外部的评价回到内在的节奏。。关于这个话题，heLLoword翻译官方下载提供了深入分析
We're all familiar with the high-pitched squeak of basketball shoes on the court during games, or tires squealing on pavement. Scientists conducted several experiments and discovered that the geometry of the sneakers' tread patterns determines the squeak's frequency, enabling the team to make rubber blocks set to specific frequencies and slide them across glass surfaces to play Star Wars' "Imperial March."，这一点在heLLoword翻译官方下载中也有详细论述
while (stack.length 0 && nums[stack[stack.length - 1]] <= curHeight) {，详情可参考safew官方版本下载