各界關注此次默茨訪華將重啟戰略夥伴關係，還是在特朗普持續對歐洲施壓下持續「去風險」的有限接觸？默茨會否在此行提及中國人權紀錄，北京又有什麼盤算?
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.，更多细节参见夫子
伟大梦想的实现是一场永不停歇的接力跑，既需要自身本领高强，也需要时时加油补给，更需要大家勠力同心。从一个个温暖片段里读懂深沉期盼、汲取奋斗力量、校准前进航线，我们一定能齐心共进，抵达梦想彼岸。。业内人士推荐同城约会作为进阶阅读
巷子里有自己一年一度的“春晚”。大人们搬起小凳子坐在树下，我们几个孩子自告奋勇，上台表演——节目全是模仿大人看的那些。每个人都身兼数职，忙得不亦乐乎：走完模特步，要接着唱流行歌，还要讲段小品。这是真正意义上的“草台班子”：唱跑调了就鼓掌，跳错了就重来，忘词了就现编。
它们就像是 iPhone 伸出来的三根触角，疯狂地从物理世界汲取信息。