圖像來源，Getty Images
The first problem is wasted work again. If cell A1 references B8, and cell A2 also references B8, then when we update all the cells, we still only want to evaluate B8 once, and then reference it in both A1 and A2. We can do this through caching — whenever we calculate a cell’s value, we store it somewhere, and then all future cell references can used the stored value instead of recalculating.。业内人士推荐新收录的资料作为进阶阅读
Offer ends March 13.。新收录的资料对此有专业解读
Follow topics & set alerts with myFT
生成过程耗时 35 分钟，并且最终生成的 PPT 文字过多，没能达到直接使用的质量。