Is this about data structure or pattern design? If it's the pattern design, observer pattern for the 1st one and flyweight pattern for the 2nd one( actually, this is the example in GoF.)
Biology PhD is not promising even for US citizens. But I think that article is talking about bachelor degrees. In that case, biology is a good major.
【在 g****1 的大作中提到】 : : promising : The U.S. media is not necessarily wrong here. It is promising for US : citizen. 99% 千老 are foreigners.
a*o
16 楼
BS or MS in biology major is very popular in US. There is an article about techinician jobs in industry a few weeks ago in Nature or Science.
article
【在 x******h 的大作中提到】 : Biology PhD is not promising even for US citizens. But I think that article : is talking about bachelor degrees. In that case, biology is a good major.
A*y
17 楼
If you are good biology major in the US, you are most likely going to medical school and guarantee 100k salary after school.