В Финляндии предупредили об опасном шаге ЕС против России09:28
tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
，这一点在51吃瓜中也有详细论述
Photograph: Julian Chokkattu
Founders today are conditioned to believe venture capital is the ultimate milestone — a rite of passage into “real” entrepreneurship.