Xin

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The Shark and the...
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  (page 119 of 265)
"又是作者拍摄北极熊的体验。
这回是在海上漂着,看上去几乎是在碰运气。他们能为了拍摄等待几个月真的很了不起。
特别是一点:在看纪录片时,故事聚焦在拍摄的野生动物身上,我在这一过程中几乎忽视了摄像头背后的摄影师们,忘记了他们甚至就处在这些动物不到几十米远的位置。我之前一直有一种「摄像师在从上帝视角观察这些动物」的感受,没有意识到他们实际上一直在跟那些被拍摄动物互动。之前觉得摄制过程中厉害的是摄影团队,现在却觉得纪录片的成功也有那些被拍摄动物的一份功劳——如果不是它们容忍摄影师拿着设备靠近它们,人们也拍不出那些画面。"
4 hours, 21 min ago

 
Math for Programm...
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  (page 19 of 687)
"Let me complete what I've missed lol
This chapter has been too practical, which makes people feel like math expressions are just harder, less explicit and intuitive. It insists the explicitness of programming languages and denies the explicitness of math expressions, hell But that isn't how math works. Programming languages seem more explicit, but math expressions are, too."
Mar 24, 2026 08:07PM

 
Introduction to M...
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  (page 24 of 603)
"Interesting.

This chapter has basically given an overall impression on classical cryptography.

And btw, it seems like the study of modern cryptography also requires explicit definitions and proof, which is pretty normal—cryptography is mathematical, after all."
Mar 12, 2026 03:31AM

 
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