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然而,这方面的科学认知远未确立。科技公司迅速指出,“科技成瘾”尚未被正式列入精神疾病诊断标准。一些研究者认为,给重度科技使用贴上“成瘾”标签可能适得其反。加州理工学院的研究员伊恩·安德森和南加州大学的教授温迪·伍德发现,当人们将自己的Instagram使用描述为成瘾时,他们会感到陷入困境,对改变能力的信心降低。
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always. notify-on-command-finish-action controls how you're notified,
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To put all this in the right context, let’s zoom in on the copyright's actual perimeters: the law says you must not copy “protected expressions”. In the case of the software, a protected expression is the code as it is, with the same structure, variables, functions, exact mechanics of how specific things are done, unless they are known algorithms (standard quicksort or a binary search can be implemented in a very similar way and they will not be a violation). The problem is when the business logic of the programs matches perfectly, almost line by line, the original implementation. Otherwise, the copy is lawful and must not obey the original license, as long as it is pretty clear that the code is doing something similar but with code that is not cut & pasted or mechanically translated to some other language, or aesthetically modified just to look a bit different (look: this is exactly the kind of bad-faith maneuver a court will try to identify). I have the feeling that every competent programmer reading this post perfectly knows what a *reimplementation* is and how it looks. There will be inevitable similarities, but the code will be clearly not copied. If this is the legal setup, why do people care about clean room implementations? Well, the reality is: it is just an optimization in case of litigation, it makes it simpler to win in court, but being exposed to the original source code of some program, if the exposition is only used to gain knowledge about the ideas and behavior, is fine. Besides, we are all happy to have Linux today, and the GNU user space, together with many other open source projects that followed a similar path. I believe rules must be applied both when we agree with their ends, and when we don’t.
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