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Chapter 2 1, a) better, the more samples can make the function fit pratcal problem better. b) worse, since the number of observations is small, the mo 阅读全文
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Color Spaces The RGB method to represent colors is an example of a colorspace. It’s one of many methods that stores colors. Another colorspace is gray 阅读全文
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1) All animation should run on main thread. 2) When animation by changing UINSLayoutConstraint, [[animatingView parentView] layoutIfNeeded] should be 阅读全文
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#sshpass is a helpful tool to enter password which could save tons of time.ssh bandit26@bandit.labs.overthewire.org5koReBOKuIDDepwhWk7jZC0RTdopnAYKh6D... 阅读全文
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1. By 2010, the two settings most psychologists employed in are academic settings, 37.3%, and human services, like ospitals, etc., 25.8%.2. study tech... 阅读全文