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Apple trade-in values cut for iPhone, iPad, Mac, and Apple Watch

9to5mac.com Ben Lovejoy 2025-08-04 14:27:48

Apple trade-in values have been cut for most models of iPhone, all Macs, several Apple Watches, and one iPad. Additionally, there are two older Apple products the company will no longer accept as trade-in against a new one, making them officially worthless … While Apple trade-ins represent very poor value compared to selling privately or using third-party resellers, some people prefer the ease and convenience of just taking their old device into an Apple Store when buying a new one. MacRumors

Topics: 15 apple iphone trade values
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Chasing Hobbies over Achievement Boosts Happiness (2023)

news.ycombinator.com Neuroscience News 2025-08-12 00:47:02

Summary: Individuals emphasizing freedom and hobbies experienced a boost in well-being, whereas those prioritizing achievement felt less happy. The research showed that valuing ‘hedonism’ and ‘self-direction’ led to increased happiness across India, Turkey, and the UK. In contrast, ‘achievement’ and ‘conformity’ values showed no direct happiness benefits. The findings spotlight the importance of balancing life pursuits for mental health. Key Facts: Prioritizing freedom led to a 13% increase

Topics: achievement day happiness time values
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That XOR Trick (2020)

news.ycombinator.com Unknown 2025-08-14 12:32:41

There are a whole bunch of popular interview questions that can be solved in one of two ways: Either using common data structures and algorithms in a sensible manner, or by using some properties of XOR in a seemingly hard to understand way. While it seems unreasonable to expect the XOR solutions in interviews, it is quite fun to figure out how they work. As it turns out, they are all based on the same fundamental trick, which we will derive in a bottom-up way in this post. Afterwards we will lo

Topics: elements missing result values xor
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I Solved a 7-Day Calculation Problem in a Weekend

news.ycombinator.com Jithin Sankar 2025-08-29 07:32:43

How I Solved a 7-Day Calculation Problem in a weekend Jithin Sankar Follow 3 min read · 3 days ago 3 days ago -- Listen Share In a previous project, my team was building a SaaS application. The scenario was this: we had a slider for setting a price, from $0.00 to $10.00. When you moved the slider, the app would show you the projected sales for that price. The slider input was combined with two other attributes, Region and SKU name. The problem was performance. Each time the slider moved, it wo

Topics: days price seconds slider values
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