一方面是门店数量扩张、会员费从260元至680元不等,另一方面是选品标准和品控体系的质疑声渐起。此次诉讼引发的关注,成为消费者对山姆信任积累的又一次考验。
I eventually managed to optimize it enough that it could ship; IIRC, I ended up giving up and hardcoding the schema. The way I'd constructed everything, this meant that everyone touching the one unified generic codebase would have to add product-specific code anyway, exactly the thing I worked for months to avoid. It was obviously inferior to its replacement. I'd worked so hard to do the elegant thing, to build a reusable system out of simple, beautiful pieces, and I had produced a huge blob of pointless complexity which had only made life harder for myself and whoever would have to work with it next.
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a huge production with expensive。手游对此有专业解读
unit of structural type equivalence. In this case, types $t and $u