掘友等级
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为啥刚买完小册就送了同一本的优惠券
申请了个专栏,很正常的名字,但说未通过审核?
还有个细节问题,专栏管理页面中“新建专栏”的按钮文字偏了。
Github之类外链跳转能否不用再次确认了?毕竟是开发者社区,这么常用的网站每次都要确认下很麻烦
真的吗 吐槽都有奖励
CSS calc()
The + and - operators must be surrounded by whitespace. For instance, calc(50% -8px) will be parsed as a percentage followed by a negative length — an invalid expression — while calc(50% - 8px) is a percentage followed by a subtraction operator and a length. Likewise, calc(8px + -50%) is treated as a length followed by an addition operator and a negative percentage.
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