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A conveyor belt has packages that must be shipped from one port to another within D days. The i-th package on the conveyor belt has a weight of weight 阅读全文
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In a list of songs, the i-th song has a duration of time[i] seconds. Return the number of pairs of songs for which their total duration in seconds is 阅读全文
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Every non-negative integer N has a binary representation. For example, 5 can be represented as "101" in binary, 11 as "1011" in binary, and so on. Not 阅读全文
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算作前言 本文对图片如何转化成base64不做描述，我们可以从很多途径了解到转化办法。却很少有博客提到怎么在WPF的Image控件中显示图片。 对于base64的合法性 随便拿一张图片转一下试一试： 额。好长....取前面一部分吧 data:image/png;base64,iVBORw0KGgoA 阅读全文