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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...n。Version 1是21 x 21的矩阵，Version 2是 25 x 25的矩阵，Version 3是29的尺寸，每增加一个version，就会增加4的尺寸，公式是：(V-1)*4 + 21（V是版本号） 最高Version 40，(40-1)*4+21 = 177，所以最高是177 x 177 的正方形。
下面我们看看一个二维...
How to include jar files with java file and compile in command prompt
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Capistrano - clean up old releases
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Sharvy Ahmed
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answered Jan 23 '10 at 4:32
jcrossley3jcrossley3...
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3
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App Inventor 2 列表代码块 · App Inventor 2 中文网
...，子列表的成员本身并不是列表的成员。
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Python 2
Use isinstance(obj, basestring) for an object-to-test obj.
Docs.
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NuGet for solutions with multiple projects
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