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App Inventor 2在不同的屏幕之间传值 · App Inventor 2 中文网
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App Inventor 2 自定义拍照及录像媒体文件的路径，进行目录规整 · App Inventor 2 中文网
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App Inventor 2 自定义拍照及录像媒体文件的路径，进行目录规整
App Inventor 2 自定义拍照图片文件的路径
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App Inventor 2 代码调试方式：App调试、问题排查方法 · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 代码调试方式：App调试...
Is it possible to GROUP BY multiple columns using MySQL?
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296
GROUP BY col1, col2, col3
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How to determine the longest increasing subsequence using dynamic programming?
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OK, I will describe first the simplest solution which is O(N^2), where N is the size of the collection. There also exists a O(N log N) solution, which I will describe also. Look here for it at the section Efficient algorithms.
I will assume the indices of the array are from 0 to N - 1...
Memoization in Haskell?
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259
We can do this very efficiently by making a structure that we can index in sub-linear time.
B...
Algorithms based on number base systems? [closed]
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edited Mar 20 '11 at 7:13
Darius Bacon
14.1k55 gold badges4848 silver badges5252 bronze badges
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Ruby max integer
... big they can be.
If you are looking for the machine's size, i.e. 64- or 32-bit, I found this trick at ruby-forum.com:
machine_bytes = ['foo'].pack('p').size
machine_bits = machine_bytes * 8
machine_max_signed = 2**(machine_bits-1) - 1
machine_max_unsigned = 2**machine_bits - 1
If you are look...
What is the C++ function to raise a number to a power?
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Philipp
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answered May 10 '09 at 19:20
Joey RobertJoey Robert
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