转自：https://blog.bernd-ruecker.com/how-to-implement-long-running-flows-sagas-business-processes-or-similar-3c870a1b95a8 Long running flows can span fro ...
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2019-02-03 23:21:35
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题目: Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed t ...
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2019-01-27 19:03:00
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算法描述： Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Return the sum of t ...
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2019-01-27 18:55:28
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<! more 前言 目前有许多数据分析的场景从批处理到流处理的演变， 虽然可以将批处理作为流处理的特殊情况来处理，但是分析无穷集的流数据通常需要思维方式的转变并且具有其自己的术语（例如，“windowing（窗口化）”、“at least once（至少一次）”、“exactly once（只有一 ...
984. String Without AAA or BBB Given two integers A and B, return any string S such that: S has length A + B and contains exactly A 'a' letters, and e ...
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2019-01-27 16:24:44
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There is a pond with a rectangular shape. The pond is divided into a grid with H rows and W columns of squares. We will denote the square at the i-th ...
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2019-01-25 15:09:20
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【题目】 In a array A of size 2N, there are N+1unique elements, and exactly one of these elements is repeated N times. Return the element repeated N times ...
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2019-01-25 00:15:46
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Have Fun with Numbers Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it ...
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2019-01-23 21:37:40
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On a 2-dimensional grid, there are 4 types of squares: 1 represents the starting square. There is exactly one starting square. 2 represents the ending ...
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2019-01-23 01:33:49
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Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 2469135 ...
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2019-01-20 15:01:02
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