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Implement a job scheduler which takes in a function f and an integer n, and calls f after nmilliseconds 阅读全文
posted @ 2019-03-13 06:05
Zhentiw
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By given a tree structure, task is to find lowest common ancestor: For example, LCA(4, 5) --> >3 LCA(4,2) --> 1 LCA(3, 5) --> 3 LCA(6, 6) --> 6 Soluti 阅读全文
posted @ 2019-03-12 21:07
Zhentiw
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We will see how you can use npx to pull and execute code from a GitHub repository. If you need even more control, you can target a specific branch of 阅读全文
posted @ 2019-03-12 19:23
Zhentiw
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We will incorporate npm specific environment variables when executing various npx commands. In our example, we will transpile code to a folder name th 阅读全文
posted @ 2019-03-12 19:09
Zhentiw
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We will use npx to run a package using different versions of Node.js. This can become valuable when testing the various new features that are introduc 阅读全文
posted @ 2019-03-12 19:05
Zhentiw
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We can using gzip and crypto with stream: Also unzip it: 阅读全文
posted @ 2019-03-12 14:49
Zhentiw
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Node.js come alone with many Stream API. Stream is useful when handling large trunck of data. For example, we have a big file to read from file system 阅读全文
posted @ 2019-03-12 14:31
Zhentiw
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The act of currying can be described as taking a multivariate function and turning it into a series of unary functions. Let's see an example: This is 阅读全文
posted @ 2019-03-12 00:08
Zhentiw
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By given an array of number, each number indicate the number of step you can move to next index: For example index = 0, value is 4, means at most you 阅读全文
posted @ 2019-03-11 22:07
Zhentiw
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By given a binary tree, and a root node, find the deepest node of this tree. We have way to create node: Way to create tree: Way to construct tree: Th 阅读全文
posted @ 2019-03-11 21:00
Zhentiw
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