Zhentiw - 博客园

2019年3月13日

[HTML5] Using the focus event to improve navigation accessibility (nextElementSibling)

摘要： For a menu item, when we tab onto it, we want this element get 'focus' event, so that the submenu will show up. In the post, we will see how to achiev 阅读全文

posted @ 2019-03-13 16:29 Zhentiw 阅读(217) 评论(0) 推荐(0)

[Javascript] Coding interview problem: Scheduler functional way

摘要： 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 阅读(252) 评论(0) 推荐(0)

2019年3月12日

[Algorithm] Tree: Lowest Common Ancestor

摘要： 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 阅读(213) 评论(0) 推荐(0)

[NPM] Execute Code from a Remote GitHub Branch with npx

摘要： 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 阅读(523) 评论(0) 推荐(0)

[NPM] Execute npx commands with $npm_ Environment Variables

摘要： 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 阅读(332) 评论(0) 推荐(0)

[NPM] Use npx to run commands with different Node.js versions

摘要： 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 阅读(209) 评论(0) 推荐(0)

[Node.js] Gzip + crypto in stream

摘要： We can using gzip and crypto with stream: Also unzip it: 阅读全文

posted @ 2019-03-12 14:49 Zhentiw 阅读(350) 评论(0) 推荐(0)

[Node.js] Stream all things!

摘要： 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 阅读(304) 评论(0) 推荐(0)

[Javascript] Understand Curry

摘要： 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 阅读(169) 评论(0) 推荐(0)

2019年3月11日

[Algorithm] Tower Hopper Problem

摘要： 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 阅读(457) 评论(0) 推荐(0)

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