Zhentiw - 博客园

2019年3月14日

[Bash] Create Aliases in .bash_profile for Common Bash Commands

摘要： .bash_profile is a file that bash invokes (or more technically sources) before the start of a new bash session. In .bash_profile, we have the opportun 阅读全文

posted @ 2019-03-14 18:00 Zhentiw 阅读(317) 评论(0) 推荐(0)

[Algorithm] Radix Sort Algorithm

摘要： For example we have the array like this: First step is using Counting sort for last digit, in our example is: Then sort according to the last digit: T 阅读全文

posted @ 2019-03-14 15:45 Zhentiw 阅读(314) 评论(0) 推荐(0)

2019年3月13日

[Algorithm] Universal Value Tree Problem

摘要： A unival tree (which stands for "universal value") is a tree where all nodes under it have the same value. Given the root to a binary tree, count the 阅读全文

posted @ 2019-03-13 20:54 Zhentiw 阅读(456) 评论(0) 推荐(0)

[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(216) 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(251) 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(211) 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(520) 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(331) 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(207) 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(348) 评论(0) 推荐(0)

Answer1215

公告