Zhentiw - 博客园

2019年5月31日

[Javascript] Customize Behavior when Accessing Properties with Proxy Handlers

摘要： A Proxy allows you to trap what happens when you try to get a property value off of an object and do some behavior before the value is accessed. For e 阅读全文

posted @ 2019-05-31 22:17 Zhentiw 阅读(164) 评论(0) 推荐(0)

[Algorithm] Max Chars Problem

摘要： // --- Directions // Given a string, return the character that is most // commonly used in the string. // --- Examples // maxChar("abcccccccd") === "c" // maxChar("apple 1231111") === "1" function m... 阅读全文

posted @ 2019-05-31 22:15 Zhentiw 阅读(228) 评论(0) 推荐(0)

[Functional Programming] Reader with Async ADT

摘要： ReaderT is a Monad Transformer that wraps a given Monad with a Reader. This allows the interface of a Reader that enables the composition of computati 阅读全文

posted @ 2019-05-31 22:08 Zhentiw 阅读(244) 评论(0) 推荐(0)

2019年5月21日

[Debug] Debugger Statements

摘要： For example you have the following code; If you want to debug is in Node, you can do: Then in cmd, run: Then just type 'continue' or just 'c'. It will 阅读全文

posted @ 2019-05-21 23:59 Zhentiw 阅读(280) 评论(0) 推荐(0)

[Svelte 3] Use an onMount lifecycle method to fetch and render data in Svelte 3

摘要： Every Svelte component has a lifecycle that starts when it is created, and ends when it is destroyed. There are a handful of functions that allow you 阅读全文

posted @ 2019-05-21 22:59 Zhentiw 阅读(342) 评论(0) 推荐(0)

[Svelte 3] Use DOM events and event modifiers in Svelte 3

摘要： The whole magic of webapps is that users can interact with our code via various DOM events and Svelte is no exception in that regard. In this quick le 阅读全文

posted @ 2019-05-21 22:43 Zhentiw 阅读(305) 评论(0) 推荐(0)

[React] Create a Persistent Reference to a Value Using React useRef Hook

摘要： The useRef is a hook for creating values that persist across renders. In this lesson we'll learn how to use the useRef hook to measure the width of an 阅读全文

posted @ 2019-05-21 13:52 Zhentiw 阅读(284) 评论(0) 推荐(0)

[React] Reduce Code Redundancy with Custom React Hooks

摘要： In this lesson, we'll cover how to create a custom React hook for managing the state of any input. This is one of the most powerful features of react 阅读全文

posted @ 2019-05-21 13:43 Zhentiw 阅读(346) 评论(0) 推荐(0)

2019年5月20日

[AngularJS] Decorator pattern for code reuse

摘要： Imaging you have a large application, inside this large application you have many small individual applications. main app / | \ small A Small B Small 阅读全文

posted @ 2019-05-20 15:51 Zhentiw 阅读(254) 评论(0) 推荐(0)

[Functional Programming] Async ADT

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posted @ 2019-05-20 01:25 Zhentiw 阅读(4) 评论(0) 推荐(0)

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