Zhentiw - 博客园

2020年8月12日

[React] Display Computed Data Using Recoil Selectors in React

摘要： In this lesson, we're going to show how RecoilJS selectors are used to display computed data in React. While atoms are the go-to state objects in Reco 阅读全文

posted @ 2020-08-12 02:40 Zhentiw 阅读(256) 评论(0) 推荐(0)

[Javascript] 4 ways to remove duplicates elements from an array with Javascript

摘要： Remove duplicates elements from an array is a common array task Javascript offers different alternatives to accomplish it. You can use a mix of method 阅读全文

posted @ 2020-08-12 02:34 Zhentiw 阅读(174) 评论(0) 推荐(0)

[ML] Cost Function

摘要： We can measure the accuracy of our hypothesis function by using a cost function. This takes an average difference (actually a fancier version of an av 阅读全文

posted @ 2020-08-12 02:29 Zhentiw 阅读(167) 评论(0) 推荐(0)

2020年8月10日

[CSS] Create Complex Shapes with CSS Clip Path and Border Radiusc (border-radius & clip-path)

摘要： In this lesson, we explore creating the Egghead Shell with CSS. We explore how different properties allow us to create different shapes and how we can 阅读全文

posted @ 2020-08-10 16:30 Zhentiw 阅读(160) 评论(0) 推荐(0)

[CSS] Create a Responsive Unit and Container

摘要： https://www.w3schools.com/cssref/css_units.asp In this lesson, we lay the foundations for creating a CSS illustration of the Egghead logo using the "t 阅读全文

posted @ 2020-08-10 16:11 Zhentiw 阅读(102) 评论(0) 推荐(0)

[Javascript] Number, toLocaleString() & Intl

摘要： When needing to format a number I've tended to lean towards Number.prototype.toFixed(), reach for a 3rd party library, or write custom functions. Howe 阅读全文

posted @ 2020-08-10 15:57 Zhentiw 阅读(288) 评论(0) 推荐(0)

[XState] Actor Model

摘要： Actor, which can invoke a promise to fetch data. import { createMachine, assign, interpret } from "xstate"; const elBox = document.querySelector("#box 阅读全文

posted @ 2020-08-10 15:46 Zhentiw 阅读(208) 评论(0) 推荐(0)

2020年8月7日

[XState] Parallel State and deep history state

摘要： const displayMachine = createMachine( { initial: "hidden", states: { hidden: { on: { TURN_ON: "visible.hist", }, }, visible: { // Add parallel states 阅读全文

posted @ 2020-08-07 01:45 Zhentiw 阅读(234) 评论(0) 推荐(0)

2020年8月6日

[Machine Learning] Evaluation Metrics

摘要： Evaluation Metrics are how you can tell if your machine learning algorithm is getting better and how well you are doing overall. Accuracy x x x Accura 阅读全文

posted @ 2020-08-06 21:04 Zhentiw 阅读(231) 评论(0) 推荐(0)

[CSS] Create Basic Effects with CSS box-shadow

摘要： Learn about the required and expanded syntax of CSS box-shadow. Then, create various kinds of effects such as shadows inside the element, a shadow tha 阅读全文

posted @ 2020-08-06 15:47 Zhentiw 阅读(143) 评论(0) 推荐(0)

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