原创 Doctype and charset : standard of HTML--Head first into HTML

HTML use DOCTYPE to tell the browser which version of HTML they're using. In the older version of HTML, it's like this

2020-02-20 17:50:13

原创 Axes--D3 Interactive Data Visualization for the web

D3's axes are actually functions whose parameters you define.  when an axis function is called, it doesn't return a va

2020-02-20 17:50:13

原创 div and span in HTML and CSS

<div>  means divide page into logical sections or groupings. What is a logical section: It's just a group of elements

2020-02-20 17:50:13

原创 Link in the HTML--Head first into HTML

1. Link <a href="path"> content  </a> <a> element to create a hypertext link to another web page. The content of the

2020-02-20 17:50:13

原创 video element in HTML

1.   <video controls autoplay width="512 height="288" src="video/tweetsip.mp4"> </video> Add more video formats to t

2020-02-20 17:50:13

原创 Python internals: Symbol tables, part 2

點擊打開鏈接  Eli Bendersky's website  About Code Archives Python internals: Symbol tables, part 2  September

2018-09-04 03:14:03

原创 More than you ever wanted to know about GeoJSON

點擊打開鏈接 關於GeoJason很好的介紹文章 Let's look at GeoJSON in a little more depth, from the ground up. Understanding these co

2018-09-04 03:14:03

原创 Fear

似乎內心有很多的恐懼，害怕沒有工作，害怕被人judge，害怕沒人愛，害怕傷害到他人，害怕孤獨，害怕家庭，害怕嫁不掉..... 爲什麼要害怕？害怕的情緒哪裏來的？ 看到蛇，我們會感到害怕，因爲它們很可能會傷到我們。看到狗，會害

2018-09-04 03:14:03

原创 two great articles about THIS in Javascript

點擊打開鏈接Tom Hicks Some of this 11 AUG 2014 Bjorn Tipling wrote an interesting article about the this ke

2018-09-04 03:14:03

原创 Thinking with Joins

點擊打開鏈接  February 5, 2012Mike Bostock Thinking with Joins Say you’re making a basic scatterplot using D3, and you n

2018-09-04 03:14:03

原创 D3 scales and colors

By Jerome Cukier 點擊打開鏈接 Scales: the main idea scales transform a number in a certain interval( called domain) into a

2018-09-04 03:14:03 1

原创 40 Key Computer Science Concepts Explained In Layman’s Terms

http://carlcheo.com/compsci To make learning more fun and interesting, here’s a list of important computer science

2018-09-04 03:14:03

原创 Order of evaluation

expression[ ik-spresh-uhn]  noun 1. the act of expressing or setting forth in words: the free expression of polit

2018-09-04 03:14:03 2

原创 編譯 鏈接 --轉自阮一峯

點擊打開鏈接 阮一峯的網絡日誌 » 首頁 » 檔案 上一篇：JavaScript  下一篇：數據可視化：基本圖表  分類：   理解計算機 編譯器的工作過程

2018-09-04 03:14:03