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RSS订阅原创 Fear
似乎内心有很多的恐惧，害怕没有工作，害怕被人judge，害怕没人爱，害怕伤害到他人，害怕孤独，害怕家庭，害怕嫁不掉.....为什么要害怕？害怕的情绪哪里来的？看到蛇，我们会感到害怕，因为它们很可能会伤到我们。看到狗，会害怕，因为它们可能会咬到我们，这些害怕都是有利的，它们让我们活下去，去面对这些生存的风险。但是，为何我害怕当众演讲？害怕公
2015-09-20 09:23:04
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原创 小聪明（聪明的幻想)和走向真聪明
The problem is not you are not smart, but you are trying too hard to looks like smart. However, this will only make you dumb to others and also annoying. If you really want to be truly smart
2015-08-28 08:56:05
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转载 情绪相关
Mindfulness: How to Call Off the Emotional Attack Dogsby the most renowed scientist! 点击打开链接
2015-08-27 20:13:40
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原创 大脑基础知识--TED:
TED Talk： The quest to understand consciousness 链接 点击打开链接 很精彩Allan Jones: A map of the brain 点击打开链接
2015-08-16 20:55:38
633
原创 Computer Organization--这些年上过的好课
Indian IIT Opencourse:计算机结构（computer organization）https://www.youtube.com/watch?v=ZKBLirP5jo8&index=33&list=PL1A5A6AE8AFC187B7
2015-08-15 13:14:27
670
转载 Python internals: Symbol tables, part 2
点击打开链接 Eli Bendersky's website About Code ArchivesPython internals: Symbol tables, part 2 September 20, 2010 at 07:59 Tags Articles , Python internals
2015-07-18 15:17:36
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转载 Python Symbol Table
点击打开链接 Eli Bendersky's website About Code ArchivesPython internals: Symbol tables, part 1 September 18, 2010 at 08:03 Tags Articles , Python internals
2015-07-18 15:16:19
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转载 Order of evaluation
expression[ ik-spresh-uhn] noun1.the act of expressing or setting forth in words: the free expression of political opinions.cppreference.com
2015-07-18 14:25:31
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转载 编译 链接 --转自阮一峰
点击打开链接阮一峰的网络日志 » 首页 » 档案上一篇：JavaScript 下一篇：数据可视化：基本图表 分类： 理解计算机编译器的工作过程作者： 阮一峰日期： 2014年11月11日
2015-07-10 15:54:09
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转载 40 Key Computer Science Concepts Explained In Layman’s Terms
http://carlcheo.com/compsciTo make learning more fun and interesting, here’s a list of important computer science theories and concepts explained with analogies and minimal technical terms
2015-06-11 13:11:02
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转载 More than you ever wanted to know about GeoJSON
点击打开链接关于GeoJason很好的介绍文章Let's look at GeoJSON in a little more depth, from the ground up. Understanding these concepts will help you understand geospatial data in general, too: the
2015-05-10 19:22:52
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转载 Javascript Mouse event
点击打开链接还有mousemoveVisualisation library: D3.jsBy Anthony NosekD3.js is fast becoming the default standard in data visualisation libraries. In this short tutorial I’ll discus
2015-05-10 18:01:44
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转载 two great articles about THIS in Javascript
点击打开链接Tom HicksSome of this11 AUG 2014Bjorn Tipling wrote an interesting article about the this keyword in JavaScript. Whilst it did explain lots of the different ways in whi
2015-05-10 09:49:34
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转载 An intro to map from mapschool
点击打开链接map schoolWhat is a map? Until the 1980s, maps were painstaking documents created by hand. These days maps are almost always made with the help of a computer. Maps today are co
2015-05-08 22:48:23
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转载 D3 scales and colors
By Jerome Cukier点击打开链接Scales: the main ideascales transform a number in a certain interval( calleddomain) into a number in another interval( calledrange)For instanc
2015-05-08 18:43:45
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转载 Understand Selections in D3
1. How Selection works by Mike Bostocknote:this is a great work by Mike. Look carefully and assimilate it.点击打开链接2.Two TablesUnderstanding D3 selections
2015-05-08 09:39:51
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转载 Thinking with Joins
点击打开链接 February 5, 2012Mike BostockThinking with JoinsSay you’re making a basic scatterplot using D3, and you need to create some SVG circle elements to visualize your data. You
2015-05-08 08:50:17
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转载 Basic Shapes in SVG
The area of the canvas your document intends to use is called the viewport.lines<line x1="start-x" y1="start-y" x2="end-x" y2="end-y" />attributestroke-width
2015-05-07 18:01:31
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转载 form element--part 2
number inputrange inputcolor inputdate inputemail inputtel inputurl input
2015-05-04 17:33:56
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转载 form element in HTML--Part1
how the forms work in the browse1. The browse loads the pagethe browser load the HTML page like it always does, when it encounters form elements, it creates controls on the page that allow you
2015-05-04 15:22:01
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转载 video element in HTML
1. Add more video formats to the elementWe can even more specific by specify the codecs.Fallback if your browsers don't support those formats
2015-05-04 11:11:34
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转载 Shortcut for some CSS properties: padding, background
1. padding:padding-top: 0px;padding-right:20px;padding-bottom: 30px;padding-left: 10px;now we type as padding: 0px 20px 30px 10px;padding: 20px; is the same as padding: 20px
2015-05-04 09:34:55
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原创 Visual display of quantitative information
1. data measure: the graphical element that actually locates or plots the data is the data measures.like, the bars of a bar plot; the dots of a scatterplot; the dots and the dashes of a dot-dash
2015-05-03 22:46:06
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转载 pesudo-class of <a> element
a: link {color: green; applied to links when they are in an unvisited state{a: visited {color: red; applied to links when they are visited}a: hover {color: yellow appli
2015-05-02 14:47:27
488
转载 div and span in HTML and CSS
means divide page into logical sections or groupings.What is a logical section: It's just a group of elements that are all realted on the page. Width of the content area
2015-05-02 13:52:39
441
转载 media in the link element -CSS and select by #id
ADD media queries into HTML media="screen and (max-device-width: 480px)"> media="print">ADD media queries right into CSS@media screen and (min-device-width:481px) {#guarantee {margin-r
2015-05-02 12:03:04
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转载 Box model in CSS-- Head first into CSS
1. line height: the space between linesyou can usepixels or em, percentagethat is relative to font-size to specify the value body {line-height: 1.6em;}2. BOX CSS treats
2015-05-02 10:27:39
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转载 Font in CSS {font size, font color, font weight, text decoration, font family
font-familybody { font-family: Verdana, Geneva, Arial, sans-serif; /* for font-family name, if there are more than one word, using double quote. like font-family: "Courier New", Cou
2015-05-01 23:12:29
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转载 CSS and its selectors- Head first into HTML
We can use CSS to handle styles for multiple pages .Use comma to select multiple elements, likeh1, h2 {font-family: sans-serif;color: gray;}You can have as many rules as you want for a
2015-05-01 18:46:47
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转载 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 thisnow, with HTML5, we use instead of the verbose ones.HTML
2015-05-01 18:10:49
379
转载 Domain name, HTTP, URL-- Head first into HTML
the protocol part (usually HTTP) tells the browser the method it should use to retrieve the resourcethe website name (which consists of the server name and the domain name) tells the browser which c
2015-05-01 14:06:08
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转载 DOM--Head first into HTML
how to use in the html text:>:>not write the element rocks. But The <html> element rocks.if you want to use & symbol, use & instead.
2015-05-01 14:04:36
376
转载 Web page construct -- Head first into HTML
1. Create a rough sketch of the journal that is the basis for your page design2. Use the basic building blocks of HTML to translate sketch into an outline.3. Translate the outline into real HTML
2015-05-01 13:02:37
424
转载 Link in the HTML--Head first into HTML
1. Linkpath"> content element to create a hypertext link to another web page. The content of the element becomes clickable in the web page. The href attributes tells the browser the de
2015-05-01 12:05:25
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转载 The language of the web --Head First into HTML and CSS Chapter 1
1. Web servers have a full-time job on the Internet, tirelessly waiting for requests from web browsers. What kinds of requests? Requests for web pages, images, sounds, or maybe even a video. When a
2015-05-01 11:24:52
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转载 Interactivity--D3
1. event listener: on ("event_name", behavior);commonly, you will want to bind event listeners to more than one element at a time, such as to all of the visual elements in your visualization. Fo
2015-04-30 12:10:40
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转载 Transition: D3 Introduction to interactive data visualization for the web
Dynamic Data1. Ordinal Scalesvar xScale = d3.scale.ordinal() // used for ordinal data, typically categories with some inherent order to them.domain(d3.range(dataset
2015-04-29 21:25:46
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转载 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 value like scale, but generate the visual elements of the axis, including lines
2015-04-29 15:53:23
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2018-01-22
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