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原创 numpy
import Numpy as np arr = [0,1,2,3,4,5,6,7,8,9] np.max np.min np.log np.arange(0,11) #生成0-10的([0,1,2,3,4,5,6,7,8,9,10]) numpy list 和 python list的不同 #批量设置list中元素 broadcasting arr[0:5] = 100 out: [100,100,100,100,100,5,6,7,8,9,10] 只看array中部分元素 slice_of_ar
2020-09-03 19:08:05
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原创 CS106A 04 计算机科学发展史
CS science/study of problem solving with computers/computational method 2. programming 只是一个工具 天文学和望远镜之间的区别 3. machine language : 0's and 1's java \ c \ c++ 需要编译器编译成机器能懂的语言 4. 程序员写的...
2020-05-05 22:33:12
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原创 Udemy The Web Developer Bootcamp - CSS
Intro to CSS 定义 cascading style sheets skin of your website general Rule selector { property: value; antherProperty: value; } eg /*make all h1's purple and 56px font*/ h1{ color: purple; font-...
2020-05-05 14:51:42
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原创 Udemy - The Web Developer Bootcamp - HTML Basics
定义: HTML is not a programming language; it is a markup language that defines the structure of your content. 例如,粗体 ,标题 ,分段 MDN : important resource for html, css, js 书写方法: 用sublime, 文件名应以.html为后缀 可...
2020-05-04 11:03:13
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原创 Stanford CS106A 03 Karel and Java
常见error: OBOB: one off by one Stepwise refinement process 达到原语级别 decomposition 把问题逐步分解 原则: 1. 一个method solve 1 problem 2. most methods should between 1 -15 lines long 3. good name should describe wha...
2020-05-04 08:45:37
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