csdiy - 随笔分类 - viewoverlook

Lecture4

摘要：Lecture4 What are streams? “stream: an abstraction for input/output. Streams convert between dataand the stringrepresentation ofdata.” 流: 对输入输出的一种抽象。留阅读全文

posted @ 2024-05-05 23:59 viewoverlook 阅读(33) 评论(0) 推荐(0)

lecture8 Template Classes + Const Correctness

摘要：lecture8 Template Classes + Const Correctness Classes Recap “Template Class: A class that is parametrized over some number of types. A class that is c 阅读全文

posted @ 2024-05-05 23:57 viewoverlook 阅读(29) 评论(0) 推荐(0)

lecture7

摘要：lecture7 class 类简介 “Class: A programmerdefined custom type. An abstraction of an object or data type.” 类：由程序员定义的特殊类型。是对一种对象或者数据类型的抽象但是这个问题已经有struct 了阅读全文

posted @ 2024-05-05 23:57 viewoverlook 阅读(17) 评论(0) 推荐(0)

自学课程参考

摘要：依照csdiy和名校公开课评价网的计算机自学指南其中csdiy我自己在我的linux系统中fork了一下这里就列举目前为止所有自学课程的网站cs50和cs61a以及MIT18.01已经上完了就不加了 cs61b 课程主页:(https://sp18.datastructur.es/) intro 阅读全文

posted @ 2024-01-16 11:25 viewoverlook 阅读(100) 评论(0) 推荐(0)

Lecture 5 命令行环境

摘要：Lecture 5 命令行环境课后练习任务控制我们可以使用类似 ps aux | grep 这样的命令来获取任务的 pid ，然后您可以基于pid 来结束这些进程。但我们其实有更好的方法来做这件事。在终端中执行 sleep 10000 这个任务。然后用 Ctrl-Z 将其切换到后台并使用 bg 阅读全文

posted @ 2024-01-03 20:05 viewoverlook 阅读(56) 评论(0) 推荐(0)

Lecture 4 数据整理

摘要：Lecture 4 数据整理练习学习一下这篇简短的交互式正则表达式教程. 统计words文件 (/usr/share/dict/words) 中包含至少三个a 且不以's 结尾的单词个数。这些单词中，出现频率前三的末尾两个字母是什么？ sed的 y命令，或者 tr 程序也许可以帮你解决大小写的阅读全文

posted @ 2024-01-03 20:04 viewoverlook 阅读(20) 评论(0) 推荐(0)

Lecture 3 vim

摘要：Lecture 3 vim 完成 vimtutor。备注：它在一个 80x24（80 列，24 行）终端窗口看起来最好。直接执行 vimtutor 下载我们的vimrc，然后把它保存到 ~/.vimrc。通读这个注释详细的文件（用 Vim!），然后观察 Vim 在这个新的设置下看起来和阅读全文

posted @ 2024-01-03 20:04 viewoverlook 阅读(36) 评论(0) 推荐(0)

Lecture 2 Shell Tools and Scripting

摘要：Lecture 2 Shell Tools and Scripting homework: 1.Read man ls and write an ls command that lists files in the following manner 读取 man ls 并编写按以下方式列出文件的 l 阅读全文

posted @ 2024-01-03 20:04 viewoverlook 阅读(43) 评论(0) 推荐(0)

Streams

摘要：Streams Sequence Operations Map, filter, and reduce express sequence manipulation using compact expressions Example: Sum all primes in an interval fro 阅读全文

posted @ 2024-01-03 20:03 viewoverlook 阅读(31) 评论(0) 推荐(0)

Scheme

摘要：Scheme scheme fundamentals scheme programs consist of expressions, which can be: primitive expression: 2, 3.3, true, +, quotient …… combination: (quti 阅读全文

posted @ 2024-01-03 20:03 viewoverlook 阅读(87) 评论(0) 推荐(0)

Higher Order Funcrtions

摘要：Higher Order Funcrtions 让我们做一个功能组合 >>> def combine_funcs(op): >>> """combine funcs(OP)(f,g)(x)=OP(f(x),g(x))""" >>> def combine(f,g): >>> def val(x): 阅读全文

posted @ 2024-01-03 20:01 viewoverlook 阅读(22) 评论(0) 推荐(0)

Debugging

摘要：Debugging Assert def fact(x): if x==0: return 1 else: return x*fact(x-1) def half_fact(x) return fact(x/2) 当按照以下调用时half_fact(5)时传入fact中的是一个非整数，不会出发ret 阅读全文

posted @ 2024-01-03 20:00 viewoverlook 阅读(26) 评论(0) 推荐(0)

Control

摘要：Control Print and None 区分python中两种类型的函数纯函数(pure functions): 函数中有一些输入(参数)并返回一些输出(调用返回结果) abs(-2) 可将内置函数abs描述为接受输入并产生输出的小型机器 abs在调用时除了返回值外不会造成其他任何影响，而且阅读全文

posted @ 2024-01-03 20:00 viewoverlook 阅读(48) 评论(0) 推荐(0)

Chapter 2 Building Abstract ions with Data

摘要：Chapter 2 Building Abstract ions with Data Native Data Types 到目前为止，我们使用的值都是 Python 语言中内置的少量的原始数据类型的实例。原始数据类型具有以下属性： ^13b410 有一些可以求解为原始数据类型的表达式，被称为字面量（阅读全文

posted @ 2024-01-03 19:59 viewoverlook 阅读(30) 评论(0) 推荐(0)

4_3 Declarative Programming

摘要：4_3 Declarative Programming In addition to streams, data values are often stored in large repositories called databases. A database consists of a data 阅读全文

posted @ 2024-01-03 19:59 viewoverlook 阅读(63) 评论(0) 推荐(0)

3_5 Interpreters for Languages with Abstraction

摘要：3_5 Interpreters for Languages with Abstraction The Calculator language provides a means of combination through nested call expressions. However, ther 阅读全文

posted @ 2024-01-03 19:59 viewoverlook 阅读(45) 评论(0) 推荐(0)

2_9 Recursive Objects

摘要：2_9 Recursive Objects Objects can have other objects as attribute values. When an object of some class has an attribute value of that same class, it i 阅读全文

posted @ 2024-01-03 19:58 viewoverlook 阅读(28) 评论(0) 推荐(0)

2_7 Object Abstraction

摘要：2_7 Object Abstraction The object system allows programmers to build and use abstract data representations efficiently. It is also designed to allow m 阅读全文

posted @ 2024-01-03 19:58 viewoverlook 阅读(49) 评论(0) 推荐(0)

2_5 Object-Oriented Programming

摘要：2_5 Object-Oriented Programming Object-oriented programming (OOP) is a method for organizing programs that brings together many of the ideas introduce 阅读全文

posted @ 2024-01-03 19:58 viewoverlook 阅读(54) 评论(0) 推荐(0)

lecture9

摘要：lecture9 Welcome! Static to Dynamic Flask Layout POST Frosh IMs Flask and SQL Session Store API JSON Summing Up Welcome! In previous weeks, you have l 阅读全文

posted @ 2024-01-03 19:56 viewoverlook 阅读(45) 评论(0) 推荐(0)

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