Domain Summary

cs61a.org

cs 61a: structure and interpretation of computer programs

CS 61A Spring 2024

Global rank: #486668
Daily visitors: 3.09K
Monthly Visits: 92,674
Pageviews per user: 3.67
Registrar Abuse Contact Email: [email protected]
Registrant Phone:
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TLD: org
IP Address: 216.239.38.21
Organization: Google LLC
Category: Science and Education >
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cs 61a: structure and interpretation of computer programs

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cs61a.org Trust Score

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Mentioned on Their Website:

  • www-inst.eecs.berkeley.edu
    Welcome to CS 61A! Lecture will begin at 2:10pm. (Until …

    https://www-inst.eecs.berkeley.edu/~cs61a/sp23/assets/slides/01-Computer_Science_full.pdf

    Lecture: Videos/recordings posted to cs61a.org Lab: Practice ideas from lecture on a computer (often in pairs) Discussion: Practice ideas from lecture on paper (often in groups) Assignments: Weekly homework + 4 large projects Staff Office Hours: Get 1-on-1 help with assignments & work with peers

  • inst.eecs.berkeley.edu
    CAS - Central Authentication Service - University of California, …

    https://inst.eecs.berkeley.edu/~cs61a/sp23/articles/61a-code-docs/

    How to Sign In as a SPA. To sign in to a Special Purpose Account (SPA) via a list, add a "+" to your CalNet ID (e.g., "+mycalnetid"), then enter your passphrase.The next screen will show a drop-down list of all the SPAs you have permission to access.

  • wiki.cs61a.org
    Auth | CS 61A Infra Wiki

    https://wiki.cs61a.org/auth/

    The service account email address can be seen at auth.apps.cs61a.org. IMPORTANT: If the secret is compromised, IMMEDIATELY go to auth.apps.cs61a.org and recreate the client with a new secret, as anyone with the secret can access sensitive information shared with the service account. Basic Usage Drive

  • website.cs61a.org
    Extra Lecture Series | CS 61A Summer 2024

    https://website.cs61a.org/extra/

    These extra lectures are completely optional and open to everyone enrolled in 61A. They are held Thursdays 9-10am in 20 Social Sciences. 61A students can also enroll for 1 unit of P/NP credit in CS 198-175, Extra Topics on the Structure and Interpretation of Computer Programs, using CCN 34111. To pass this course, you need to complete all three ...

  • cs61a.org
    CS 61A Summer 2024

    https://cs61a.org/resources/

    31 rows · CS 61A Summer 2024. Archive. Walkthrough videos require that you log into …

  • website.cs61a.org
    Homework 2 | CS 61A Spring 2024

    https://website.cs61a.org/hw/hw02/

    Write a function called product that returns the product of the first n terms of a sequence. Specifically, product takes in an integer n and term, a single-argument function that …

  • larynqi.com
    CS 61A Scheme, Scheme Lists Fall 2021 Discussion 10: …

    https://larynqi.com/assets/fa21/disc10-sol.pdf

    CS 61A. ists Fall 2021Discussion 10: November 3, 2021 SolutionsIntroductionIn the next part o. the course, we will be working with the Scheme programming language. In addition to learning how to write Scheme. programs, we will eventually write a Scheme interpreter in Project. 4!Scheme is a famous functional programming language from t.

  • cs61a.org
    Lab 2 Solutions | CS 61A Spring 2024

    http://cs61a.org/lab/sol-lab02/

    That final function h should take in an argument x and cycle through applying f1, f2, and f3 to x, depending on what n was. Here's what the final function h should do to x for a few values of n: n = 0, return x. n = 1, apply f1 to x, or return f1(x) n = 2, apply f1 to x and then f2 to the result of that, or return f2(f1(x)) n = 3, apply f1 to x ...

  • oh.cs61a.org
    CS 61A Queue

    https://oh.cs61a.org/

    Welcome to the 61A OH Queue! See the course website for the office hours schedule. Office Hours are usually held in Warren 101B. The queue will close at the end of office …

  • cs61a.org
    Pair Programming | CS 61A Summer 2024

    https://cs61a.org/articles/pair-programming/

    Pair Programming. Pair programming is a way to program collaboratively with a partner. It's a great approach when you're learning how to program, plus it's used by many companies in the tech industry. In pair programming, partners are working together at the same time . One partner is the "driver," who actually types the code.

  • wiki.cs61a.org
    Examtool | CS 61A Infra Wiki

    https://wiki.cs61a.org/examtool/

    Workflow. First, visit https://write.final.cs61a.org to write your exam, following these instructions. When your exam is ready, export it as a JSON and place the JSON in a folder. In that folder, run examtool deploy and select that JSON along with a roster CSV. When deployed, the exam will be accessible at https://exam.cs61a.org.

  • inst.eecs.berkeley.edu
    Project 2: CS 61A Autocorrected Typing Software

    https://inst.eecs.berkeley.edu/~cs61a/fa19/proj/cats/

    You will receive an early submission bonus point for submitting the entire project by Wednesday, Oct 2. You may work with a partner for the entire project. In this project, you will write a program that measures typing speed. Additionally, you will implement typing autocorrect, which is a feature that attempts to correct the spelling of a word ...

  • docs.cs61a.org
    Howamidoing - cs61a-apps

    https://docs.cs61a.org/howamidoing/

    If you are a current student or staff, you can visit howamidoing.cs61a.org to see it in action! Features ¶. Students: Authentication with okpy. View grade breakdown per assignment. …

  • cs61a.org
    Studying Guide | CS 61A Summer 2024

    https://cs61a.org/articles/studying/

    Exam Studying Guide. Courtesy of Josh Hug, with slight modifications for CS 61A. Studying for an exam is about gaining a level of familiarity with the material such that you can …

  • caiscoding.github.io
    Lab 10: Scheme | CS61A-Spring2022

    https://caiscoding.github.io/CS61A-Spring2022/labs/lab10/README-zh_CN.html

    第一个操作数是 Scheme 中所谓的 谓词 表达式,一个表达式的值被解释为 #t 或 #f 。. 计算 if 特殊形式表达式的规则如下:. 计算 。; 如果 求值为真值,那么计算并返回 if 表达式 的值。 否则,如果提供了 [if-false] 的值,就计算并返回该值。; 你能明白为什么这个表达式是一个 ...

  • github.com
    Cal-CS-61A-Staff/61a-code - GitHub

    https://github.com/Cal-CS-61A-Staff/61a-code

    Try the production version at https://code.cs61a.org! Web Editor. In the releases, download the latest web.zip file, activate the pipenv, and run app.py to start a Flask server. Alternatively, run. yarn yarn web-dist yarn web-dev to start the editor in development mode. (You will need to add the additional files and run the setup for this to work)

  • inst.eecs.berkeley.edu
    Working with Persistent, Related Objects - inst.eecs.berkeley.edu

    https://inst.eecs.berkeley.edu/~cs61a/sp22/assets/slides/24-Object-Relational_Mappings.html

    vanshaj [at] berkeley [dot] edu Notable Properties. An Animal may or may not be living in a Shelter, stored in animal.shelter.; A Shelter may have any number of Animals, stored in shelter.animals.; Whenever we change the shelter of an animal, we need to remove it from the old shelter.animals and add it to the new shelter.animals.; Whenever we remove an …

  • coursehero.com
    hw5 - Homework 5 Solutions | CS 61A Spring 2017 http:/cs61a.org…

    https://www.coursehero.com/file/22112619/hw5/

    That is, each operand is a child of the operator that applies to it. In lecture, we looked at evaluating an expression that contains only numbers and operators. For this problem, we'll work at simplifying an expression that may contain variables without necessarily evaluating it. For example, 2 * (x + 0) + y * 0 could be simplified to 2 * x . For this problem, the only …

  • ipaddress.com
    Cs61A.org - CS 61A Fall 2023 - What Is My IP Address?

    https://ipaddress.com/website/cs61a.org/

    cs61a.org is the official website for the computer science course CS61A at the University of California, Berkeley. The website provides resources for students enrolled in the course, including lecture notes, assignments, and exams. It also offers information about the course staff, office hours, and additional support resources. ...

  • coursehero.com
    Lab 2 Solutions CS 61A Summer 2020.pdf - Course Hero

    https://www.coursehero.com/file/81321592/Lab-2-Solutions-CS-61A-Summer-2020pdf/

    View Lab 2 Solutions _ CS 61A Summer 2020.pdf from COMPSCI 61A at University of California, Berkeley. 8/7/2020 Lab 2 Solutions | CS 61A Summer 2020 Lab 2 Solutions lab02.zip (lab02.zip) Solution

  • bilibili.com
    CS61A 结课笔记、感想以及资源 - 哔哩哔哩

    https://www.bilibili.com/read/cv18152970/

    CS61A 结课笔记、感想以及资源. 终于把CS61A 收掉了!. 最后写了一下final test,得分是76,和树有关的东西都扣爆了,扣了18分,最后看了一下是自己都会的题目.....勉强达到了心里的及格分,于是就出来分享一下有关61A的资源,评价,以及知识点了. 开 …

  • bilibili.com
    [CS 61A Spring 2023] 合集1_哔哩哔哩_bilibili

    https://www.bilibili.com/video/BV138411F7vT/

    科技. 计算机技术. computer science. rayneyy. :) [CS 61A Spring 2023] 合集1共计199条视频,包括:Disc 00 Getting Started、Lectures 2-4 Expressions、Lectures 2-4 Names, Assignment, and User-Defined Functions等,UP主更多精彩视频,请关注UP账号。.

  • wiki.cs61a.org
    Home | CS 61A Infra Wiki

    http://wiki.cs61a.org/

    Welcome to the CS 61A Infrastructure Wiki! This wiki contains information about how various CS 61A software works and how you can contribute to it. We also plan on …

  • cs61a.org
    61A Code Documentation | CS 61A Summer 2024

    https://cs61a.org/articles/61a-code-docs/

    61A Code Documentation. code.cs61a.org is an online interpreter for all three of the languages (Python 3.9, 61A Scheme, and the SQLite variant of SQL) taught in this …

  • www2.eecs.berkeley.edu
    Course: CS 61A | EECS at UC Berkeley

    https://www2.eecs.berkeley.edu/Courses/CS61A/

    CS 61A. The Structure and Interpretation of Computer Programs. Catalog Description: An introduction to programming and computer science focused on abstraction techniques …

  • blog.csdn.net
    CS61A自学者学习指南_cs61a官网-CSDN博客

    https://blog.csdn.net/weixin_40244676/article/details/109115361

    CS61A自学者学习指南. 相信找到这篇博客的同学们已经知道了CS61A的好处,多余的我就不解释了。. 首先放一个链接. CS61A The Structure and Interpretation of Computer Programs. 如上图所示,这个是所有CS61A的课程历史,其中本文写于2020年秋,最新的就是Fall 2020.只有这个是没有 ...

  • docs.cs61a.org
    Home - cs61a-apps

    https://docs.cs61a.org/

    Welcome to the CS 61A docs! This wiki contains documentation for all of our apps, which you can peruse through in the Github repo. It also contains information about how …

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DNS Lookup

DNS entries, such as A, NS, MX, and TXT records, are crucial for the functioning of the Internet. The A record maps a domain name to an IPv4 address, while the NS record specifies authoritative name servers for a domain. The MX record identifies the mail server responsible for receiving email messages for a domain. Additionally, the TXT record allows for the association of any text information with a domain name. These records play a vital role in ensuring proper communication and connectivity across the internet.

HostClassTTLTypeData
cs61a.orgIN300Aip: 216.239.34.21
cs61a.orgIN300Aip: 216.239.38.21
cs61a.orgIN300Aip: 216.239.32.21
cs61a.orgIN300Aip: 216.239.36.21
cs61a.orgIN3600NStarget: ns-cloud-c4.googledomains.com
cs61a.orgIN3600NStarget: ns-cloud-c1.googledomains.com
cs61a.orgIN3600NStarget: ns-cloud-c3.googledomains.com
cs61a.orgIN3600NStarget: ns-cloud-c2.googledomains.com
cs61a.orgIN21600SOAmname: ns-cloud-c1.googledomains.comrname: cloud-dns-hostmaster.google.comserial: 5refresh: 21600retry: 3600expire: 259200minimum-ttl: 300
cs61a.org.netIN600MXtarget: 0.0.0.0pri: 1000
cs61a.orgIN300TXTtxt: google-site-verification=QmXDoF0aNsYPQKkx9B6nCOV69tGO1Wbs_nyctRkuHqY
cs61a.orgIN300AAAA
cs61a.orgIN300AAAA
cs61a.orgIN300AAAA
cs61a.orgIN300AAAA

cs61a.org Traffic Analysis

According to global rankings, cs61a.org holds the position of #486668. It attracts an approximate daily audience of 3.09K visitors, leading to a total of 3202 pageviews. On a monthly basis, the website garners around 92.67K visitors.

Daily Visitors3.09K
Monthly Visits92.67K
Pages per Visit3.67
Visit Duration0:05
Bounce Rate45.38%
Want complete report?Full SEMrush Report >>
Daily Unique Visitors:
3089
Monthly Visits:
92674
Pages per Visit:
3.67
Daily Pageviews:
3202
Avg. visit duration:
0:05
Bounce rate:
45.38%
Monthly Visits (SEMrush):
95130

Traffic Sources

SourcesTraffic Share
Social:
2.89%
Paid Referrals:
17.10%
Mail:
0.68%
Search:
19.87%
Direct:
59.46%

Visitors by Country

CountryTraffic Share
United States:
39.47%
China:
18.07%
Hong Kong:
14.08%
Turkey:
10.50%
Taiwan:
3.36%

SSL Checker - SSL Certificate Verify

An SSL certificate is a digital certificate that ensures a secure encrypted connection between a web server and a user's browser. It provides authentication and encryption to keep data private and protected during transmission. cs61a.org supports HTTPS, demonstrating their commitment to providing a secure browsing experience for users.

name
cs61a.org
hash
a5e3c633
issuer
Google Trust Services LLC
version
2
serialNumber
87990277492299053473261878489761741275
validFrom_time_t
1712174796
validTo_time_t
1719953585
signatureTypeSN
RSA-SHA256
signatureTypeLN
sha256WithRSAEncryption
signatureTypeNID
668
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
F7:1E:E3:C5:82:00:12:6C:19:93:E9:E1:9D:A8:27:6A:91:AD:C0:E6
authorityKeyIdentifier
keyid:25:E2:18:0E:B2:57:91:94:2A:E5:D4:5D:86:90:83:DE:53:B3:B8:92
authorityInfoAccess
OCSP - URI:http://ocsp.pki.goog/s/gts1d4/mEjlj9BI_P8 CA Issuers - URI:http://pki.goog/repo/certs/gts1d4.der
subjectAltName
DNS:cs61a.org
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.11129.2.5.3

HTTP Headers

HTTP headers are additional segments of data exchanged between a client (e.g. a web browser) and a server during an HTTP request or response. They serve to provide instructions, metadata, or control parameters for the interaction between the client and server.

Status
HTTP/1.1 200 OK
content-disposition
inline; filename=index.html
content-type
text/html; charset=utf-8
last-modified
Wed, 29 May 2024 01:19:05 GMT
cache-control
public, max-age=900.0
expires
Wed, 29 May 2024 01:34:05 GMT
etag
"1716945545.4810643-80772-817300921"
X-Cloud-Trace-Context
ef883b9e08852b64bf2b290ac09775cf
Content-Length
80772
Date
Wed, 29 May 2024 01:19:05 GMT
Server
Google Frontend

Where is cs61a.org hosted?

cs61a.org is likely hosted in various data centers located across different regions worldwide. The current data center mentioned is just one of many where the website may be hosted.

Whois Information

WHOIS protocol used to get domain/IP info. Common for reg details, ownership of a domain/IP. Check cs61a.org for reg/admin contact info, owner, org, email, phone, creation, and expiration dates.

Domain Updated Date:2023-10-11
Domain Created Date:2014-06-23
Domain Expiry Date:
Domain Name:
Registrar WHOIS Server:whois.squarespace.domains
Registrar Abuse Contact Email:[email protected]
Registrar Abuse Contact Phone:+1.6466935324
Domain Registrar:Squarespace Domains II LLC
Domain Owner:Contact Privacy Inc. Customer 7151571251

Domain Name: cs61a.org

Registry Domain ID: 55ea954658564d1da303de5108878467-LROR

Registrar WHOIS Server: whois.squarespace.domains

Registrar URL: https://domains.squarespace.com

Updated Date: 2023-10-11T18:21:36Z

Creation Date: 2014-06-23T04:48:18Z

Registry Expiry Date: 2024-06-23T04:48:18Z

Registrar: Squarespace Domains II LLC

Registrar IANA ID: 895

Registrar Abuse Contact Email: [email protected]

Registrar Abuse Contact Phone: +1.6466935324

Registrant Organization: Contact Privacy Inc. Customer 7151571251

Registrant State/Province: ON

Registrant Country: CA

Name Server: ns-cloud-c4.googledomains.com

SEO Analysis

SEO analysis involves examining the performance of a website, including titles, descriptions, keywords, and website speed. It also includes identifying popular keywords and researching competitor websites to understand their strategies. The analysis aims to optimize the website's visibility and improve its ranking on search engines.

Title Tag:
CS 61A Spring 2024

Length: 18 characters

Title tags are usually best kept short, within 50-70 characters. It's important to note that search engines will typically read the entire title tag even if it exceeds 70 characters, but there is a chance they may cut it off or disregard it.

Meta Description:

No meta description found.

Length: 0 characters

When crafting website descriptions, keep in mind that search engines only show the first 150-160 characters in search results. To ensure your entire description is visible, aim for a length of 25-160 characters. If your description is too long, it may get cut off. Conversely, if it's too short, search engines may add text from elsewhere on your page. Additionally, search engines may modify the description you provide to better match the user's search intent. It's best to strike a balance between brevity and relevance for optimal visibility.

Meta Keywords:

No meta keywords found.

In the realm of search engine optimization, the meta keywords tag has become a relic of the past due to its potential for misuse, ultimately leading major search engines to disregard it in their ranking algorithms.

Keywords Cloud:
Term Count Density
due 92 6.42%
thursday 45 3.14%
videos 43 3.00%
feb 39 2.72%
recording 38 2.65%
lab 37 2.58%
solutions 36 2.51%
wed 31 2.16%
newer 30 2.09%
older 30 2.09%
announcements 30 2.09%
wednesday 30 2.09%
monday 29 2.02%
slides 28 1.95%
tuesday 28 1.95%
homework 25 1.74%
lecture 24 1.67%
midterm 20 1.40%
project 19 1.33%
friday 19 1.33%
fri 17 1.19%
early 16 1.12%
scheme 16 1.12%
mon 16 1.12%
submission 15 1.05%

A crucial factor in search engine optimization is keyword density, which refers to the proportion of a particular keyword present in the text of a webpage. In order to achieve high rankings on search engine results pages, it is essential to maintain the appropriate keyword density for your primary keyword.

Headings:
<H1>
1
<H2>
32
<H3>
3
<H4>
0
<H5>
0
<H6>
0
<h1>CS 61A: Structure and Interpretation of Computer Programs</h1>
<h2>Announcements: Wednesday, January 31</h2>
<h2>Announcements: Monday, January 29</h2>
<h2>Announcements: Friday, February 2</h2>
<h2>Announcements: Wednesday, February 7</h2>
<h2>Announcements: Monday, February 12</h2>
<h2>Announcements: Friday, February 9</h2>
<h2>Announcements: Friday, January 26</h2>
<h2>Announcements: Monday, January 22</h2>
<h2>Current Assignments</h2>
<h2>Calendar</h2>
<h2>Announcements: Saturday, January 6</h2>
<h2>Announcements: Friday, January 12</h2>
<h2>Announcements: Friday, January 19</h2>
<h2>Announcements: Wednesday, January 17</h2>
<h2>Announcements: Wednesday, January 24</h2>
<h2>Announcements: Wednesday, February 14</h2>
<h2>Announcements: Monday, April 8</h2>
<h2>Announcements: Friday, April 5</h2>
<h2>Announcements: Friday, February 16</h2>
<h2>Announcements: Monday, April 15</h2>
<h2>Announcements: Friday, April 19</h2>
<h2>Announcements: Friday, April 26</h2>
<h2>Announcements: Wednesday, April 24</h2>
<h2>Announcements: Thursday, March 21</h2>
<h2>Announcements: Monday, April 1</h2>
<h2>Announcements: Wednesday, February 28</h2>
<h2>Announcements: Friday, February 23</h2>
<h2>Announcements: Monday, March 18</h2>
<h2>Announcements: Friday, March 1</h2>
<h2>Announcements: Wednesday, March 6</h2>
<h2>Announcements: Wednesday, March 13</h2>
<h2>Announcements: Friday, March 8</h2>
<h3> Policies </h3>
<h3> CS 61A </h3>
<h3> Resources </h3>

In SEO, the primary focus is placed on keywords within the content. The title of the page holds the highest importance, followed by heading tags such as h1, h2, and h3. The h1 heading should be the largest on the page, while the h2 heading should be slightly smaller, and the h3 heading even smaller. This hierarchical structure is crucial for optimizing search engine rankings.

Image Alt Attribute:
8 images found in your page, and 8 images are without "ALT" text.

What is the issue about?
The tag does not have an ALT attribute defined. As a general rule, search engines do not interpret the content of image files. The text provided in the attribute enables the site owner to provide relevant information to the search engine and to the end user. Alt text is helpful to end users if they have images disabled or if the image does not properly load. In addition, the Alt text is utilized by screen readers. Make sure that your Alt text is descriptive and accurately reflects what the image represents and supports the content on the page.

How to fix?
Use the <img alt> attribute to write descriptive content for the image: <img source='pic.gif' alt='Accurate and descriptive keyword text that represents the image.' />.

Website Speed Test (Desktop):
0.19 seconds

Website speed is a measurement of how fast the content on your page loads. Website speed is one of many factors involved in the discipline of search engine optimization (SEO), but it is not the only one. In a recent study, the average load time for a web page was 3.21s.

Top Organic Search Terms:
Term Search Volume Traffic Traffic (%)
cs61a fall 2021 40 0 0%

CO-Hosted

CoHosted refers to a situation where multiple domain names (websites) are using the same IP address to point to their respective web servers. They could be owned by different individuals or organizations and may serve entirely different purposes.

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Very positive reviews

rating 5

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Average score: 5 stars

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