David J. Malan

@davidjmalan · Cambridge MA 02138 USA · joined 02 Feb 2010

I teach @CS50. Gordon McKay Professor of the Practice of Computer Science, Harvard University, malan@harvard.edu. Verify at https://t.co/NGJZ2KGgTc.

126 106Followers

111Following

3 578Posts total

64KViews on collected posts

โพสต์ล่าสุด

David J. Malan@davidjmalan11 Aug

@davidjmalan @github you're the best teacher that I know 13 views · 0 likes · 0 reposts · 0 replies Open on X →

David J. Malan@davidjmalan22 Jul

@davidjmalan @github In computing the acronym BASIC stands for Beginner's All-purpose Symbolic Instruction Code. You dont even have the ability to Write programmes in BASIC. So, it makes No difference if You MEMORISE in Python, C, Java or BASIC. MEMORIZATION & Repitition is the S 45 views · 0 likes · 0 reposts · 0 replies Open on X →

David J. Malan@davidjmalan22 Jul

@davidjmalan @github Why dont You come to Bradford. I'll Give You a Specification for a Computer Program. You write the Implementation. Get 1 Billion Thai/Indians to Help you. Show me that Your Species Can write a Computer Program. 69 views · 1 likes · 0 reposts · 2 replies Open on X →

David J. Malan@davidjmalan19 Apr

https://t.co/hjmQnrkI0l 7.8K views · 31 likes · 1 reposts · 1 replies Open on X →

David J. Malan@davidjmalan1 Jan

Now live on @edXOnline, this is CS50x 2026, @CS50's (free) introduction to the intellectual enterprises of computer science and the art of programming, including AI. Open to anyone online. Register at https://t.co/ZDc7YifyWR. #education #community 14.7K views · 151 likes · 21 reposts · 11 replies Open on X →

David J. Malan@davidjmalan31 Dec 2025

Live at 00:00 UTC, this is CS50x 2026... https://t.co/ixtsI7Aj5v #education #community 12.2K views · 58 likes · 5 reposts · 3 replies Open on X →

David J. Malan@davidjmalan15 Sep 2025

@davidjmalan @cs50 @OpenAI @Microsoft @github #cs50 38 views · 0 likes · 0 reposts · 0 replies Open on X →

David J. Malan@davidjmalan12 Sep 2025

@davidjmalan @cs50 @OpenAI @Microsoft @github Excellent approach to AI integration in CS education! The rubber duck debugger evolution shows how to enhance learning without replacing critical thinking. 🦆💻 46 views · 0 likes · 0 reposts · 0 replies Open on X →

David J. Malan@davidjmalan8 Sep 2025

"A look at how @CS50 has incorporated artificial intelligence (AI), including its new-and-improved rubber duck debugger, and how it has impacted the course already." 🦆 With Rongxin Liu et al. With thanks to @OpenAI, @Microsoft, and @GitHub. https://t.co/404RoxneIo 29.1K views · 398 likes · 72 reposts · 11 replies Open on X →

เทียบกับบัญชีขนาดเดียวกัน

3 โพสต์จาก 90 วันที่ผ่านมา เทียบกับช่วง 100K–1M ผู้ติดตาม เข้าถึงคนน้อยกว่าบัญชีขนาดเดียวกัน.

ยอดดูมัธยฐาน45บัญชีนี้5 796ค่ามัธยฐานของ 100K–1M

การเข้าถึง, %0.04%บัญชีนี้1.53%ค่ามัธยฐานของ 100K–1M

การมีส่วนร่วม, %0.00%บัญชีนี้0.98%ค่ามัธยฐานของ 100K–1M

ตัวชี้วัด	บัญชีนี้	ค่ามัธยฐานของ 100K–1M	อัตราส่วน
ยอดดูมัธยฐานต่อโพสต์	45	5 796	0.01×
การเข้าถึง (ยอดดู ÷ ผู้ติดตาม)	0.04%	1.53%	0.02×
อัตราการมีส่วนร่วม	0.00%	0.98%	0.00×

บัญชีอื่นในช่วงนี้ → เปรียบเทียบกับบัญชีอื่น → ค่าอ้างอิงเหล่านี้คำนวณอย่างไร →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

29.1K8 Sep

4612 Sep

3815 Sep

12.2K31 Dec

14.7K1 Jan

7.8K19 Apr

6922 Jul

1311 Aug

Last 9 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

1.67%8 Sep

0.00%12 Sep

0.00%15 Sep

0.54%31 Dec

1.26%1 Jan

0.42%19 Apr

4.35%22 Jul

0.00%

0.00%11 Aug

Reactions — likes, reposts, replies and quotes — divided by views. Median for 100K–1M accounts is 0.98%.

What the audience does

Likes60.3%639 in total

Reposts9.3%99 in total

Replies2.6%28 in total

Quotes0.7%7 in total

Bookmarks27.1%287 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.