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CS50's Introduction to Computer Science

edX · Harvard University · 14 HN points · 9 HN comments

HN Academy has aggregated all Hacker News stories and comments that mention edX's "CS50's Introduction to Computer Science" from Harvard University.
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An introduction to the intellectual enterprises of computer science and the art of programming.
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This course is offered by Harvard University on the edX platform.
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Feb 26, 2019 · otras on Ask HN: Best Online Courses?
I've taken a few, and these two are my favorites:

Learning How to Learn by Barbara Oakley: https://www.coursera.org/learn/learning-how-to-learn Hands down the biggest return on investment for an online class. It helped my future learning so much. Highly, highly recommend it.

Harvard's CS50: https://www.edx.org/course/cs50s-introduction-computer-scien... Took this course when learning to program. It was difficult, but I learned a great deal. Fantastic professor, good problem sets, and great production value.

throwaway123x2
Was learning how to learn actually that useful? I kinda let off halfway through it ...
otras
I would say that it wasn't watching the videos that was helpful, but more applying the concepts and techniques. I took general notes and reviewed them periodically (spaced repetition!), and I applied the general ideas to my classwork.

It's kind of like learning math. During a lecture, it's easy to think to yourself "OK, I understand this," but you learn so much when working through practice problems. I found myself saying "OK, that makes sense" when watching the LHTL videos, but I really saw the benefit when actively working on applying spaced repetition, diffuse vs focus mode, getting sleep, and other strategies to my studying. I was taking a few post-graduate CS classes at the time, and compared with my study skills and results from undergraduate, it felt like magic to study efficiently and get good results.

Feb 08, 2019 · 1 points, 0 comments · submitted by pplonski86
I have spent a lot of time taking online courses. Here are my favorites.

CS50 (https://www.edx.org/course/cs50s-introduction-computer-scien...) - Best Intro to Computer Science

Nand2Tetris I and II (https://www.coursera.org/learn/build-a-computer) - Build a computer from logic gates up to a compiler, this is the best class I've ever taken.

Agile Development Using Ruby on Rails (https://www.edx.org/professional-certificate/agile-developme...) - Great introduction to web development and software engineering principles

I've also been reading some technical books. Would definitely recommend

Modern Operating Systems - Tanenbaum Designing Data-Intensive Applications - Kleppmann

Although it's not directly related to webdev, I highly, highly recommend the Coursera course Learning How to Learn as a starting point: https://www.coursera.org/learn/learning-how-to-learn

For the computer side of things, I highly recommend Harvard's CS50, which is completely free, for an introduction to computer science [0]. It has a great subreddit [1] and is a fantastic resource. MIT also offers a great pair of free introductory classes on edx. [2]

FreeCodeCamp is an interactive online program that does that exact progression (HTML/CSS => Javascript => React). Here's a link to the curriculum: https://learn.freecodecamp.org/. It also has a wide support system (chats, subreddit, etc), and it's also completely free. I never finished the last few projects, but the rest of it taught me a tremendous amount.

There are so many variables and so much luck involved that there is no guaranteed path, but these are two great resources to get started. These were some of the resources I used to transition from no-CS (disclaimer: with a physics degree but zero programming experience) to a programming job at a startup. I've since continued learning through online and in-person classes and joined a large tech company.

Happy to answer any questions about these resources. Given how many variables there are, I hesitate to use my own experience as an example, but I'm happy to give back and pass on any knowledge I can.

[0]: https://www.edx.org/course/cs50s-introduction-computer-scien...

[1]: https://www.reddit.com/r/cs50/

[2]: https://www.edx.org/course/introduction-to-computer-science-...

Kagerjay
I second this as well

I would do CS50 and doing FreeCodeCamp in parallel. This way he builds a light web foundation, and have a solid CS foundational base to work through other courses.

Other good courses are found through udemy, like Colt Steel. Another good one I recommend is watchandcode.com, for basic foundational programming principles

CS50, Harvard's introductory CS class, introduces students to programming with C. I took the online version in 2016, and I greatly enjoyed the way it was presented. I'm not in the best position to compare and contrast teaching methods, as I've only taken the single class on C, but if you have the time I would highly recommend seeing how they do it.

You can access their lectures, notes, problem sets, slides, and other material for free on their course website [0] and on edX [1]. A warning in advance before you click the course website link though! It's currently Halloween, and the page features an autoplaying scream sound. You've been warned!

[0]: https://cs50.harvard.edu/2018/fall/

[1]: https://www.edx.org/course/cs50s-introduction-computer-scien...

CS50x (Introduction to Programming) [1]: Very well structured. Excellent and very Enthusiastic Teacher & staffs. It was the most fun MOOC I took

Learning How to learn [2]: Life changing. I wish I did it sooner.

ops-class (Operating Systems) [3]: This is by far the toughest MOOC I've taken. The Assignments are really tough. Although not impossible. Just the right amount of tough, I guess. I'm currently in the last few weeks and I've really enjoyed it every bit so far.

Interesting (Not Yet Completed): Introduction to Quantum Physics (2013) [4]: My god, I just love the teacher's enthusiasm. After few lectures, I realised I need to first brush up on classical physics before moving further (which obviously was the requirement that I ignored).

[1]: https://www.edx.org/course/cs50s-introduction-computer-scien...

[2]: https://www.coursera.org/learn/learning-how-to-learn

[3]: https://www.edx.org/course/cs50s-introduction-computer-scien...

[4]: https://www.youtube.com/playlist?list=PLUl4u3cNGP61-9PEhRogn...

orenht
You accidentally duplicated the cs50 link. Where were you taking the operating systems class? I'm very interested :)
atomicnumber1
Sorry. here's the link. You'd love it.

[3]: https://www.ops-class.org

There is a good, free book on Python[1] that teaches practical skills for automating tasks. I sometimes recommend it to people, because it's immediately practical.

After that, you could try Flask[2] or Django[3] (Python web frameworks) and gradually introduce HTML, CSS, and JS.

JavaScript frontend development has more moving parts, so I think it's harder to pick up as a first technology. You have to explain asynchronous code earlier than with Python, and that's one more mental concept to juggle.

There are also a couple of online courses[4][5] that might be useful. I've only watched part of the first one -- it was good.

[1] http://automatetheboringstuff.com/

[2] http://flask.pocoo.org/docs/0.12/quickstart/

[3] https://tutorial.djangogirls.org/en/

[4] https://www.edx.org/course/introduction-computer-science-mit...

[5] https://www.edx.org/course/cs50s-introduction-computer-scien...

Jan 28, 2014 · helicon on The descent to C
A great resource for learning C is CS50 on edx:

https://www.edx.org/course/harvardx/harvardx-cs50x-introduct...

Jan 02, 2014 · 3 points, 0 comments · submitted by danso
Jan 01, 2014 · 3 points, 0 comments · submitted by krrishd
Dec 27, 2013 · 5 points, 0 comments · submitted by infinitebattery
Sep 16, 2013 · 2 points, 0 comments · submitted by mumbi
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