Merge pull request ossu#980 from nschloe/fix-links

waciumawanjohi · web-flow · commit ad7ab298c235 · 2021-12-06T18:19:47.000-05:00
fix some links
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-![Open Source Society University (OSSU)](http://i.imgur.com/kYYCXtC.png)
+![Open Source Society University (OSSU)](https://i.imgur.com/kYYCXtC.png)
 
 <h3 align="center">Open Source Society University</h3>
 <p align="center">
@@ -54,7 +54,7 @@ they belong in [extras/courses](extras/courses.md) or [extras/readings](extras/r
 ](https://docs.google.com/spreadsheets/d/1bkUU90y4rKYQHwY5AR2iX6iiPTrPEsYs75GkCAkrgm4/copy) to estimate their end date. Make a copy and input your start date and expected hours per week in the `Timeline` sheet. As you work through courses you can enter your actual course completion dates in the `Curriculum Data` sheet and get updated completion estimates.
 
 **Cost**. All or nearly all course material is available for free. However, some courses may charge money for assignments/tests/projects to be graded.
-Note that both [Coursera](https://learner.coursera.help/hc/en-us/articles/209819033-Apply-for-Financial-Aid) and [edX](https://courses.edx.org/financial-assistance/) offer financial aid.
+Note that both [Coursera](https://www.coursera.support/s/article/209819033-Apply-for-Financial-Aid-or-a-Scholarship?language=en_US) and [edX](https://courses.edx.org/financial-assistance/) offer financial aid.
 
 Decide how much or how little to spend based on your own time and budget;
 just remember that you can't purchase success!
@@ -137,7 +137,7 @@ This course will introduce you to the world of computer science. Students who ha
 
 Courses | Duration | Effort | Prerequisites | Discussion
 :-- | :--: | :--: | :--: | :--:
-[Introduction to Computer Science and Programming using Python](https://www.edx.org/course/introduction-computer-science-mitx-6-00-1x-10) ([alt](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-0001-introduction-to-computer-science-and-programming-in-python-fall-2016/)) | 9 weeks | 15 hours/week | [high school algebra](https://www.khanacademy.org/math/algebra-home) | [chat](https://discord.gg/jvchSm9)
+[Introduction to Computer Science and Programming using Python](https://www.edx.org/course/introduction-to-computer-science-and-programming-7) ([alt](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-0001-introduction-to-computer-science-and-programming-in-python-fall-2016/)) | 9 weeks | 15 hours/week | [high school algebra](https://www.khanacademy.org/math/algebra-home) | [chat](https://discord.gg/jvchSm9)
 
 ## Core CS
 
@@ -224,10 +224,10 @@ Courses | Duration | Effort | Prerequisites | Discussion
 
 Courses | Duration | Effort | Additional Text / Assignments| Prerequisites | Discussion
 :-- | :--: | :--: | :--: | :--: | :--:
-[Build a Modern Computer from First Principles: From Nand to Tetris](https://www.coursera.org/learn/build-a-computer) ([alt](http://www.nand2tetris.org/)) | 6 weeks | 7-13 hours/week | - | C-like programming language | [chat](https://discord.gg/vxB2DRV)
+[Build a Modern Computer from First Principles: From Nand to Tetris](https://www.coursera.org/learn/build-a-computer) ([alt](https://www.nand2tetris.org/)) | 6 weeks | 7-13 hours/week | - | C-like programming language | [chat](https://discord.gg/vxB2DRV)
 [Build a Modern Computer from First Principles: Nand to Tetris Part II ](https://www.coursera.org/learn/nand2tetris2) | 6 weeks | 12-18 hours/week | - | one of [these programming languages](https://user-images.githubusercontent.com/2046800/35426340-f6ce6358-026a-11e8-8bbb-4e95ac36b1d7.png), From Nand to Tetris Part I | [chat](https://discord.gg/AsUXcPu)
-[Operating Systems: Three Easy Pieces](http://pages.cs.wisc.edu/~remzi/Classes/537/Spring2018/) | 10-12 weeks | 6-10 hours/week | - | algorithms, [familiarity with C](https://hackr.io/tutorials/learn-c?sort=upvotes&type_tags%5B%5D=1) is useful | [chat](https://discord.gg/wZNgpep)
-[Computer Networking: a Top-Down Approach](http://gaia.cs.umass.edu/kurose_ross/online_lectures.htm)| 8 weeks | 4–12 hours/week | [Wireshark Labs](http://gaia.cs.umass.edu/kurose_ross/wireshark.htm) | algebra, probability, basic CS | [chat](https://discord.gg/MJ9YXyV)
+[Operating Systems: Three Easy Pieces](https://pages.cs.wisc.edu/~remzi/Classes/537/Spring2018/) | 10-12 weeks | 6-10 hours/week | - | algorithms, [familiarity with C](https://hackr.io/tutorials/learn-c?sort=upvotes&type_tags%5B%5D=1) is useful | [chat](https://discord.gg/wZNgpep)
+[Computer Networking: a Top-Down Approach](http://gaia.cs.umass.edu/kurose_ross/online_lectures.htm)| 8 weeks | 4–12 hours/week | [Wireshark Labs](http://gaia.cs.umass.edu/kurose_ross/wireshark.php) | algebra, probability, basic CS | [chat](https://discord.gg/MJ9YXyV)
 
 ### Core theory
 
@@ -299,8 +299,8 @@ Courses | Duration | Effort | Prerequisites | Discussion
 [Databases: Relational Databases and SQL](https://www.edx.org/course/databases-5-sql)| 2 weeks | 10 hours/week | core programming | [chat](https://discord.gg/P8SPPyF)
 [Databases: Semistructured Data](https://www.edx.org/course/semistructured-data)| 2 weeks | 10 hours/week | core programming | [chat](https://discord.gg/duCJ3GN)
 [Machine Learning](https://www.coursera.org/learn/machine-learning)| 11 weeks | 4-6 hours/week | linear algebra | [chat](https://discord.gg/NcXHDjy)
-[Computer Graphics](https://www.edx.org/course/computer-graphics-uc-san-diegox-cse167x)| 6 weeks | 12 hours/week | C++ or Java, linear algebra | [chat](https://discord.gg/68WqMNV)
-[Software Engineering: Introduction](https://www.edx.org/course/software-engineering-introduction-ubcx-softeng1x) | 6 weeks | 8-10 hours/week | Core Programming, and a [sizable project](FAQ.md#why-require-experience-with-a-sizable-project-before-the-Software-Engineering-courses) | [chat](https://discord.gg/5Qtcwtz)
+[Computer Graphics](https://www.edx.org/course/computer-graphics-2)| 6 weeks | 12 hours/week | C++ or Java, linear algebra | [chat](https://discord.gg/68WqMNV)
+[Software Engineering: Introduction](https://www.edx.org/course/software-engineering-introduction) | 6 weeks | 8-10 hours/week | Core Programming, and a [sizable project](FAQ.md#why-require-experience-with-a-sizable-project-before-the-Software-Engineering-courses) | [chat](https://discord.gg/5Qtcwtz)
 
 ### Core Ethics
 
@@ -337,14 +337,14 @@ But students should take *every* course that is relevant to the field they inten
 
 Courses | Duration | Effort | Prerequisites
 :-- | :--: | :--: | :--: 
-[Parallel Programming](https://www.coursera.org/learn/parprog1)| 4 weeks | 6-8 hours/week | Scala programming
+[Parallel Programming](https://www.coursera.org/learn/scala-parallel-programming)| 4 weeks | 6-8 hours/week | Scala programming
 [Compilers](https://www.edx.org/course/compilers) | 9 weeks | 6-8 hours/week | none
 [Introduction to Haskell](https://www.seas.upenn.edu/~cis194/fall16/)| 14 weeks | - | -
 [Learn Prolog Now!](https://www.let.rug.nl/bos/lpn//lpnpage.php?pageid=online) ([alt](https://github.com/ossu/computer-science/files/6085884/lpn.pdf))*| 12 weeks | - | -
 [Software Debugging](https://www.udacity.com/course/software-debugging--cs259)| 8 weeks | 6 hours/week | Python, object-oriented programming
 [Software Testing](https://www.udacity.com/course/software-testing--cs258) | 4 weeks | 6 hours/week | Python, programming experience
 
-(*) book by Blackburn, Bos, Striegnitz (compiled from [source](https://github.com/LearnPrologNow/lpn), redistributed under [CC license](http://creativecommons.org/licenses/by-sa/4.0/))
+(*) book by Blackburn, Bos, Striegnitz (compiled from [source](https://github.com/LearnPrologNow/lpn), redistributed under [CC license](https://creativecommons.org/licenses/by-sa/4.0/))
 
 ### Advanced systems
 
@@ -391,7 +391,7 @@ Courses | Duration | Effort | Prerequisites
 Courses | Duration | Effort | Prerequisites
 :-- | :--: | :--: | :--:
 [Theory of Computation](http://aduni.org/courses/theory/index.php?view=cw) ([Lectures](https://www.youtube.com/playlist?list=PLTke5lHMAdSNmi57H0DOTzClHPK6UwSTN)) | 8 weeks | 10 hours/week | discrete mathematics, logic, algorithms
-[Computational Geometry](https://www.edx.org/course/computational-geometry-tsinghuax-70240183x) | 16 weeks | 8 hours/week | algorithms, C++
+[Computational Geometry](https://www.edx.org/course/computational-geometry) | 16 weeks | 8 hours/week | algorithms, C++
 [Game Theory](https://www.coursera.org/learn/game-theory-1) | 8 weeks | 3 hours/week | mathematical thinking, probability, calculus
 
 ### Advanced math
@@ -412,13 +412,13 @@ Not only does real project work look great on a resume, but the project will als
 You can create something entirely new, or you can find an existing project that needs help via websites like
 [CodeTriage](https://www.codetriage.com/)
 or
-[First Timers Only](http://www.firsttimersonly.com/).
+[First Timers Only](https://www.firsttimersonly.com/).
 
 Students who would like more guidance in creating a project may choose to use a series of project oriented courses. Here is a sample of options (many more are available, at this point you should be capable of identifying a series that is interesting and relevant to you):
 
 Courses | Duration | Effort | Prerequisites
 :-- | :--: | :--: | :--:
-[Fullstack Open](https://fullstackopen.com/en) | 12 weeks | 6 hours/week | programming
+[Fullstack Open](https://fullstackopen.com/en/) | 12 weeks | 6 hours/week | programming
 [Modern Robotics (Specialization)](https://www.coursera.org/specializations/modernrobotics) | 26 weeks | 2-5 hours/week | freshman-level physics, linear algebra, calculus, [linear ordinary differential equations](https://www.khanacademy.org/math/differential-equations)
 [Data Mining (Specialization)](https://www.coursera.org/specializations/data-mining) | 30 weeks | 2-5 hours/week | machine learning
 [Big Data (Specialization)](https://www.coursera.org/specializations/big-data) | 30 weeks | 3-5 hours/week | none
@@ -470,11 +470,11 @@ What is next for you? The possibilities are boundless and overlapping:
 - Check out the [readings](extras/readings.md) for classic books you can read that will sharpen your skills and expand your knowledge.
 - Join a local developer meetup (e.g. via [meetup.com](https://www.meetup.com/)).
 - Pay attention to emerging technologies in the world of software development:
-  + Explore the **actor model** through [Elixir](http://elixir-lang.org/), a new functional programming language for the web based on the battle-tested Erlang Virtual Machine!
+  + Explore the **actor model** through [Elixir](https://elixir-lang.org/), a new functional programming language for the web based on the battle-tested Erlang Virtual Machine!
   + Explore **borrowing and lifetimes** through [Rust](https://www.rust-lang.org/), a systems language which achieves memory- and thread-safety without a garbage collector!
   + Explore **dependent type systems** through [Idris](https://www.idris-lang.org/), a new Haskell-inspired language with unprecedented support for type-driven development.
 
-![keep learning](http://i.imgur.com/REQK0VU.jpg)
+![keep learning](https://i.imgur.com/REQK0VU.jpg)
 
 # Code of conduct
 [OSSU's code of conduct](https://github.com/ossu/code-of-conduct).
