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Watch the 1st video of the course
Learn the the basics of computational thinking and learn about the Scratch graphical programming language.
Learn the foundations of computer science in this course. This video is lecture 0 of Harvard University's CS50 2018 course.
????Notes: https://cs50.harvard.edu/x/2020/notes/0/
????Problem Set: https://cs50.harvard.edu/x/2020/psets/0/
????Source Code: https://cdn.cs50.net/2019/fall/lectures/0/src0.zip
??Contents??
?? (00:50) Introduction
?? (03:13) Binary
?? (09:37) Binary Lamps
?? (11:20) ASCII
?? (18:48) RGB
?? (24:00) Finding Mike Smith
?? (24:06) Computational Complexity
?? (29:44) Pseudocode
?? (32:36) Introducing Scratch
?? (33:41) meow
?? (34:04) Oscartime
?? (45:16) counting sheep
?? (49:18) pet the cat
?? (57:07) threads
?? (59:11) events
?? (1:01:23) functions
?? (1:06:45) Ivy's Hardest Game
Lecture taught by David J. Malan. Thanks to Harvard's CS50 for giving us permission to post this lecture. Checkout their YouTube channel for more great lectures: https://www.yout
Learn the the basics of the C programming language.
This course teaches the foundations of computer science. This video is lecture 1 of Harvard University's CS50 2018 course (part 2 since the lectures start at 0).
????Notes: https://cs50.harvard.edu/x/2020/notes/1/
????Problem Set: https://cs50.harvard.edu/x/2020/psets/1/
????Source Code: https://cdn.cs50.net/2019/fall/lectures/1/src1.zip
??Contents??
?? (00:00:00) Introduction
?? (00:00:50) Week 0 Recap
?? (00:08:01) PBJ
?? (00:15:59) C
?? (00:20:56) Variables
?? (00:21:46) Incrementing
?? (00:23:36) Conditionals
?? (00:32:31) While Loops
?? (00:35:52) For Loops
?? (00:40:47) User Input
?? (00:48:14) CS50 Sandbox
?? (00:49:48) hello.c
?? (00:51:18) Compilation
?? (00:57:31) Command-Line Arguments
?? (00:58:50) make
?? (00:58:30) Debugging
?? (01:11:44) get_string and printf
?? (01:18:23) int.c
?? (01:21:58) float.c
?? (01:24:29) ints.c
?? (01:28:39) floats.c
?? (01:37:54) parity.c
?? (01:39:13) conditions.c
?? (01:40:17) answer.c
?
Learn about arrays, strings, and sorting algorithms and how they work in the C programming language.
This course teaches the foundations of computer science. This video is lecture 2 of Harvard University's CS50 2018 course (part 3 since the lectures start at 0).
Check out our full CS50 playlist: https://www.youtube.com/playlist?list=PLWKjhJtqVAbmGw5fN5BQlwuug-8bDmabi
????Notes: https://cs50.harvard.edu/x/2020/notes/2/
????Problem Set: https://cs50.harvard.edu/x/2020/psets/2/
????Source Code: https://cdn.cs50.net/2019/fall/lectures/2/src2.zip
??Contents??
?? (00:00:00) Introduction
?? (00:00:54) Week 1 Recap
?? (00:04:47) Preprocessing
?? (00:07:05) Compiling
?? (00:09:01) Assembling
?? (00:09:29) Linking
?? (00:12:36) buggy0.c
?? (00:16:13) buggy2.c
?? (00:25:14) Debugging Tools
?? (00:26:02) RAM
?? (00:29:11) Arrays
?? (00:30:01) scores0.c
?? (00:41:47) scores2.c
?? (00:49:45) scores4.c
?? (00:52:21) string0.c
?? (01:00:42) Null Terminator
?? (01:03:06) strlen.c
?? (01:06:16) asci
Learn about computer memory and how it relates to programming.
This course teaches the foundations of computer science. This video is lecture 3 of Harvard University's CS50 2018 course (part 4 since the lectures start at 0).
Check out our full CS50 playlist: https://www.youtube.com/playlist?list=PLWKjhJtqVAbmGw5fN5BQlwuug-8bDmabi
????CS50 IDE (must have free edX account): https://cs50.io/
????Notes: https://cs50.harvard.edu/x/2020/notes/3/
????Problem Set: https://cs50.harvard.edu/x/2020/psets/3/
????Source Code: https://cdn.cs50.net/2019/fall/lectures/3/src3.zip
??Contents??
?? (00:00:00) Introduction
?? (00:00:50) Enhance
?? (00:01:41) Week 2 Recap
?? (00:05:10) CS50 IDE
?? (00:14:24) check50
?? (00:18:37) debug50
?? (00:26:43) Taking Off the Training Wheels
?? (00:27:46) compare0.c
?? (00:29:54) compare1.c
?? (00:32:09) Strings Don't Exist
?? (00:41:40) compare2.c
?? (00:47:50) char *
?? (00:48:54) compare3.c
?? (00:51:09) compare4.c
?? (00:57:30) compare6.c
?? (00:59:54) copy0
Learn about data structures in the c programming language.
This course teaches the foundations of computer science. This video is lecture 4 of Harvard University's CS50 2018 course (part 5 since the lectures start at 0).
Check out our full CS50 playlist: https://www.youtube.com/playlist?list=PLWKjhJtqVAbmGw5fN5BQlwuug-8bDmabi
????CS50 IDE (must have free edX account): https://cs50.io/
????Handout: https://cs50.harvard.edu/college/guide.pdf
????Notes: https://cs50.harvard.edu/x/2020/notes/4/
????Problem Set: https://cs50.harvard.edu/x/2020/psets/4/
????Source Code: https://cdn.cs50.net/2019/fall/lectures/4/src4.zip
??Contents??
?? (00:00:00) Introduction
?? (00:00:50) Week 3 Recap
?? (00:05:55) memory.c
?? (00:19:48) ddb50
?? (00:21:40) Week 3 Recap, continued
?? (00:31:07) struct.h
?? (00:32:37) struct0.c
?? (00:35:03) Linked Lists
?? (00:45:22) typedef
?? (00:50:23) Linked Lists on Stage
?? (01:02:24) list0.c
?? (01:08:44) list1.c
?? (01:25:26) list2.c
?? (01:40:21) Hash Tables
Learn the basics of how the web works with HTTP, HTML, and CSS.
This course teaches the foundations of computer science. This video is lecture 5 of Harvard University's CS50 2018 course (part 6 since the lectures start at 0).
Check out our full CS50 playlist: https://www.youtube.com/playlist?list=PLWKjhJtqVAbmGw5fN5BQlwuug-8bDmabi
????Notes: https://cs50.harvard.edu/x/2020/notes/5/
????Problem Set: https://cs50.harvard.edu/x/2020/psets/5/
????Source Code: https://cdn.cs50.net/2019/fall/lectures/5/src5.zip
??Contents??
?? (00:00:00) Introduction
?? (00:00:49) TCP/IP
?? (00:03:41) IP Addresses
?? (00:08:52) URLs
?? (00:09:44) DNS
?? (00:10:44) Dissecting a URL
?? (00:13:52) HTTP
?? (00:17:57) Developer Tools
?? (00:22:46) HTTP Status Codes
?? (00:29:23) HTML
?? (00:35:09) index.html
?? (00:40:24) image.html
?? (00:42:58) link.html
?? (00:48:38) paragraphs.html
?? (00:50:51) headings.html
?? (00:51:42) table.html
?? (00:53:22) HTML Validation
?? (00:54:26) Implementing Google
?? (01:
Learn the basics of the Python programming language.
This course teaches the foundations of computer science. This video is lecture 6 of Harvard University's CS50 2018 course (part 7 since the lectures start at 0).
Check out our full CS50 playlist: https://www.youtube.com/playlist?list=PLWKjhJtqVAbmGw5fN5BQlwuug-8bDmabi
????CS50 IDE (must have free edX account): https://cs50.io/
????Notes: https://cs50.harvard.edu/x/2020/notes/6/
????Problem Set: https://cs50.harvard.edu/x/2020/psets/6/
????Source Code: https://cdn.cs50.net/2019/fall/lectures/6/src6.zip
??Contents??
?? (0:00:00) Introduction
?? (0:00:50) Week 5 Recap
?? (0:13:01) resize.py
?? (0:16:52) Python Syntax
?? (0:23:48) Interpreting vs. Compiling
?? (0:26:52) hello.py
?? (0:29:54) string0.py
?? (0:33:02) string1.py
?? (0:35:00) ints.py
?? (0:38:26) floats.dpy
?? (0:42:58) overflow.py
?? (0:46:26) conditions.py
?? (0:48:53) answer.py
?? (0:50:57) cough0.py
?? (0:51:40) cough1.py
?? (0:52:19) cough2.py
?? (0:57:01) cough3.p
Learn how to program for the web using Python, Flask, JavaScript, & jQuery.
This course teaches the foundations of computer science. This video is lecture 7 of Harvard University's CS50 2018 course (part 8 since the lectures start at 0).
Check out our full CS50 playlist: https://www.youtube.com/playlist?list=PLWKjhJtqVAbmGw5fN5BQlwuug-8bDmabi
????CS50 IDE (must have free edX account): https://cs50.io/
????Notes: https://cs50.harvard.edu/x/2020/notes/7/
????Problem Set: https://cs50.harvard.edu/x/2020/psets/7/
????Source Code: https://cdn.cs50.net/2019/fall/lectures/7/src7.zip
??Contents??
?? (0:00:00) Introduction
?? (00:00:49) Week 6 Recap
?? (00:03:57) MVC
?? (00:05:31) froshims
?? (00:07:04) serve.py
?? (00:12:30) application.py
?? (00:21:11) froshims0
?? (00:47:00) froshims1
?? (00:54:47) froshims2
?? (01:01:36) froshims3
?? (01:09:50) froshims6
?? (01:13:51) Bootstrap
?? (01:15:22) Form Submission
?? (01:21:19) words0
?? (01:35:01) jQuery
?? (01:39:29) words1
?? (01:41:56) wo
SQL is a standard language for storing, manipulating and retrieving data in databases. Learn how to use SQL in this video.
This course teaches the foundations of computer science. This video is lecture 8 of Harvard University's CS50 2018 course (part 9 since the lectures start at 0).
Check out our full CS50 playlist: https://www.youtube.com/playlist?list=PLWKjhJtqVAbmGw5fN5BQlwuug-8bDmabi
????CS50 IDE (must have free edX account): https://cs50.io/
????Notes: https://cs50.harvard.edu/x/2020/notes/8/
????Problem Set: https://cs50.harvard.edu/x/2020/psets/8/
????Source Code: https://cdn.cs50.net/2019/fall/lectures/8/src8.zip
??Contents??
?? (0:00:00) Introduction
?? (0:00:50) Week 7 Recap
?? (0:04:02) C$50 Finance
?? (0:06:14) Cookies
?? (0:14:13) store
?? (0:20:49) Databases
?? (0:25:42) Mock Database
?? (0:27:34) SQL
?? (0:37:59) SQLite
?? (0:50:19) phpLiteAdmin
?? (1:11:21) lecture
?? (1:37:06) Race Conditions
?? (1:44:24) SQL Injection Attacks
Lecture taught by David J. Malan. T
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