CS 200 - Fall 2024. 11/13/2024

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Welcome to CS 200!

Video of the Day

Socratica Python videos:

I hereby solicit suggestions for the video of the day. Please email me your ideas with explanations. Selected entries will win 5 homework points. If your video is played at the beginning of class, you must also briefly explain something about the video and something about yourself — in person.

Logical problem of the day

Using the most powerful telescope ever made, let's call it the Bubble Telescope, just for fun, scientists happen to observe a class of young aliens on a planet millions of light-years away.

So, they look through the telescope and they see aliens in a classroom, millions of light-years away. So, this alien classroom has teachers and students. And on the chalkboard, the scientists can see the following equations are written. 

13 + 15 = 31

10 x 10 = 100

6 x 3 = 24
And the question is, how many fingers do these aliens have?

https://pollev.com/slade You may also download the app to your phone. Use the "slade" poll id.

Canvas Quiz of the Day (need daily password)

Most days, there will be a simple canvas quiz related to the lecture. You need a password to activate the quiz, which I will provide in class. These quizzes will count toward your class participation grade. The quiz is available only during class.

Click for today's quiz.

Lecture 21: SQL.

Announcements

  • If you have an upcoming performance or athletic event, I am happy to promote it during class. Just send me a note.

    Administrivia

  • I am available for lunch on Mondays at 1pm (not noon) at Franklin College Dining Hall.

  • I have office hours Wednesdays from 4-6 pm, on zoom, id 459 434 2854.

  • ULA office hours are found at in Ed Discussions.

  • Homework assignments: [Assignments]. hw6 is available. Discuss installing Python 3.10 https://www.python.org/downloads/release/python-31011/
    hw5 extension to Monday November 18th.

    Midterm Grades

    Minimum  41.0
Median   54.5
Maximum  60.0
Mean     53.81
Std Dev  4.33
    The regrade window is open through Monday, November 18th.

    Databases and SQL

    SQL notebook join

  • Error: tryit('select * from movies') vs tryit('select title from movies') ??

    Getting to know UNIX

    UNIX Introduction Principle 4.
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