Year #2, Summer #3 💻 🏰

New stuff we learned this week: 🧐

Assembly

• Assembly language is just one tiny step above machine code on the ladder of abstraction. It allows you to write sort-of-readable instructions directly to the CPU, thinks like “put this value into that register”, and “make such-and-such system call”. Here’s a simple “Hello world” in one flavor of assembly:

global _main

section .text

_main:
    mov     rax, 0x2000004 ; write syscall
    mov     rdi, 1 ; stdout
    mov     rsi, msg ; the string to write
    mov     rdx, 12 ; the length of the string
    syscall

    mov     rax, 0x2000001 ; exit syscall
    mov     rdi, 0 ; the exit code
    syscall


section .data

msg:    db      "Hello, HTC!", 10

C 🪚

• C is a super common language, the lingua franca of computer languages. It was created in the late 60’s, and is still incredibly widely used. It’s blazing fast and has lots of sharp edges. Some people refer to it as “portable assembly” because it’s just a bit above assembly language on the ladder of abstraction. Here’s a simple “Hello world” program in C:

#include <stdio.h>

int main(void) {
  printf("Hello HTC!\n");
  return 0;
}

Homework Plan (2 or 3 weeks…)

• Monkey Assignment #6
• 3 days review all flashcards in your app.
• 2 days touch typing practice
• 1 day personal project assignment
• watch Lecture 0 of CS50
• 6 days Execute Program homework

Monkey #6 (Parsing Let Statements) 🐒

• This task is optional, only if you want to keep going before our next class. 👍
• Address all feedback from prior MR’s, and merge.
• Create a new branch.
• Read slowly and carefully through Chapter 2, sections 2.1 - 2.3.
• Then start reading Section 2.4 and try to follow, coding along to the best of your ability, using the videos linked below as needed.
• STOP before the end of Section 2.4, (page 53.6 of printed book, 41.7 of PDF), before he adds error messages to the parser.
• Video links: part 1, part 2, part 3
• Submit a MR, slack the MR url.

Personal Project Homework

• Refer to your work plan you created a few weeks ago, and select the next item on your list. If you’re ahead or behind of where you thought you would be, make any modifications you think appropriate, then Slack me your goal for this week. 📅 👋
• Make sure you’ve addressed all of my feedback from last week, merge your MR, connect with vscode, pull from origin, and create a new branch.
• Implement the feature or chunk of work you planned.
• When you think you’re done, check things like:
  • did you leave in any console.log()s?
  • does it look good at all screen sizes?
  • do your storybook stories work and cover your components (if you’re using storybook)
  • are your components and variables named well?
  • is there anything you want to clean up, refactor, or DRY up before you submit?
• when you’re happy with the code, build your site, submit a MR, and Slack both the URLs.
• after I review, address any feedback I give you.