Weekend Study Checklist:

Lots of material was covered this week. - Complete ALL Quizzes from this week! - Complete the flash cards from this week! (Many multiple times) - Understand the LO’s - Attend OH with questions ​ ​## Review Problems:

1. What does the following code return when run? Why?

   function foodLogger(food) {
       return 'I just ate ' + food;
   }
   let myLunch;
   console.log(foodLogger(myLunch));

   ​
2. Are the following a truthy or falsy values?
   • 0 ->
   • -0 ->
   • undefined ->
   • “False” ->
   • false ->
   • true ->
   • “True” -> ​
3. Write a function printName(firstName, lastName) that takes in two strings representing first and last names, and prints out one full name. Use string interpolation here. ​

4. What does the following code return when run? Why?

   function foodLogger(food) {
       return `I just ate ${food}`;
   }
   let myLunch = "Ramen!";
   console.log(foodLogger(myLunch)); 

   ​
5. What do the -r and -c flags do in grep?
   • -c => stands for count, it will limit the output of grep to just the number of matches.
   • -r => stands for recursive, it will look through subdirectories of the requested path. ​
6. Explain what the following git commands do:
   • git diff ->
   • git init ->
   • git add ->
   • git merge
   • git rebase ​
7. How do you rename a file from the terminal? ​
8. Can you indentify what the event loop is? ​
9. What’s the difference between async and sync code? ​
10. Are functions First Class Objects? Why? ​
11. Solve the following recursive problems:
    • myFlatten, myFibonacci, myFactorial, mySum, myFlatten ​

12. How do you make a file readable to anyone? writeable? executable?