Susi Irwin Turing pre-work Gist

SusiIrwin-prework.md

Turing School Prework - Susi Irwin

Task A- Practice Typing:

• screenshots of scores will be posted in comments

Task B- Algorithmic Thinking & Logic:

• screenshots of completed sections will be posted in comments

Task C- Create your Gist:

Task D- Set up your Environment:

• Did you run into any issues?
• How do you open Atom from your Terminal?
• What is the file extension for a Ruby file?
• What is the Atom shortcut for hiding/ showing your file tree view?
• What is the Atom shortcut for quickly finding a file (fuzzy finder)?

Task E- The Command Line:

• screenshots of your terminal after each exercise will be posted in comments

Day One Questions:

• What does pwd stand for, and how is this command helpful?
• What does hostname tell you, and what shows up in YOUR terminal when you type hostname?

Task F- Learn Ruby:

Option 1 Questions:

IRB

• How do you start and stop irb?
• What might you use irb for?

Variables

• How do you create a variable?
• What did you learn about the rules for naming variables?
• How do you change the value of a variable?

Datatypes

• How can you find out the class of a variable?
• What are two string methods?
• How can you change an integer to a string?

Strings

• Why might you use double quotes instead of single quotes in Ruby?
• What is this used for in Ruby: #{}?
• How would you remove all the vowels from a string?

Input & Output

• What do 'print' and 'puts' do in Ruby?
• What does 'gets' do in Ruby?
• Add a screenshot in the comments of the program you created that uses 'puts' and 'gets', and give it the title, "I/O".

Numbers & Arithmetic

• What is the difference between integers and floats?
• Complete the challenge, and post a screenshot of your program in the comments with the title, "Numbers".

Booleans

• What do each of the following symbols mean?
  • ==

  • =

  • <=
  • !=
  • &&
  • ||
• What are two Ruby methods that return booleans?

Conditionals

• What is flow control?
• What will the following code return?

apple_count = 4

if apple_count > 5
  puts "Lots of apples!"
else
  puts 'Not many apples...'
end

• What is an infinite loop, and how can you get out of one?
• Take a screenshot of your program and terminal showing two different outputs, and post it in the comments with the title, "Conditionals".

nil

• What is nil?
• Take a screenshot of your terminal after working through Step 4, and post it in the comments with the title, "nil".

Symbols

• How can symbols be beneficial in Ruby?
• Does naming symbols use the same rules for naming variables?
• Take a screenshot of your terminal after working through Step 4, and post it in the comments with the title, "Symbols".

Arrays

• What method can you call to find out how many elements are in an array?
• What is the index of pizza in this array: ["pizza", "ice cream", "cauliflower"]?
• What do 'push' and 'pop' do?

Hashes

• Describe some differences between arrays and hashes.
• What is a case when you might prefer an array? What is a case when you might prefer a hash?
• • Take a screenshot of your terminal after working through Step 2, and post it in the comments with the title, "Hashes".

Task G- Prework Reflection:

• Were you able to get through the work? Did you rush to finish, or take your time?
• What are you most looking forward to learning more about?
• What topics would you most like to see reinforced by instructors?
• What is most confusing to you about what you've learned?
• What questions do you have for your student mentor or for your instructors?

Pre-work Tasks- One Month Schedule

(Note: You will most likely only get to the following sections if you have more than a week for your pre-work. If you are doing the one week pre-work schedule, you may delete this section of the Gist.)

Railsbridge Curriculum, cont.

• Loops: Take a screenshot of your "Challenge" program, and post it as a comment in your Gist.
• What challenges did you try for "Summary: Basics"? Post a screenshot of one of your programs.
• Functions: How do you call a function and store the result in a variable?
• Describe the purpose of the following in Ruby classes: initialize method, new method, instance variables.
• How to Write a Program: Screenhero with your student mentor and share your program. Write a bit about what you found most challenging, and most enjoyable, in creating your program.

Launch School Ruby Book

• screenshots will be posted in comments
• What are your three biggest takeaways from working through this book?

CodeSchool

• screenshots will be posted in comments
• What are your two biggest takeaways from working through this tutorial?
• What is one question you have about Git & GitHub?

Workflow Video

• Describe your thinking on effective workflow. What shortcuts do you think you'll find most useful? What would you like to learn or practice that will most help you improve your speed and workflow?

Michael Hartl's Command Line Book

As you complete each section, respond to the related questions below (mostly taken directly from the tutorial exercises):

• 1.3: By reading the "man" page for echo, determine the command needed to print out “hello” without the trailing newline. How did you do it?
• 1.4: What do Ctrl-A, Ctrl-E, and Ctrl-U do?
• 1.5: What are the shortcuts for clearing your screen, and exiting your terminal?
• 2.1: What is the "cat" command used for? What is the "diff" command used for?
• 2.2: What command would you use to list all txt files? What command would you use to show all hidden files?
• 3.1: How can you download a file from the internet, using the command line?
• 3.3: Describe two commands you can use in conjunction with "less".
• 3.4: What are two things you can do with "grep"?

Day 4 Task E

Making Empty Files

Copy a File

Moving a File

Day 5 Task E
View A File (less, MORE)

NOTE: the hardest part of less and MORE was figuring out how to copy the file form the desktop to Temp. I googled the cp command and found how to get it to a folder on the same level as desktop. Hoping I did it correctly since the outcome seems to be the same.

Stream A File (cat)

Removing A File (rm)

Task G- Prework Reflection:

Were you able to get through the work? Did you rush to finish, or take your time?
I was able to get through everything - however, i spread it out over a few weeks versus the one week schedule due to still being full time at work. I absolutely took my time, read everything, even did a few exercises multiple times if I didn't feel that I understood it on the first (or second) pass. Some exercises were easier than others but overall, all of this has been, and continues to be, incredible helpful.

What are you most looking forward to learning more about?
I am really, really looking forward to creating workable applications using Ruby. The examples are fun to work through, but I cannot wait to really get my hands dirty and write a program that does something. I am excited to see what Ruby can do.

What topics would you most like to see reinforced by instructors?
I definitely want to dig further into gems - I have a feeling those are going to be incredible useful. I also want to talk more about similarities between Ruby and other OOP languages, as well as differences.

What is most confusing to you about what you've learned?
So far just learning how to navigate the Terminal has been one of the more challenging parts. I am new to Mac/Apple as I have been a Windows user since i was PC person since I was 6 years old. I can get around pretty well in PowerShell and MS-DOS but I am still a bit new to Terminal.

What questions do you have for your student mentor or for your instructors?
My student mentor has been fantastic. Mark is always willing to answer my questions, listen to my worries and fears about the program, and encourage me. At this moment, I am not sure that I have any pressing questions for Mark or my Instructors. I am super anxious (in a very positive way) to get started, learn life with a Macbook instead of my Lenovo, and just give my all.

Railsbridge Curriculum, cont.

*Loops: *
Take a screenshot of your "Challenge" program, and post it as a comment in your Gist.
Challenge Screenshot:

What challenges did you try for "Summary: Basics"? Post a screenshot of one of your programs.
"Write a program that verifies whether someone can vote based on their supplied age."

Functions:
How do you call a function and store the result in a variable?
You call a function by typing def then the name of the function and then a list of what you want to send in.

Describe the purpose of the following in Ruby classes:
initialize method - saves the initial data your object is created with and performs any other required set-up - basically, it gets things started for you with the initial data
new method - this creates an instance of the object. any arguments passed in to the new method are then sent to the initialize method
instance variables - stores data in the object and start with an @. in the example from the course, this was @radius. They are like regular variables except an instance variable only works within the instance of the object in which it was created.
.
How to Write a Program:
Screenhero with your student mentor and share your program. (will see if Mark has time soon)
Write a bit about what you found most challenging, and most enjoyable, in creating your program.
This one was a lot of fun and the prompts and explanations were super helpful. I like the patterns and how easy they are to follow once you see them. I don't understand the >> in the code and need to look that up to see what it means. the most challenging part was looking at the code and making it more efficient. Being super new to Ruby means my eyes are still not looking at all angles of the code for inefficiencies. The coolest part though is seeing it all come together and for most of it to make sense to me!

Launch School - As you complete the exercises for each section, take a screenshot of your terminal or text editor that shows your work, and post it as a comment to your Gist, listing the exercise topic as the comment heading.

Basics:
1.

2.

3.

4.

5.

6.

7. The message tells me that that ) was used instead of a } and therefore the code will not run; or it could be that there is an opening bracket but not a closing one.

Variables
1.

1. In the first program, x will equal 3. The second example won't work because the variable is out of scope. 2. Tells us that "shoes" has not been defined or it is not in scope

Launch: Methods
1.


1.

1. It won't print anything because "Ruby methods ALWAYS return the evaluated result of the last line of the expression unless an explicit return comes before it" (copied from the Launch guide). 2.

3. This error is saying that the program was expecting a certain number of arguments given to it but it didn't receive the right amount.

Launch: Flow Control
1)

1. false
2. false
3. fase
4. true
5. true

1. FALSE
2. Did you get it right?
3. Alright Now!

5. I am not really understanding Cases that well :( I typed out the solution so that i could practice typing and the syntax, but I am sort of confused on how Cases work.

6. This error comes up because we are missing an end.