Lets Program - A practical guide

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Lets Program A practical guide

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Hey, I'm Garre!

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I work at Blake

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We teach children

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Before we start a story

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This is Sam Sam is smart. Sam has a lot of interests. Sam is cool. Sam is great at some things.

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This is Alex! Alex is smart. Alex has a lot of interests. Alex is cool. Likewise, Alex is great other things.

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Sam has a problem. Sam does not like doing the same thing over and over. Sam sometimes needs help remembering things.

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Alex loves doing thing over and over exactly the same way! Alex almost never forgets! Alex can help to remind Sam!

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But yet, a problem.

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Alex needs help too. Alex needs instructions to follow.

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Sam and Alex need each other.

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We need an algorithm. Wow! That's scary. What's an Algorithm?

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Algorithm is a fancy word that means: define the steps to take to perform the task We follow algorithms everyday!

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Algorithm: Get ready for work — Wake up — Shower — Put on clothes — Eat breakfast — Brush teeth — Catch the train — Get a coffee — Arrive at work

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Oh, thats simple. Thats just my morning routine. I am a programmer! Not quite, but we're well on our way!

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We need to create an algorithm that Alex can run. When Alex runs the steps Sam gives - we're executing a program! Now that's programming!

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How do we speak with Alex? Alex understands and works with a speciﬁc set of instructions.

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Programming

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Ruby (on) Rails

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What is Ruby? Ruby is a language! What is Rails? Rails is a framework!

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Language

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Framework

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We use Ruby and Rails to build websites

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Programming Tools — Terminal — Text Editor — Homebrew — Others..

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Terminal Allows us to interact with our computers quicker

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Terminal Common commands — ls — cd — mkdir folder_name — touch ﬁle_name

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Terminal Common commands — ls - list — cd — mkdir folder_name — touch ﬁle_name

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Terminal Common commands — ls - list — cd - change directory/folder — mkdir folder_name — touch ﬁle_name

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Terminal Common commands — ls - list — cd - change directory/folder — mkdir folder_name - make directory/folder — touch ﬁle_name

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Terminal Common commands — ls - list — cd - change directory/folder — mkdir folder_name - make directory/folder — touch ﬁle_name - create a ﬁle

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Text Editor Allows us to edit text in an efﬁcient way

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Homebrew (Computer's AppStore) Installs the stuff you need that Apple didn’t.

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Ruby Gems Code written by someone else that we can use

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Lets see some Examples

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Here's what you will be building — https://calm-cove-74202.herokuapp.com

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Some pro-tips — Ask questions — Google — Take care for computer symbols: — Normally if it starts with a thing, it ends with the same thing, — ' is not the same as " ie. "Hello" 'Hello" — [], (), {}, etc. — Run rails server in one tab, run commands in another — Ask questions

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Thanks Good luck Ask for help @gogogarrett