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Lesson Plan Week 1

Agenda

The purpose of this class is to introduce to the student:

  1. The basics of working with the command line interface
  2. Basic HTML/CSS concepts:
    • HTML basics
    • Difference between <head> and <body> tags
    • Semantic HTML5
    • CSS basics
    • The box model

Core concepts

FIRST HALF (12.00 - 13.30)

1. Command line interface basics

Explanation

  • The command line interface (CLI) is a way to navigate your computer by issuing direct commands
  • In the past the computer had ONLY a command line
  • The CLI doesn't always give feedback, like any other program on your computer would give
  • Desktop application icons are visual shortcuts (Windows: show $ calc to launch the calculator)

Example

Command Description
pwd present working directory
ls List files in the directory
cd change the directory
touch Create an empty file
echo display the string
echo -n Display the string without newline
echo “something” > file Redirect the output of echo and create file
echo “another thing” >> file Append the string to the file
mkdir make a new directory
cd ~ home
cd - previous directory
cd .. parent directory
ls -a List all files including hidden files
cd / change to the root directory
cat Concatenate the file line by line and display it on the terminal
less Print the big file line by line
vim <file> open the editor with {a: to go to the insert mode, :wq to write and quit }
for var in {START..END}; do <COMMAND1>; <COMMAND2>;..; ; done
head <file> display the first 10 lines of file
tail <file> display the last 10 lines of file
head -n <file> display first n lines of file
tail -n <file> display last n lines of file
man <COMMAND> Display manual of the COMMAND

Exercise

  • Open a command line (Git Bash on Windows)
  • Create a project folder to contain all your HYF work (mkdir)
  • Create a module folder (cd, mkdir)
  • Create a text file: notes.txt (cd, touch)
  • Open Visual Studio Code and add some notes (code .)
  • Rename the file to lecture1.txt (mv)

"I go on holiday and I take with me" with CLI commands:

  • They have to repeat the commands said before them.
  • Add a new command and explain what it does.
  • Let the round continue twice otherwise the students that went first don't have to repeat all the commands.

E.g., first student says "ls : lists commands". Second student must say "ls and cd: change directory". Then third student must say "ls, cd and pwd : show print working directory" and so on. By @unmeshvrije

Essence

SECOND HALF (14.00 - 16.00)

2. HTML basics

Explanation

  • HTML is just plain text, nothing special
  • Browsers read the HTML and CSS and render a beautiful webpage
  • HTML of a website comes from a server (which is just another computer somewhere)
  • Difference <head> and <body>

Box model

  • Everything is a box
  • The "box" refers to the attributes universal to every element: margin, padding, border
  • Every element pushes against one another

Example

  • Show most basic HTML structure, also show how Visual Studio Code can autocomplete html structure by just typing: html
  • <title>, <link>, <meta>
  • Show example of the box model by using the browser inspector on various elements

Exercise

  • Using the command line create a project folder, a html file and css file
  • Create a basic html structure, and link to an external css file
  • Create a webpage which uses all the html tags and css properties which were have discussed

Essence

3. Semantic HTML5

Explanation

  • Explain why there are <h1>, <h2>, <h3>
  • In theory a page can be constructed using only <div>s
  • Semantic tags make the code more comprehensible
  • It helps organize the page

Example

  • Show examples of semantic HTML: <header>, <footer>, <main>, <section>, <article>, <nav>, <aside>

Exercise

Essence