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Computer Science S-75 Building Dynamic Websites Harvard Summer School

https://www.cs75.net/

Lecture 0: HTTP

David J. Malan

malan@harvard.edu http://cs.harvard.edu/malan

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DNS

Image from godaddy.com.

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DNS

n  A n  CNAME n  MX n  NS n  ...

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Prerequisites

n  Multiple years of programming experience in any language; comfort with HTML and CSS

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Expectations

n  Attend all lectures n  Implement three projects

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Lectures n  Lecture 0: HTTP n  Lecture 1: PHP n  Lecture 2: PHP, Continued n  Lecture 3: XML n  Lecture 4: SQL n  Lecture 5: SQL, Continued n  Lecture 6: JavaScript n  Lecture 7: Ajax n  Lecture 8: Security n  Lecture 9: Scalability

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Sections, Office Hours

n  Mondays, after lecture n  Wednesdays, after lecture

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Projects

n  Project 0 n  Project 1 n  Project 2

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Grades

n  Scope n  Correctness n  Design n  Style

scope × (3 × correctness + 2 × design + 1 × style)

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www.cs75.net

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CS50 Discuss

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Web Hosts

Image from dreamhost.com.

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Virtual Private Servers

Image from linode.com.

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CS50 Appliance

Image from fedoraproject.org.

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SSH

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SFTP

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Forms n  Text Fields

<input name="email" type="text" />

n  Password Fields <input name="password" type="password" />

n  Hidden Fields <input name="id" value="123" />

n  Checkboxes <input checked="checked" name=“remember" type="checkbox" />

n  Radio Buttons <input name="gender" type="radio" value="F" /> <input name="gender" type="radio" value="M" />

n  Drop-Down Menus <select name=“state"> <option value=""></option> <option value=“MA"></option> <option value=“NY"></option> </select>

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Computer Science S-75 Building Dynamic Websites Harvard Summer School

https://www.cs75.net/

Lecture 0: HTTP

David J. Malan

malan@harvard.edu http://cs.harvard.edu/malan