Ruby - Length

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Write a Ruby function to retrieve the length of a String

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Week 1
- 1.00 Course Overview
- 1.01 WWW - A First Approach
- 1.02 Hypertext, HTML and XML
- 1.02 Hypertext, HTML and XML
- 1.03 Browser and Server
- 1.03 Browser und Server
- 1.04 Web Applications and Web Programming
- 1.04 Web Applications and Web Programming
- 1.05 WWW History
- 1.05 WWW History
- 1.06 Players of the Web
- 1.06 Players on the Web
- 1.07 Internet Standards
- Learning Material
- Weekly Assignment
Week 2
- Course Start Survey
- 2.01 URI - Uniform Resource Identifier
- 2.01 URI - Uniform Resource Identifier
- 2.02 URL and URN
- 2.02 URL and URN
- 2.03 Introduction to HTTP
- 2.03 Introduction to HTTP
- 2.04 History of HTTP
- 2.04 History of HTTP
- 2.05 HTTP Message Format and Status Codes
- 2.05 HTTP Message Format and Status Codes
- 2.06 HTTP Transfer Speed Optimization
- 2.06 HTTP Transfer Speed Optimization
- 2.07 HTTP Caching
- 2.07 HTTP Caching
- 2.08 Cookies
- 2.08 Cookies
- 2.09 Content Negotiation
- 2.09 Content Negotiation
- 2.10 HTTP Security
- 2.10 HTTP Security
- 2.11 HTTP/2
- 2.11 HTTP/2
- Office Hours
- Learning Material
- Weekly Assignment
Week 3
- 3.01 HTML Documents
- 3.01 HTML Documents
- 3.02 History of HTML
- 3.03 HTML 4.0
- 3.03 HTML 4.0
- 3.04 Dynamic HTML
- 3.04 Dynamic HTML
- 3.05 HTML 5
- 3.05 HTML 5
- 3.06 CSS – Cascading Stylesheets
- 3.06 CSS – Cascading Stylesheets
- Peer Assessment - What is it?
- CSS Peer Assessment Exercise
- 3.07 Bringing HTML and CSS Together
- 3.07 Bringing HTML and CSS Together
- 3.08 XML – Extensible Markup Language
- 3.08 XML – Extensible Markup Language
- Office Hours
- Learning Material
- Weekly Assignment
Week 4
- 4.01 Introduction Web Programming
- 4.01 Introduction Web Programming
- 4.02 Client-Side Web Programming
- 4.02 Client-Side Web Programming
- 4.03 DOM & DHTML
- 4.03 DOM & DHTML
- 4.04 Javascript
- 4.04 Javascript
- 4.05 JavaScript Frameworks and Libraries
- 4.05 JavaScript Frameworks and Libraries
- 4.06 Selected JavaScript Libraries
- 4.06 Selected JavaScript Libraries
- 4.07 Example Application in JavaScript
- 4.07 Example Application in JavaScript
- 4.08 CoffeeScript and Dart
- 4.08 CoffeeScript and Dart
- Pong - Instructions for the Peer Assessment Task
- Pong
- Office Hours 1
- Office Hours 2
- Learning Material
- Weekly Assignment
Excursion LED Matrix
- Introduction LED Matrix
- LED Matrix 1 - Red Line
- LED Matrix 2 - Squares
- LED Matrix 3 - Light
- LED Matrix 4 - Temperature
Week 5
- Proctoring Survey
- 5.01 Server-Side Web Programming
- 5.01 Server-Side Web Programming
- 5.02 Web Programming by Web Frameworks
- 5.02 Web Programming by Web Frameworks
- 5.03 MVC – Model-View-Controller
- 5.03 MVC – Model-View-Controller
- 5.04 Selected Web Frameworks
- 5.04 Selected Web Frameworks
- 5.05 Session Management
- 5.05 Session Management
- 5.06 Persistence and Database Layer
- 5.06 Persistence and Database Layer
- 5.07 Asynchronous Client-Server Communication
- 5.07 Asynchronous Client-Server Communication
- 5.08 Lightweight Webservices: XML-RPC & REST
- 5.08 Lightweight Webservices: XML-RPC & REST
- 5.09 Graphics, Video and Character Encoding
- 5.09 Graphics, Video and Character Encoding
- Learning Material
- Weekly Assignment
Excursion Ruby
- Ruby on CodeOcean - Getting started
- Ruby - Add
- Ruby - Length
- Ruby - Is_prime
- Ruby - Robot Lawnmower
Week 6
- Learning Material
- 6.01 The Web Today and Tomorrow: Social, Semantic, and Service Web
- 6.02 Social Web and Social Media
- 6.02 Social Web and Social Media
- 6.03 Introduction to Search Engines
- 6.03 Introduction to Search Engines
- 6.04 Index-based Search Engines and Crawlers
- 6.04 Index-based Search Engines and Crawlers
- 6.05 Data Processing and Ranking of Search Results
- 6.05 Data Processing and Ranking of Search Results
- 6.06 Semantic Web - An Introduction
- 6.06 Semantic Web - An Introduction
- 6.07 SOAP-based Web Services
- 6.07 SOAP-based Web Services
- Weekly Assignment
- Upgrade to Proctored Track and Register with our Proctoring Partner
- Bonus Quiz Proctoring
Final Exam
- Final Exam
Course End Survey
- Survey