This document discusses how to build a Twitter bot using ASP.NET with free tools. It recommends using Visual Studio Express 2012 for Web to develop ASP.NET applications for free. It also suggests using the F# functional programming language with Visual Studio due to its simpler syntax and free tools. The document recommends hosting ASP.NET web applications for free using platforms like AppHarbor and Windows Azure Websites, and using services like SetCronJob for free scheduled jobs over HTTP.

1. ASP.NET で作る
とあるTwitter Bot
開発環境からネット公開までぜんぶ無料だよ!

2. 2012 in 定山渓
http://codejapan.jp/

3. http://code2012survey.azurewebsites.net/

4. http://code-survey.herokuapp.com/

5. @sandinist
https://twitter.com/sandinist

6. http://rubyonrails.org/

7. http://www.heroku.com/

8. Express 2012 for Web
http://www.microsoft.com/visualstudio/jpn/
downloads#d-express-web

9. F#
[functional programming language]
F# Tools for Visual Studio Express 2012 for Web
http://www.microsoft.com/en-gb/download/details.aspx?id=34675

10. Conputation Expressions Immutable
Unit Active Pattern
Tupple
Pattern Match Type Provider
Pipeline operator
F#
[functional programming language]
Monad
Partial Application
Function Composition
Infinite List
F# Tools for Visual Studio Express 2012 for Web
http://www.microsoft.com/en-gb/download/details.aspx?id=34675

11. C# Light Syntax
http://trelford.com/blog/post/LighterCSharp.aspx

12. public class Person
{
/// <summary>
/// Full Name
/// </summary>
public string Name { get; private set; }
/// <summary>
/// Age in years
/// </summary>
public int Age { get; private set; }
public Person(string name, int age)
{
Name = name;
Age = age;
}
}

13. public class Person
/// <summary>
/// Full Name
/// </summary>
public string Name get private set
/// <summary>
/// Age in years
/// </summary>
public int Age get private set
public Person(string name, int age)
Name = name
Age = age

14. public class Person
/// Full Name
public string Name get private set
/// Age in years
public int Age get private set
public Person(string name, int age)
Name = name
Age = age

15. class Person
/// Full Name
string Name get private set
/// Age in years
int Age get private set
Person(string name, int age)
Name = name
Age = age

16. class Person(string name, int age)
/// Full Name
string Name get name
/// Age in years
int Age get age

17. type Person(name:string, age:int) =
/// Full Name
member this.Name = name
/// Age in years
member this.Age = age

18. type Person = {Name:string; Age:int}

19. @Ohotech18Guest
https://twitter.com/ohotech18guest

20. AppHarbor
https://appharbor.com/

21. Git

22. SetCronJob
https://www.setcronjob.com/

23. まとめ
• Visual Studio の Express 版は無料
• ASP.NET Webアプリ開発の最強支援ツール
• 開発言語に F# が利用可能
• 無料
• “より簡素な構文のC#” としての利用
• Visual Studio によるインテリセンスをはじめとした開発支援
• ASP.NET Webアプリを公開する PaaS も無料
• AppHarbor、Windows Azure Websites
• Git で Push
• HTTP の世界では cron も SaaS の時代
• SetCronJob
• 無料

24. Learn,Practice,Share.
Thank you.