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PODCAST

RailsCasts (Mobile)

Every other week you will be treated to a new, free RailsCasts episode featuring tips and tricks with Ruby on Rails, the popular web development framework. These screencasts are short and focus on one technique so you can quickly move on to applying it to your own project. The topics are geared toward the intermediate Rails developer, but beginners and experts will get something out of it as well. A Pro option is also available containing more screencasts each week. This version is for mobile

technology software how-to

All Episodes

5:29

#25 SQL Injection

RailsCasts (Mobile) ·

2007/04/30

One of the most common security problems for dynamic sites is SQL Injection. Thankfully Rails does everything it can in solving this issue, but you still need to be aware of it.

en

4:39

#24 The Stack Trace

RailsCasts (Mobile) ·

2007/04/27

The stack trace can be a very useful tool when it comes to debugging. Learn the ins and outs of how the stack trace works in this episode. Note: I am using an older version of the Rails bundle here so it might be a little different than yours. The command in the newer version is called Install Plugin and requires you to type textmate_footnotes in the search.

en

7:18

#23 Counter Cache Column

RailsCasts (Mobile) ·

2007/04/25

If you need to display the record count for a has_many association, you can improve performance by caching that number in a column.

en

4:37

#22 Eager Loading

RailsCasts (Mobile) ·

2007/04/23

One way to improve performance is to cut down on the number of SQL queries. You can do this through eager loading. Learn all about it in this episode!

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6:41

#21 Super Simple Authentication

RailsCasts (Mobile) ·

2007/04/20

The final piece of the administration puzzle: authentication. There are many different approaches which is why I saved this step for last. This episode will cover a few techniques including the simple solution used for this site.

en

4:32

#20 Restricting Access

RailsCasts (Mobile) ·

2007/04/18

In this second part of the series on administration, you will learn how to lock down the site to keep the public from accessing the administration features.

en

5:12

#19 Where Administration Goes

RailsCasts (Mobile) ·

2007/04/16

This is the first part of a three part series on building an administration system. Many developers choose to separate it completely from the public side of the site by placing it into an admin subdirectory. This episode will show you an alternative and often better solution.

en

1:44

#18 Looping Through Flash

RailsCasts (Mobile) ·

2007/04/13

Displaying flash messages in the layout can be a pain at times. In this episode you will learn an easy way to display any kind of flash message by looping through the hash.

en

6:54

#17 HABTM Checkboxes

RailsCasts (Mobile) ·

2007/04/11

It is often asked: how do I create a list of checkboxes for managing a HABTM association? Ask no more because this episode will show you how to do exactly that.

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3:41

#16 Virtual Attributes

RailsCasts (Mobile) ·

2007/04/09

Keep your controllers clean and forms flexible by adding virtual attributes to your model. This very powerful technique allows you to create form fields which may not directly relate to the database.

en

4:31

#15 Fun with Find Conditions

RailsCasts (Mobile) ·

2007/04/06

You can pass more than simple strings to find conditions. Arrays, ranges, and nil values can be passed as well. In this episode you will see the tricks involved with passing these odd objects to find conditions. (Update: audio fixed).

en

2:57

#14 Performing Calculations on Models

RailsCasts (Mobile) ·

2007/04/04

Did you know ActiveRecord provides class methods for performing calculations on models? You can even use these methods through associations.

en

5:17

#13 Dangers of Model in Session

RailsCasts (Mobile) ·

2007/04/02

Be careful when storing a model in a session. It will behave differently than you expect and can easily get out of sync with the database. Instead of storing the model directly in the session, store the id to the model and use that to fetch it from the database.

en

4:03

#12 Refactoring User Name Part 3

RailsCasts (Mobile) ·

2007/03/30

In the final part of this series you will see how to refactor your tests. Keeping tests clean is important because it will make testing easier to do in the future.

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6:34

#11 Refactoring User Name Part 2

RailsCasts (Mobile) ·

2007/03/28

Testing and refactoring go hand in hand. Refactoring is all about improving code without changing its behavior. Testing is all about making sure you don't change the behavior while you are improving the code.

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5:44

#10 Refactoring User Name Part 1

RailsCasts (Mobile) ·

2007/03/26

Learn how to clean up your code through refactoring. This episode will show you how to move code from the view into the model to remove duplication and simplify the view.

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2:42

#9 Filtering Sensitive Logs

RailsCasts (Mobile) ·

2007/03/23

Are you accepting sensitive user data? Passwords, credit card numbers, etc. By default, Rails stores all submitted parameters in plain text in the logs. This episode will show you how to filter this sensitive input so it doesn't show up in the log file.

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3:30

#8 Layouts and content_for

RailsCasts (Mobile) ·

2007/03/21

If you want to change something in the layout on a per-template basis, content_for is your answer! This allows templates to specify view code that can be placed anywhere in a layout.

en

6:54

#7 All About Layouts

RailsCasts (Mobile) ·

2007/03/19

Everything you wanted to know about layouts: global layouts, controller layouts, shared layouts, dynamic layouts and action layouts. Yes, there really are that many ways to specify a layout.

en

3:44

#6 Shortcut Blocks with Symbol to_proc

RailsCasts (Mobile) ·

2007/03/16

It may have a goofy syntax, but the Symbol#to_proc feature Rails adds allows you to do simple blocks very quickly and easily.

en

345 results

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