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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

7:30

#45 RJS Tips

RailsCasts (Mobile) ·

2007/06/15

This episode is packed with little RJS goodies. Learn the different ways to access an element, how to add "if" conditions and how to apply an effect to multiple elements.

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7:18

#44 Debugging RJS

RailsCasts (Mobile) ·

2007/06/13

RJS and AJAX can be difficult to debug. Many times you don't get any error message in the browser. Learn different techniques for solving these tricky problems in this episode.

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11:34

#43 AJAX with RJS

RailsCasts (Mobile) ·

2007/06/11

This episode will walk you through adding AJAX functionality to a form using RJS. See how to easily update multiple elements on a page.

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3:55

#42 with_options

RailsCasts (Mobile) ·

2007/06/08

Several methods in rails take a hash of options as the last argument. If you are passing the same options to several methods, you can remove this duplication by using with_options. Learn all about it in this episode.

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4:59

#41 Conditional Validations

RailsCasts (Mobile) ·

2007/06/06

By default, validations will take place every time the model is saved. Sometimes you only want a validation to happen when certain conditions are met. See how to do that in this episode.

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9:06

#40 Blocks in View

RailsCasts (Mobile) ·

2007/06/04

If you try to create a helper method which accepts a block, you will run into a few gotchas. Learn the secrets of blocks in views in this episode.

en

3:30

#39 Customize Field Error

RailsCasts (Mobile) ·

2007/06/01

When a validation error occurs, Rails helpfully wraps the field in a div tag so you can style it. But sometimes you don't want this behavior. In this episode you will see how to customize it.

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4:26

#38 Multibutton Form

RailsCasts (Mobile) ·

2007/05/30

If you have a form with multiple buttons, you can detect which button was clicked by checking the passed parameters. Learn how in this episode.

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6:28

#37 Simple Search Form

RailsCasts (Mobile) ·

2007/05/28

A search form is quite different than other forms, this is because it does not deal with model's attributes. See a good way to add a simple search form in this episode.

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8:50

#36 Subversion on Rails

RailsCasts (Mobile) ·

2007/05/25

This episode will walk you through setting up a Rails project on subversion. It covers some helpful tips and gotchas you may experience along the way.

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8:44

#35 Custom REST Actions

RailsCasts (Mobile) ·

2007/05/23

REST adds many constraints. It restricts your controllers to seven actions. Normally this is okay, but sometimes you need to add your own custom actions. Learn how in this episode.

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6:39

#34 Named Routes

RailsCasts (Mobile) ·

2007/05/21

When you add a custom route, make it a named route so you have url helper methods to easily link to that new route. See episode for details.

en

7:55

#33 Making a Plugin

RailsCasts (Mobile) ·

2007/05/18

You can sometimes remove a lot of duplication by generating methods dynamic. In this episode I will show you how to create a plugin which does exactly that.

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5:22

#32 Time in Text Field

RailsCasts (Mobile) ·

2007/05/16

Although Rails does allow you to edit time attributes with text fields, it's not very flexible. In this episode you will learn how to use a virtual attribute to format the time to your liking.

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5:01

#31 Formatting Time

RailsCasts (Mobile) ·

2007/05/14

Learn how to use the trusty strftime method to format a time, and see how Rails allows you to save this format for later use.

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5:16

#30 Pretty Page Title

RailsCasts (Mobile) ·

2007/05/11

If you are like me, you avoid creating page titles because it is kind of a pain. But in this episode I will show you a clean way to add titles to your pages.

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5:11

#29 group_by Month

RailsCasts (Mobile) ·

2007/05/09

Learn how to use the very useful group_by method to group an array by anything you want! In this episode I group an array of tasks by month then sort it properly.

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4:25

#28 in_groups_of

RailsCasts (Mobile) ·

2007/05/07

Have you ever wanted to visually line up items in rows and columns? The in_groups_of method makes this a cinch. Just watch out for the gotcha.

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5:50

#27 Cross Site Scripting

RailsCasts (Mobile) ·

2007/05/04

Another common security issue is cross site scripting. In this episode you will see why it is so important to escape any HTML a user may submit.

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6:14

#26 Hackers Love Mass Assignment

RailsCasts (Mobile) ·

2007/05/02

Your site may be at risk! When using mass assignment, you are giving the user complete control over that model and its associations. See how a hacker might use this vulnerability and learn how to stop it in this episode.

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345 results

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