diff options
Diffstat (limited to 'railties/guides/source/getting_started.textile')
| -rw-r--r-- | railties/guides/source/getting_started.textile | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/railties/guides/source/getting_started.textile b/railties/guides/source/getting_started.textile index c986b2edce..8f2fa47c8b 100644 --- a/railties/guides/source/getting_started.textile +++ b/railties/guides/source/getting_started.textile @@ -450,7 +450,13 @@ start a web server on your development machine. You can do this by running: $ rails server </shell> -TIP: Compiling CoffeeScript to JavaScript requires a JavaScript runtime and the absence of a runtime will give you an +execjs+ error. Usually Mac OS X and Windows come with a JavaScript runtime installed. +therubyracer+ and +therubyrhino+ are the commonly used runtimes for Ruby and JRuby respectively. You can also investigate a list of runtimes at "ExecJS":https://github.com/sstephenson/execjs. +TIP: Compiling CoffeeScript to JavaScript requires a JavaScript runtime and +the absence of a runtime will give you an +execjs+ error. Usually Mac OS X +and Windows come with a JavaScript runtime installed. Rails adds the +therubyracer+ gem +to Gemfile in a commented line for new apps and you can uncomment if you need it. ++therubyrhino+ is the recommended runtime for JRuby users and is added by default +to Gemfile in apps generated under JRuby. You can investigate about all the +supported runtimes at "ExecJS":https://github.com/sstephenson/execjs#readme. This will fire up an instance of the WEBrick web server by default (Rails can also use several other web servers). To see your application in action, open a @@ -1011,7 +1017,7 @@ by its id value. After finding the record, Rails displays it by using +app/views/posts/show.html.erb+: <erb> -<p class="notice"><%= notice %></p> +<p id="notice"><%= notice %></p> <p> <b>Name:</b> @@ -1278,7 +1284,7 @@ So first, we'll wire up the Post show template (+/app/views/posts/show.html.erb+) to let us make a new comment: <erb> -<p class="notice"><%= notice %></p> +<p id="notice"><%= notice %></p> <p> <b>Name:</b> @@ -1344,7 +1350,7 @@ template. This is where we want the comment to show, so let's add that to the +app/views/posts/show.html.erb+. <erb> -<p class="notice"><%= notice %></p> +<p id="notice"><%= notice %></p> <p> <b>Name:</b> @@ -1426,7 +1432,7 @@ Then you can change +app/views/posts/show.html.erb+ to look like the following: <erb> -<p class="notice"><%= notice %></p> +<p id="notice"><%= notice %></p> <p> <b>Name:</b> @@ -1497,7 +1503,7 @@ create a file +app/views/comments/_form.html.erb+ containing: Then you make the +app/views/posts/show.html.erb+ look like the following: <erb> -<p class="notice"><%= notice %></p> +<p id="notice"><%= notice %></p> <p> <b>Name:</b> @@ -1692,10 +1698,10 @@ class Post < ActiveRecord::Base end </ruby> -The +:allow_destroy+ option on the nested attribute declaration tells Rails to -display a "remove" checkbox on the view that you'll build shortly. The -+:reject_if+ option prevents saving new tags that do not have any attributes -filled in. +The +:allow_destroy+ option tells Rails to enable destroying tags through the +nested attributes (you'll handle that by displaying a "remove" checkbox on the +view that you'll build shortly). The +:reject_if+ option prevents saving new +tags that do not have any attributes filled in. We will modify +views/posts/_form.html.erb+ to render a partial to make a tag: @@ -1768,7 +1774,7 @@ Finally, we will edit the <tt>app/views/posts/show.html.erb</tt> template to show our tags. <erb> -<p class="notice"><%= notice %></p> +<p id="notice"><%= notice %></p> <p> <b>Name:</b> @@ -1828,7 +1834,7 @@ Now you can edit the view in <tt>app/views/posts/show.html.erb</tt> to look like this: <erb> -<p class="notice"><%= notice %></p> +<p id="notice"><%= notice %></p> <p> <b>Name:</b> |