Directory Utility for Ruby

By default, migrations will run on the development environment. Here's how you would specify another environment.

Well, ruby is actually so flexible that there is no real need to implement the goode olde signals & slots metaphor. But it serves nicely as demonstration of ruby properties, so here we go.

From time to time you may have reasons to override the default find method that ActiveRecord provides. In this example, we'll store a side-copy of the record attributes so that we have some basis for discovering changes to the data.

note: this will not override dynamic finders such as find_by_id

This will render a flash div only if there is a message in flash. Also will set the id to the flash key.

flash[:notice] returns

This is the notice

Customizable recursive directory scanner.

This class intended to collect TODO comments from java/c++/etc source files.

Example:

protected readFileData (String path) throws IOException {
// TODO: add try...catch block for IOException
InputStream is = new FileInputStream(path);
...
}


See also DirectoryScanner class.

This class illustrates mixed GUI/command line parameters passing. Any parameter may be specified in the command line. All unspecified parameters will be read using GUI dialog box.

This code illustrates using ruby REXML package. It converts J2EE web application deployment descriptor web.xml into Freemind mindmap document.

This snippet illustrates following:

1. Using http request to get the data
2. Parsing RSS feeds
3. Sending email