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If you plan to use only one item of punctuation at a time, such as a comma or period, save time by dragging. Drag from the punctuation key (it appears as . 123 in some applications and @123 in others) to the item you want to include. When you start the drag at . 123 or @123, the iPod switches momentarily to the numbers and punctuation view. After selecting your item, the keyboard automatically bounces back to the alphabet. Another punctuation trick for the end of sentences is to tap the punctuation key, then tap the item you want to use (such as a question mark or period), and then tap the spacebar. The iPod is smart enough to recognize the end of a sentence and put you back in alphabet mode. During normal typing, you can also double-tap the spacebar to add a period followed by a space. This double-tap trick is controlled in your settings via Settings General Keyboard . Shortcut.

Adding methods to the prototype object is safe, because you re sharing the same function objects between different instances. This can yield some advantages in terms of memory used to store multiple instances, because you re sharing the same function objects. But accessing functions in the prototype is slightly slower than accessing them in the constructor, because they re searched first in the current instance and then in the prototype. A common approach is to declare members in the constructor and methods in the prototype object; this is the approach we ll follow in this book. Now that we ve introduced the prototype object, we ll examine object extensibility. In the next section, we ll recap the most common ways of adding properties to JavaScript objects.

the_title = raw_input('Enter website title: ') bmark = Bookmark( url=the_url, title=the_title, date_added=datetime.utcnow() ) print('Saving CouchDB document') db(bmark).save() print('Document Saved.') Now run your application again by entering this command: python BookmarksApp.py This time around, you should be prompted for a URL and a title, as shown in Figure 11-2.

Tap and hold any keyboard letter to view inflected versions of that letter. For example, tapping and holding n presents the options of adding n, n, or , as shown in Figure 2-10. This shortcut makes it much easier to type foreign words.

In the previous sections, we explained how to add properties to objects. JavaScript s dynamic features let you add a property to an object at any time by accessing a nonexistent property and assigning it a value, as shown in the following code:

It s great that you can create CouchDB documents from Python, but what if you wanted to use Python to execute CouchDB views You d need to create a view. Of course, you could use Futon or the CouchDB API to create this view, but you can also use Couchdbkit for this. The first thing you need to do is create a valid directory structure for your view s design document. In your python_couch directory, create a subdirectory called views/_design/bookmark/views/all using the following command: mkdir -p views/_design/bookmark/views/all Now create a file in the all subdirectory named map.js. The contents of this file should match Listing 11-5. Listing 11-5. map.js function(doc) { if(doc.doc_type == "Bookmark") emit(doc._id, doc); } Now you need to use the loaders feature of Couchdbkit to load this view and insert it into the CouchDB database. Back in your python_couch directory (where you saved Bookmark.py and BookmarksApp.py earlier), create a new file named BookmarksView.py, and add the code in Listing 11-6 to it. Listing 11-6. BookmarksView.py from from from from Bookmark import Bookmark couchdbkit.client import Server couchdbkit.session import create_session couchdbkit.loaders import FileSystemDocsLoader

To select a non-English keyboard, go to Settings General International Keyboards and choose from your iPod s long list of foreign-language variations. At the time of writing, there are no right-to-left settings for Arabic or Hebrew.

var book = {}; book.title = 'ASP.NET AJAX in Action'; book.publisher = 'Manning';

To enable the Caps Lock function, go to Settings General Keyboard Preferences. When this function is enabled, you can double-tap the Shift key to toggle the lock on and off.