ASP.NET Web PDF Document Viewer/Editor Control Library

When you reach the Point A slide in the closing Act III of the presentation, you can say something like, You ll remember we started today by looking at your at returns [advance to Point B slide] and agreeing that you want your returns to improve. That s been our focus today guring out exactly how you can get from a at line to an upward-sloping line. Well [advance to Call to Action slide], today we ve shown that we can help you to improve your returns in three ways. First, our innovative three-part strategy will . . . These familiar images connect back to the core problem of the story you began and visually reinforce the messages you want your audience to remember. Just as you start strong visually and verbally, these same slides can help you end strong visually and verbally. You can change the order of the slides and otherwise adapt, innovate, and

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puts "String contains no digits" unless "This is a test" =~ /[0-9]/

All the standard sequence operations (indexing, slicing, multiplication, membership, length, minimum, and maximum) work with strings, as you saw in the previous chapter. Remember, however, that strings are immutable, so all kinds of item or slice assignments are illegal: >>> website = 'http://www.python.org' >>> website[-3:] = 'com' Traceback (most recent call last): File "<pyshell#19>", line 1, in website[-3:] = 'com' TypeError: object doesn't support slice assignment

This time you re saying that unless the range of digits from 0 to 9 matches against the test string, tell the user that there are no digits in the string. It s also possible to use a method called match, provided by the String class. Whereas =~ returns true or false depending on whether the regular expression matches the string, match provides a lot more power. Here s a basic example:

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puts "String has vowels" if "This is a test".match(/[aeiou]/)

It looks almost the same as the earlier example. However, because match doesn t require a regular expression as an argument, it converts any string supplied into a regular expression, so this works in the same way:

improvise verbally. Whatever you plan to say in your strong ending here in Act III, make sure to make the appropriate updates in the notes area of the corresponding slides that you duplicated.

If you are new to Python programming, chances are you won t need all the options that are available in Python string formatting, so I ll give you the short version here. If you are interested in the details, take a look at the section String Formatting: The Long Version, which follows. Otherwise, just read this and skip down to the section String Methods. String formatting is done with the string formatting operator, the percent (%) sign.

puts "String has vowels" if "This is a test".match("[aeiou]")

This functionality is useful if the regular expression is supplied by a user, or loaded in from a file or other external source rather than hard coded. In regular expressions, if you surround a section of the expression with parentheses ( and ), the data matched by that section of the regular expression is made available separately from the rest. match lets you access this data:

Now that you have taken care of the most important slides in the presentation, the next thing to do is to take care of the slides that don t require graphics or that will be using off-screen media. The storyboard sketches in Figure 8-23 show four examples of these slides blacking out a screen on an Act I slide (upper left), displaying a physical prop (upper right), switching to another application on an Explanation slide (lower left), and hiding an example Detail slide that you ll cover during a demonstration (lower right).

x = "This is a test".match(/(\w+) (\w+)/) puts x[0] puts x[1] puts x[2]

contains the data matched by the entire regular expression. However, each successive element contains that which was matched by each referenced section of the regular expression. In this example, the first (\w+) matched This and the second (\w+) matched is.

To the left of it you place a string (the format string), and to the right of it you place the value you want to format. You can either use a single value such as a string or a number, or you