Simple .NET/ASP.NET PDF document editor web control SDK

Following your story template and storyboard sketches as usual, set up your Act I layouts and apply them to your slides, and then add graphics. The example in Figure 9-19 features a split-screen layout, except this variation is horizontal, with a graphic at the top and a related photograph from iStockphoto below. The headlines from Act I of the story template are hidden in these slides to let the visual power of the graphics tell the story along with the narration. The Setting slide (upper left), uses a declining sales chart created from your client s data at the top and a photo of a cash register receipt below to illustrate the hidden headline Your sales dried up last year in your most lucrative mar-

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each technically reads from the file delimiter by delimiter, where the standard delimiter is a newline character. You can change this delimiter. See Appendix B s Special Variables section for details.

>>> names = ['Mrs. Entity', 'Mrs. Thing'] >>> n = names # Again pretending to pass names as a parameter >>> n[0] = 'Mr. Gumby' # Change the list >>> names ['Mr. Gumby', 'Mrs. Thing'] You ve seen this sort of thing before. When two variables refer to the same list, they . . . refer to the same list. It s really as simple as that. If you want to avoid this, you have to make a copy of the list. When you do slicing on a sequence, the returned slice is always a copy. Thus, if you make a slice of the entire list you get a copy: >>> names = ['Mrs. Entity', 'Mrs. Thing'] >>> n = names[:] Now n and names contain two separate (nonidentical) lists that are equal: >>> n is names 0 >>> n == names 1 If you change n now (as you did inside the function change), it won t affect names: >>> n[0] = 'Mr. Gumby' >>> n ['Mr. Gumby', 'Mrs. Thing'] >>> names ['Mrs. Entity', 'Mrs. Thing'] Let s try this trick with change: >>> change(names[:]) >>> names ['Mrs. Entity', 'Mrs. Thing'] Now, the parameter n contains a copy, and your original list is safe.

You can read an I/O stream with each using a custom delimiter of your choosing:

File.open("text.txt").each(',') { |line| puts line }

9

Fred Bloggs, Manager, Male, 45 Laura Smith, Cook, Female, 23 Debbie Watts, Professor, Female, 38

Note In case you wonder: Names that are local to a function, including parameters, do not clash with names outside of the function (that is, global ones). For more information about this, see the discussion of scoping, later in this chapter.

In this case, you passed an optional argument to each that specified a different delimiter from the default newline delimiter. Commas delimit the input.

ket segment. The Role slide (upper right), uses a photo of a spreadsheet below but now shows an oil well above to illustrate You asked us to drill into the numbers and analyze the situation. The Point A slide (lower left) uses the same oil well along with a no sale photograph to illustrate You have tapped out your existing revenue base. And the Point B slide (lower right) uses the same oil well with an arrow pointing upward from a cash register drawer to illustrate You need a strategy to get pro ts owing again.

You can override the default delimiter by setting the special variable $/ to any delimiter you choose. Tip

You can read an I/O stream byte by byte with each_byte:

The consistent horizontal split-screen layout across the slides creates an interesting dynamic as the changing photos carry through the meaning of the hidden headlines, which you will explain verbally. To set up the custom layout for these slides, add a Picture placeholder to ll the bottom half of the screen, as shown in Figure 9-20, and then change the font color of the headlines to white to make them appear invisible against the white background. As described in 8, after you create a custom layout using a Picture placeholder and apply the layout to your slides, you simply right-click the placeholder and choose Paste on the shortcut menu to automatically crop and size the photo to t; alternatively, you can click the picture icon to insert a graphic from somewhere on your computer. If you re good at creating custom layouts, share them with others to make their jobs easier if you have used a Picture placeholder (not a Content placeholder) on the custom

File.open("text.txt").each_byte { |byte| puts byte }