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

empty : Returns true if the hash has no entries (that is, pairs of keys and values). has_key : Returns true if the hash has an entry with the supplied key. keys: Returns an array containing all the keys from the hash s entries. length (or size): Returns the number of entries within the hash. to_a: Returns an array representing the hash with each entry given an array containing its key and value. values: Returns an array containing all the values from the hash s entries.

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Action headline, and click and drag it to the line after your Point B headline your nal document should appear as shown in Figure 6-3. After you save the document, close it.

As you can see, the concatenated list looks exactly the same as the extended one in the previous example, yet a hasn t changed this time. Because ordinary concatenation has to make a new list that contains copies of a and b, it isn t quite as efficient as using extend if what you want is something like this: >>> a = a + b Also, this isn t an in-place operation it won t modify the original. The effect of extend can be achieved by assigning to slices, as follows: >>> >>> >>> >>> [1, a = [1, 2, 3] b = [4, 5, 6] a[len(a):] = b a 2, 3, 4, 5, 6]

However, its methods are made available to both classes. The following are some of the most commonly used methods: chr: Returns a string containing an ASCII character of the code represented by the integer. For example: 65.chr == "A". downto(end_integer): Invokes the code block for each integer between that represented by the current object down to end_integer, passing each integer into the code block as i. next: Returns the next integer in ascending sequence from the current one. For example: 5.next == 6. times: Invokes the code block the number of times represented by the current object. The number of each iteration is passed to i. For example: 10.times { |i| puts "This is iteration #{i}" }. upto(end_integer): Invokes the code block for each integer between that represented by the current object up to end_integer, passing each integer into the code block as i.

Float and Integer (and therefore Fixnum and Bignum) are subclasses of Numeric, and so inherit all Numeric s methods. Numeric objects aren t instantiated on their own. The follow-

Now that you ve reformatted your story template, the next step is to import your headlines into PowerPoint 2007. You ll do that with the BBP Storyboard Formatter a specially formatted PowerPoint 2007 le that takes care of a number of technical steps for you so that you don t have to take the time to apply them manually.

ing are the most commonly used methods available to objects whose classes inherit from Numeric:

The index method is used for searching lists to find the index of the first occurrence of a value: >>> knights = ['We', 'are', 'the', 'knights', 'who', 'say', 'ni'] >>> knights.index('who') 4 >>> knights.index('herring') Traceback (innermost last): File "<pyshell#76>", line 1, in knights.index('herring') ValueError: list.index(x): x not in list

abs: Returns the absolute value of the object as another instance of that object. For example, the absolute value of -3 and 3 is 3. Therefore, -3.abs == 3. ceil: Rounds up a value to the nearest integer. For example: 1.2.ceil == 2. integer : Returns true if the object is of class Integer, otherwise false. Note that floats might contain integer values, but they aren t necessarily of class Integer. floor: Rounds down a value to the nearest integer. For example: 1.2.floor == 1. round: Rounds a value to the nearest integer. Note: 0.5 rounds up to 1. step(end_number, step_amount): Invokes the supplied code block, passing in numbers (to i) starting from the value of the object and going in steps of step_amount to end_number. zero : Returns true if the object represents zero, otherwise false.

If you choose not to use the BBP Storyboard Formatter, manually apply the settings as described in the sections Tip 1: Set Up the Of ce Theme Slide Master Manually and Tip 2: Set Up the Notes Master Manually later in this chapter.