.NET/ASP.NET/C#/VB.NET PDF Document SDK

Although this presentation example of The Class is designed for a 45-minute presentation, you can use the BBP story template to plan a much longer class or even a multiyear curriculum. Consider how much time you have 45 minutes, 2 hours, 3 days, or 3 years and write in the Key Point column the three most important lessons you want someone to learn during that period of time. Then continue working in the story template from left to right you ll add more columns to the right of the Detail column depending on how deep you want to go into the material.

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require 'csv' people = CSV.parse(File.read('text.txt')) puts people[0][0] puts people[1][0] puts people[2][0]

What are variables, really You can think of them as names referring to values. So, after the assignment x = 1, the name x refers to the value 1. It s almost like using dictionaries, where keys refer to values, except that you re using an invisible dictionary. Actually, this isn t far from the truth. There is a built-in function called vars, which returns this dictionary: >>> >>> >>> 1 >>> >>> 2 x = 1 scope = vars() scope['x'] scope['x'] += 1 x

This example uses the File class to open and read in the contents of a file, and CSV.parse immediately uses these to convert the data into an array of arrays. The elements in the main array represent each line in the file, and each element in those elements represents a different attribute (or field) of that line. Therefore, by printing out the first element of each entry, you get the people s names only.

An even more succinct way of loading the data from a CSV-formatted file into an array is with CSV.read:

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

The find and find_all methods provided by the Enumerable module to Array make it easy for you to perform searches upon the data available in the array. For example, you d use this code if you wanted to pick out the first person in the data called Laura:

Caution In general, you should not modify the dictionary returned by vars because, according to the official

Together with your engaging story template structure, these slides add a visual dynamism and interest that increase the likelihood that your students will remember and apply the most important information you want to teach.

require 'csv' people = CSV.read('text.txt') laura = people.find { |person| person[0] =~ /Laura/ } puts laura.inspect

["Laura Smith", "Cook", "Female", "23"]

The last BBP example in this chapter shows one more way that BBP can unlock the verbal and visual power buried inside a presentation this time with a sales pitch that your Internet services rm is making to a potential client The typical outline in the old way of doing PowerPoint presentations would feature a structure with category headings like Our Company, Our Team, Our Services, Our Differentiation, and Our Clients the message would be essentially All About Us Of course, each category heading would be followed by list after list of facts, without a story to be found anywhere to tie them together Often the origin of this type of presentation is the marketing department, where the goal of the marketers is to create a single, uniform, consistent message that they will then distribute to the sales team to deliver exactly as it is.

Using the find method with a code block that looks for the first matching line where the name contains Laura gives you back the data you were looking for. Where find returns the first matching element of an array or hash, find_all returns all valid matches. Let s say you want to find the people in your database whose ages are between 20 and 40:

Python documentation, the result is undefined. In other words, you might not get the result you re after.