Schedule

Schedule

Tuesday, September 30

1412100000 MacBreak Weekly
1412107200 Security Now
1412114400 Before You Buy
1412118000 Tech News 2Night
1412121600 All About Android
1412130600 Padre's Corner

Wednesday, October 1

1412177400 FLOSS Weekly
1412182800 Tech News Today
1412186400 Windows Weekly
1412193600 This Week in Google
1412204400 Tech News 2Night
1412211600 Ham Nation

Thursday, October 2

1412269200 Tech News Today
1412272800 Know How...
1412276400 Marketing Mavericks
1412281800 Coding 101
1412285400 Home Theater Geeks
1412290800 Tech News 2Night
1412292600 The Giz Wiz

Friday, October 3

1412355600 Tech News Today
1412359200 This Week in Law
1412366400 Android App Arena
1412377200 Tech News 2Night

Saturday, October 4

1412445600 The Tech Guy

Sunday, October 5

1412532000 The Tech Guy
1412546400 This Week in Tech

Monday, October 6

1412614800 Tech News Today
1412618400 Triangulation
1412623800 iPad Today
1412636400 Tech News 2Night

Tuesday, October 7

1412701200 Tech News Today
1412704800 MacBreak Weekly
1412712000 Security Now
1412719200 Before You Buy
1412722800 Tech News 2Night
1412726400 All About Android
1412735400 Padre's Corner

Wednesday, October 8

1412782200 FLOSS Weekly
1412787600 Tech News Today
1412791200 Windows Weekly
1412798400 This Week in Google
1412809200 Tech News 2Night
1412816400 Ham Nation

Thursday, October 9

1412874000 Tech News Today
1412877600 Know How...
1412881200 Marketing Mavericks
1412886600 Coding 101
1412890200 Home Theater Geeks
1412895600 Tech News 2Night
1412897400 The Giz Wiz

Friday, October 10

1412960400 Tech News Today
1412964000 This Week in Law

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Coding 101 21

Perl: Getting Started

June 12 2014

Hosts: Fr. Robert Ballecer, SJ and Shannon Morse

Guest: Patrick Delahanty

Ivory Tower

Control Structures
* The structure of Perl is more like C# than Python
-- While Python uses whitespace to delineate lines of code, Perl uses ";" a semicolon
-- Also like C#, Perl uses "{}" Curly brackets to create BLOCKS of code

Variables
* Much like Python, Perl doesn't require you to declare variables seperately from expressions.
* You can declare variable WITHIN the expression.

Perl offers three types of variables: Scalars, Arays and Associative Arrays
* We're going to show you the first two: Scalars and Arrays

Printing in Perl
* Printing in Perl works much in the same way as printing in Python
* You can print numbers, strings, variables, and combinations thereof.

Scalars
* These are either numbers or strings
* Perl doesn't require you to mark a variable as either a number or a string... it all looks the same to Perl
* Perl also doesn't require you to differerentiate between integers and real numbers

Usage of Scalars:
* You declare a scalar variable by using "$" right befofe the name of the variable
$Var1 = 28 Creates a variable named "Var1" containing the integer "4"
$Var2 = "Coding 101" Crates a variable named "Var2" containing the string "Coding 101"
$Var3 = 3.14 Creates a variable named "Var3" containing the decimal number "4.5"

Arrays
* An array is a ONE-DIMENSIONAL indexed list of Scalar variables

Usage of Arrays
* You declare an array by using "@" right before the name of the array
* Individual scalar variables within the array can be accessed by pointing to their index with the SCALAR identifier
@C101 = ("Padre", "Snubs", "Bryan") Creates an array named "C101" and fills it with the strings, "Padre", "Snubs" and "Bryan"
@coding = @c101 Creates an array called, "coding" and fills it with the values from the array "c101"
$C101[2] = "Cranky Hippo" Changes the value in the third item in the array "C101" from "Bryan" to "Cranky Hippo"

Get in Touch With Us!

* Subscribe and get Coding 101 automatically at TWiT.tv!
* Follow PadreSJ and Snubs on Twitter.
* Watch the show live and join the chatroom every Thursday at 1:30pm PST.
* Email us at Padre@twit.tv and Shannon@twit.tv.
* Join our Google+ Community!
*Check out our transcripts.

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Running time: 42:03