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1417716000 Tech News Today
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1417728600 Coding 101
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1417802400 Tech News Today
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Most Recent Episodes

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Nexus 6 Review

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Nexus Player, Lollipop love/hate, and patent wars.

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Episode #483: Let's Encrypt November 25th, 2014

Steve Gibson looks in depth at new Certificate Authority "Let's Encrypt".

MacBreak Weekly

Iphone 6 Plus Pixel Peeping and Beats music coming to iOS.

Tech News 2Night

Will Safari Ditch Google?

Tech News Today

Sony Pictures gets hit with a devastating hack.

iPad Today

Dropbox Carousel, Square + Apple Pay, Product (RED) apps.

Tech News 2Night
Episode #222: New Drone Rules November 24th, 2014

New rules for drones you might not like, Netflix's big push into Asia, and the spying malware that

This Week in Enterprise Tech

Steve Gibson on Regin

Triangulation

Philosopher at University of Oxford, author of "Superintelligence."

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"

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*Check out our transcripts.

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Running time: 42:03