Schedule

Schedule

Sunday, October 26

1414346400 The Tech Guy
1414360800 This Week in Tech

Monday, October 27

1414429200 Tech News Today
1414432800 Triangulation
1414438200 iPad Today
1414450800 Tech News 2Night

Tuesday, October 28

1414515600 Tech News Today
1414519200 MacBreak Weekly
1414526400 Security Now
1414533600 Before You Buy
1414537200 Tech News 2Night
1414540800 All About Android
1414549800 Padre's Corner

Wednesday, October 29

1414596600 FLOSS Weekly
1414602000 Tech News Today
1414605600 Windows Weekly
1414612800 This Week in Google
1414623600 Tech News 2Night
1414630800 Ham Nation

Thursday, October 30

1414688400 Tech News Today
1414692000 Know How...
1414695600 Marketing Mavericks
1414701000 Coding 101
1414704600 Home Theater Geeks
1414710000 Tech News 2Night
1414711800 The Giz Wiz

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1414774800 Tech News Today
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1414796400 Tech News 2Night

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1414864800 The Tech Guy

Sunday, November 2

1414954800 The Tech Guy
1414969200 This Week in Tech

Monday, November 3

1415037600 Tech News Today
1415041200 Triangulation
1415046600 iPad Today
1415059200 Tech News 2Night

Tuesday, November 4

1415124000 Tech News Today
1415127600 MacBreak Weekly
1415134800 Security Now
1415142000 Before You Buy

Most Recent Episodes

Tech News 2Night

Roku may be planning to go public.

This Week in Law

Are there privacy issues when using big data to solve problems like Cancer or Ebola?

Android App Arena
Episode #18: Faux Lollipop October 24th, 2014

Hands-on reviews of Nova Launcher, ExDialer, Heads-up Notifications, and NotiWidget Notifications

Tech News Today

Facebook launches a new standalone app called Rooms that enables anonymous discussion.

This Week in Computer Hardware

Civilization: Beyond Earth perfomance tests and building your own Dropbox.

The Giz Wiz

Pumpkin power saw, 3D scanner, and more.

Home Theater Geeks

Problems observed in Cinema Audio Systems.

Coding 101

Finishing the app building module.

Tech News 2Night

Etsy's new dongle, Aereo's legal future

Know How...

Hoverboards, Sticky Windows, and Quadcopter Pt. 2

Coding 101 3

Do While Conditioner

February 6 2014

Hosts: Fr. Robert Ballecer, SJ and Shannon Morse

Guest: Lou Maresca

Welcome to Coding 101 - It's the TWiT show that gives YOU the knowledge to live in the wonderful world of the programmer. This week we are taking a look at Xamarin Studio on Mac OSX, While Loops, For Loops, and Relational Operators. You can also check out our transcripts here.

Reviewing While Loops and A Mac OSX IDE Option

How do I download and compile my first code on a Mac?
Download the C# Compiler from the MonoDevelop website.
* Choose the Xamarin Studio package and download it.
* Click on the Mono + GTK# download link.
* Download the Intel Mac: Runtime or SDK links and install.
* Once all three programs are installed, open the Xamarin Studio application.
* From the main page, choose New, C#, Console Application.
* Start writing your code!

My While Loop looks like this:
* int counter = 368; - This will give me an integer variable called counter, which equals 368.
* while (counter > 0) - This is the start of my while loop, with counter being greater than zero.
*
Console.WriteLine(counter); - The loop states that every time my counter is greater than zero, to write out the counter number on my output.
*
counter = counter - 5;
- This changes the counter variable. So each time my while loop restarts, it's going to subtract 5 from the total, until the counter is no longer greater than zero.

Find the Code for ALL of our episodes HERE!

Ivory Tower!

Relational Operators

Remember the while loop?

The loop has a "()" section that determines if the loop will run. That section is called the "conditon" - as long as the condition is TRUE, the loop will run.

Those conditions use "Relationtional Operators" - Code elements that let you compare two operators against a relationship.Those relational operators are:
"<" Less Than
">" Greater Than
">=" Greater Than or Equal to
"<=" Less that or Equal To
"==" Equal To
"!=" Not Equal To

(3==3) is true, (2<1) is false, (71>=23) is true. Those would all work within that section, h
However, those conditions are ALWAYS true or ALWAYS false. That's useless in a loop because the loop would either never terminate, or it would never run. That's why we use variable within the condition, so that we can change the "trueness" or "falseness" of a condition.

for loop

The "for loop" is a "pretest" loop. Which means that, like the while loop, it will test the expression within the condition before ever running the code within the loop. (There IS a technique to make it a post-test loop, but we'll get to that later.) Unlike the "while loop", which requires you to seperately initialize the counter, create the condition and set the interator (step), every "for loop" defines its own initializer, condition, and iterator.

Example:

for (int counter=5; counter <= 10; counter++)

{

console.write (""The count is currently "");

console.writeln (counter);

}"

The Output will be:

The count is currently 5

The count is currently 6

The count is currently 7

The count is currently 8

The count is currently 9

The count is currently 10

1. The for loop will initialize an INT variable named "counter" and assign it the value of "5"
2. The for loop will check the condition of the expression "counter >= 10" -- since we set the value of counter at 5, the condition is true.
3. If the condition is true, the loop will execute
4. the for loop will then perform the "step" -- the increment or decrement that we specify

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.< br/>
* Email us at Padre@twit.tv and Shannon@twit.tv.

Download or subscribe to this show at twit.tv/code.

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Running time: 38:28

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