Treehouse | Community | Initializing Optional Values

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Anatolii Tcai
2,401 Points
Do not really understand the task. So I create a failable initializer using init?, but how to retrieve the values?

Posted February 18, 2017 6:04am by Anatolii Tcai

Anatolii Tcai
2,401 Points
0 Answers
PLUS

Joan Perez Lozano
Courses Plus Student 3,190 Points
what's missing here (Failable init)

Posted February 17, 2017 6:46pm by Joan Perez Lozano

Joan Perez Lozano
Courses Plus Student 3,190 Points
0 Answers
Adam Petritsis
2,942 Points
What am i doing wrong in this exercise?

Posted February 17, 2017 3:17pm by Adam Petritsis

Adam Petritsis
2,942 Points
1 Answer
John Wilcox
4,233 Points
Extra argument in call?

Posted February 16, 2017 1:55pm by John Wilcox

John Wilcox
4,233 Points
1 Answer
John Wilcox
4,233 Points
What on earth does this mean??

Posted February 15, 2017 1:54pm by John Wilcox

John Wilcox
4,233 Points
1 Answer
eliotanke
2,542 Points
My code compiles in Xcode but doesn't compile in the editor. What discrepancies do the two editors have?

Posted February 12, 2017 9:50pm by eliotanke

eliotanke
2,542 Points
1 Answer
PLUS

Richard Pitts
Courses Plus Student 1,243 Points
Need some help here!

Posted February 8, 2017 7:48pm by Richard Pitts

Richard Pitts
Courses Plus Student 1,243 Points
0 Answers
Ryan Clark
2,832 Points
Can someone explain what I've got wrong?

Posted February 5, 2017 9:01pm by Ryan Clark

Ryan Clark
2,832 Points
1 Answer
Edward Sapp
8,479 Points
What am I doing wrong in my nested if let statement?

Posted February 5, 2017 6:31pm by Edward Sapp

Edward Sapp
8,479 Points
2 Answers
Ken Mueller
iOS Development Techdegree Student 8,160 Points
Why unwrap non-optionals using if-let?

Posted January 31, 2017 4:35pm by Ken Mueller

Ken Mueller
iOS Development Techdegree Student 8,160 Points
2 Answers
Sean Wilson
2,572 Points
Coding challenge failing with working code (tested in Xcode)

Posted January 31, 2017 4:40am by Sean Wilson

Sean Wilson
2,572 Points
1 Answer
Aananya Vyas
20,157 Points
cant understand what to do

Posted January 29, 2017 5:51pm by Aananya Vyas

Aananya Vyas
20,157 Points
3 Answers
Edward Laurenson
4,278 Points
I have no idea how to do this task... Swift 3 optionals

Posted January 26, 2017 3:54am by Edward Laurenson

Edward Laurenson
4,278 Points
1 Answer
Gustavo Creative
2,070 Points
Optional Final Quiz Question - What am I doing wrong??

Posted January 21, 2017 6:07am by Gustavo Creative

Gustavo Creative
2,070 Points
1 Answer
Trevor Justice
1,965 Points
In the editor, you have a struct named Book which has few stored properties, two of which are optional...

Posted January 19, 2017 8:29pm by Trevor Justice

Trevor Justice
1,965 Points
1 Answer
ABHINAV VERMA
6,033 Points
If instead of checking if name and age properties are not nil using guard, we had to check address which is optional?

Posted January 19, 2017 5:29pm by ABHINAV VERMA

ABHINAV VERMA
6,033 Points
1 Answer
Vas Pon
655 Points
how should I use dictionary with this strings?

Posted January 18, 2017 8:35pm by Vas Pon

Vas Pon
655 Points
1 Answer
PLUS

Monzer Selim
Courses Plus Student 3,849 Points
how to Make sure that the initializer returns a valid instance given a valid dictionary?

Posted January 14, 2017 10:47am by Monzer Selim

Monzer Selim
Courses Plus Student 3,849 Points
1 Answer
PLUS

Monzer Selim
Courses Plus Student 3,849 Points
what is wrong here with my code ?

Posted January 8, 2017 11:03pm by Monzer Selim

Monzer Selim
Courses Plus Student 3,849 Points
1 Answer
Disha Mohta
2,248 Points
A bit confused on how to approach this challenge

Posted January 6, 2017 3:52am by Disha Mohta

Disha Mohta
2,248 Points
1 Answer
Noe Arzate
Python Web Development Techdegree Student 6,077 Points
Any assistance with failable init code challenge would be greatly appreciated.

Posted January 2, 2017 4:52pm by Noe Arzate

Noe Arzate
Python Web Development Techdegree Student 6,077 Points
2 Answers
Noe Arzate
Python Web Development Techdegree Student 6,077 Points
Stuck with failable init code challenge.

Posted December 29, 2016 5:10pm by Noe Arzate

Noe Arzate
Python Web Development Techdegree Student 6,077 Points
0 Answers
Noe Arzate
Python Web Development Techdegree Student 6,077 Points
why won't my code pass the code challenge using if let? it works fine in xcode.

Posted December 28, 2016 2:31am by Noe Arzate

Noe Arzate
Python Web Development Techdegree Student 6,077 Points
3 Answers
jeremiahjacquet
16,885 Points
Do optionals need to be included in the failable intiallizer?

Posted December 16, 2016 6:04pm by jeremiahjacquet

jeremiahjacquet
16,885 Points
2 Answers
Eugene Yan
3,896 Points
I am not sure where went wrong.

Posted December 12, 2016 8:13pm by Eugene Yan

Eugene Yan
3,896 Points
6 Answers
David Carr
1,070 Points
Code not accepted, but there are no errors. What am I doing incorrectly?

Posted December 9, 2016 5:20pm by David Carr

David Carr
1,070 Points
1 Answer
Brandon Lenz
7,937 Points
Optionals issue

Posted December 9, 2016 1:48am by Brandon Lenz

Brandon Lenz
7,937 Points
1 Answer
J H
1,335 Points
Swift 3 - Failing initializers

Posted December 6, 2016 8:32pm by J H

J H
1,335 Points
1 Answer
Zhiren Jin
6,719 Points
Unable to complete Challenge Task

Posted December 5, 2016 8:04am by Zhiren Jin

Zhiren Jin
6,719 Points
1 Answer

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