Treehouse | Community | Initializing Optional Values

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andrew naeve
11,503 Points
ok, i used the ! operator and shouldn't have..

Posted December 11, 2015 7:27am by andrew naeve

andrew naeve
11,503 Points
2 Answers
James Crain
7,967 Points
Just wont compile, but compiles fine in an XCode Playground?

Posted December 11, 2015 3:16am by James Crain

James Crain
7,967 Points
5 Answers
Hector Lopez
1,477 Points
I have no idea what is supposed to be returned in my switch statement to get the x or y coordinate to move.

Posted December 11, 2015 1:04am by Hector Lopez

Hector Lopez
1,477 Points
2 Answers
Jacob Herper
94,150 Points
I am stuck with the second task of the Enum Methods challenge.

Posted December 10, 2015 5:16pm by Jacob Herper

Jacob Herper
94,150 Points
3 Answers
kask
7,509 Points
Make sure your enum members contain associated values???

Posted December 9, 2015 9:03pm by kask

kask
7,509 Points
1 Answer
kask
7,509 Points
Enums and object challenge 1

Posted December 9, 2015 7:19pm by kask

kask
7,509 Points
3 Answers
Stephan Porsche
2,864 Points
I'm getting the error "Initializer for conditional binding must have Optional type, not 'String" in the following task.

Posted December 8, 2015 5:28pm by Stephan Porsche

Stephan Porsche
2,864 Points
4 Answers
PLUS

Martin Wildfeuer
Courses Plus Student 11,071 Points
Typo in Assignment

Posted December 7, 2015 8:17pm by Martin Wildfeuer

Martin Wildfeuer
Courses Plus Student 11,071 Points
0 Answers
james white
78,399 Points
Referencing array index inside optionally unwrapped dictionary

Posted December 6, 2015 5:44pm by james white

james white
78,399 Points
7 Answers
PLUS

Jason Teo
Courses Plus Student 8,398 Points
How do I solve this question?

Posted December 6, 2015 9:06am by Jason Teo

Jason Teo
Courses Plus Student 8,398 Points
3 Answers
Woongshik Choi
42,387 Points
What's wrong on my code?

Posted December 6, 2015 12:03am by Woongshik Choi

Woongshik Choi
42,387 Points
0 Answers
Woongshik Choi
42,387 Points
What's wrong on my code?

Posted December 6, 2015 12:03am by Woongshik Choi

Woongshik Choi
42,387 Points
2 Answers
Rafael Robles
3,907 Points
Task 2 of 2: assigning done button shows compiler errors.

Posted December 5, 2015 11:50pm by Rafael Robles

Rafael Robles
3,907 Points
1 Answer
Jacob Bergdahl
29,119 Points
Compiler error during code challenge

Posted December 5, 2015 2:43pm by Jacob Bergdahl

Jacob Bergdahl
29,119 Points
2 Answers
andrew naeve
11,503 Points
why couldn't i use increment and decrement operators on this enum switch statement?

Posted December 4, 2015 9:51pm by andrew naeve

andrew naeve
11,503 Points
2 Answers
james white
78,399 Points
nil target and action? [Resolved]

Posted December 4, 2015 9:30pm by james white

james white
78,399 Points
1 Answer
Pedro Ruíz
28,105 Points
Am I missing something or does the simulator have a bug?

Posted December 4, 2015 12:48pm by Pedro Ruíz

Pedro Ruíz
28,105 Points
2 Answers
PLUS

ALEKSANDR KONAKOV
Courses Plus Student 2,555 Points
Works in a playground - doesn't work here

Posted December 4, 2015 12:00pm by ALEKSANDR KONAKOV

ALEKSANDR KONAKOV
Courses Plus Student 2,555 Points
2 Answers
Brendan Whiting
Front End Web Development Techdegree Graduate 84,738 Points
I don't understand "let redValue, let greenValue..." here

Posted December 4, 2015 4:48am by Brendan Whiting

Brendan Whiting
Front End Web Development Techdegree Graduate 84,738 Points
1 Answer
Brendan Whiting
Front End Web Development Techdegree Graduate 84,738 Points
In the challenge code given, "Point" is a class not a struct.

Posted December 4, 2015 12:52am by Brendan Whiting

Brendan Whiting
Front End Web Development Techdegree Graduate 84,738 Points
0 Answers
PLUS

ALEKSANDR KONAKOV
Courses Plus Student 2,555 Points
Tried the code in a playground of Xcode 7 - it's OK. Don't see any errors in a preview Window here.

Posted December 4, 2015 12:02am by ALEKSANDR KONAKOV

ALEKSANDR KONAKOV
Courses Plus Student 2,555 Points
1 Answer
Brendan Whiting
Front End Web Development Techdegree Graduate 84,738 Points
Why am I getting an error?

Posted December 3, 2015 11:30pm by Brendan Whiting

Brendan Whiting
Front End Web Development Techdegree Graduate 84,738 Points
1 Answer

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andrew naeve

andrew naeve

James Crain

James Crain

Hector Lopez

Hector Lopez

Jacob Herper

Jacob Herper

kask

kask

kask

kask

Stephan Porsche

Stephan Porsche

Martin Wildfeuer

Martin Wildfeuer

james white

james white

Jason Teo

Jason Teo

Woongshik Choi

Woongshik Choi

Woongshik Choi

Woongshik Choi

Rafael Robles

Rafael Robles

Jacob Bergdahl

Jacob Bergdahl

andrew naeve

andrew naeve

james white

james white

Pedro Ruíz

Pedro Ruíz

ALEKSANDR KONAKOV

ALEKSANDR KONAKOV

Brendan Whiting

Brendan Whiting

Brendan Whiting

Brendan Whiting

ALEKSANDR KONAKOV

ALEKSANDR KONAKOV

Brendan Whiting

Brendan Whiting