Treehouse | Community | Nil Values in Collections

🤑 Join the Treehouse affiliate program and earn 25% commission!

Join our Live Career-Building Workshop: Fast-Track Your Tech Career Without a Degree! ⭐ Register here!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

🫡 Treehouse for Military offers discounts to Veterans, service members and their families!

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

PLUS

Roop P
Courses Plus Student 6,937 Points
Again this doesn't make sense. The code works.

Posted December 14, 2017 6:34pm by Roop P

Roop P
Courses Plus Student 6,937 Points
2 Answers
PLUS

imelda cloutier
Courses Plus Student 2,597 Points
what is the request, a func? can't name a dictionary....

Posted December 4, 2017 6:25pm by imelda cloutier

imelda cloutier
Courses Plus Student 2,597 Points
4 Answers
vivek d
iOS Development Techdegree Student 1,596 Points
can someone explain the question, please?

Posted November 30, 2017 5:15pm by vivek d

vivek d
iOS Development Techdegree Student 1,596 Points
1 Answer
kelake
4,223 Points
I don't understand why this is incorrect

Posted November 10, 2017 7:10am by kelake

kelake
4,223 Points
1 Answer
GHERASIM IRINA
9,161 Points
Code not validate

Posted November 9, 2017 11:34am by GHERASIM IRINA

GHERASIM IRINA
9,161 Points
1 Answer
kelake
4,223 Points
if let statement

Posted November 9, 2017 7:17am by kelake

kelake
4,223 Points
1 Answer
Ryan Forte
iOS Development Techdegree Student 2,955 Points
optional binding not working

Posted November 6, 2017 3:04am by Ryan Forte

Ryan Forte
iOS Development Techdegree Student 2,955 Points
0 Answers
Tealium Solutions
13,874 Points
my failable initializer cannot complile

Posted November 5, 2017 6:47pm by Tealium Solutions

Tealium Solutions
13,874 Points
1 Answer
PLUS

Michael Williams
Courses Plus Student 8,059 Points
problems with enumerations course

Posted October 26, 2017 5:29pm by Michael Williams

Michael Williams
Courses Plus Student 8,059 Points
1 Answer
josh hahn
5,926 Points
I have no idea what I am doing wrong here

Posted October 22, 2017 8:16pm by josh hahn

josh hahn
5,926 Points
1 Answer
Eris Ramirez
5,916 Points
" Make sure that the initializer returns a valid instance given a valid dictionary "what this means?

Posted October 18, 2017 8:00pm by Eris Ramirez

Eris Ramirez
5,916 Points
3 Answers
Aryaman Dhingra
3,536 Points
How to unwrap optionals in initializers?

Posted September 29, 2017 10:21am by Aryaman Dhingra

Aryaman Dhingra
3,536 Points
1 Answer
Aryaman Dhingra
3,536 Points
How to get optional values from nested dictionaries?

Posted September 29, 2017 8:39am by Aryaman Dhingra

Aryaman Dhingra
3,536 Points
2 Answers
manoj Singireddy
1,762 Points
let movieDictionary = ["Spectre": ["cast": ["Daniel Craig", "Christoph Waltz", "Léa Seydoux", "Ralph Fiennes", "Monica B

Posted September 15, 2017 1:35am by manoj Singireddy

manoj Singireddy
1,762 Points
1 Answer
Pino Gatto
2,463 Points
Options task Help

Posted September 11, 2017 5:56pm by Pino Gatto

Pino Gatto
2,463 Points
2 Answers
Anthia Tillbury
3,388 Points
Using guard statement on nested dictionary?

Posted September 10, 2017 4:09pm by Anthia Tillbury

Anthia Tillbury
3,388 Points
4 Answers
Jordan Ward
2,395 Points
Hey guys, this seems so easy, not sure whats going on, any help would be great!

Posted August 30, 2017 2:46am by Jordan Ward

Jordan Ward
2,395 Points
1 Answer
Lahiru Premasinghe
1,388 Points
Declare a value in Optional

Posted August 20, 2017 5:52am by Lahiru Premasinghe

Lahiru Premasinghe
1,388 Points
2 Answers
Shade Wilson
9,002 Points
Getting "Bummer! Your code could not be compiled" even though the code is compiling. What am I doing wrong here?

Posted August 15, 2017 9:24pm by Shade Wilson

Shade Wilson
9,002 Points
1 Answer
PLUS

Chase Maddox
Courses Plus Student 5,461 Points
Assigning a New Value to a Global Variable from an Optional Chain

Posted August 15, 2017 2:47pm by Chase Maddox

Chase Maddox
Courses Plus Student 5,461 Points
1 Answer
PLUS

Unsubscribed User
Courses Plus Student 2,233 Points
Hello

Posted August 3, 2017 10:35pm by Unsubscribed User

Unsubscribed User
Courses Plus Student 2,233 Points
1 Answer
Andrew Lundy
13,269 Points
When I use 'Book' it's returning nil and I believe it should be returning something else

Posted July 26, 2017 12:42am by Andrew Lundy

Andrew Lundy
13,269 Points
1 Answer
Lana Wong
3,968 Points
Can you use dictionary keys when you have not created a value?

Posted July 25, 2017 7:25am by Lana Wong

Lana Wong
3,968 Points
2 Answers
Maxence Roy
8,753 Points
Need help with Optionals Challenge

Posted July 24, 2017 5:56pm by Maxence Roy

Maxence Roy
8,753 Points
2 Answers
Maxence Roy
8,753 Points
Value does not get assigned

Posted July 23, 2017 5:03pm by Maxence Roy

Maxence Roy
8,753 Points
2 Answers
Lana Wong
3,968 Points
How do I create a failable init? How do you initialize stored properties and return nil?

Posted July 23, 2017 4:13am by Lana Wong

Lana Wong
3,968 Points
1 Answer
Chigozie Ofodike
11,197 Points
I am stuck and perplexed

Posted July 20, 2017 6:41pm by Chigozie Ofodike

Chigozie Ofodike
11,197 Points
1 Answer
Chigozie Ofodike
11,197 Points
Issa optional binding problem.

Posted July 20, 2017 2:26pm by Chigozie Ofodike

Chigozie Ofodike
11,197 Points
3 Answers
Lana Wong
3,968 Points
What is wrong with my If/let statement in dealing with this dictionary?

Posted July 16, 2017 5:16pm by Lana Wong

Lana Wong
3,968 Points
1 Answer
Cian Brennan
1,573 Points
Why is the function accepting a dictionary?

Posted July 7, 2017 3:27pm by Cian Brennan

Cian Brennan
1,573 Points
1 Answer

Prev Page 2 of 4 Next

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.