Treehouse | Community | Review: Concurrency and Closures

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Patrick Wood
1,547 Points
Concurrency Quiz, the quotes in this question seem odd.

Posted November 2, 2014 4:49am by Patrick Wood

Patrick Wood
1,547 Points
0 Answers
Brian Cavanaugh
3,797 Points
Works with Alcatraz coordinates, but when I change to my hometown coordinates, I get error

Posted November 1, 2014 7:04pm by Brian Cavanaugh

Brian Cavanaugh
3,797 Points
0 Answers
Tingting Gu
10,760 Points
The Grand Central Dispatch in Teacher's Notes can not be found.

Posted October 30, 2014 1:40pm by Tingting Gu

Tingting Gu
10,760 Points
2 Answers
Emayciekay Mack
1,476 Points
println(repsonse) is Nil. How to get NSData(contentsOfURL : forecastURL!) to work

Posted October 29, 2014 12:56am by Emayciekay Mack

Emayciekay Mack
1,476 Points
3 Answers
Emayciekay Mack
1,476 Points
Nil returned when using NSData(contentsOfURL : forecastURL!)

Posted October 29, 2014 12:38am by Emayciekay Mack

Emayciekay Mack
1,476 Points
2 Answers
Grace Copplestone
3,779 Points
Add a ! to forecastURL

Posted October 28, 2014 10:46pm by Grace Copplestone

Grace Copplestone
3,779 Points
5 Answers
Suyu Ren
526 Points
I keep on getting error with my code: let downloadTask: NSURLSessionDownloadTask = shareSession.downloadTaskWith

Posted October 28, 2014 9:56pm by Suyu Ren

Suyu Ren
526 Points
3 Answers
Mark El-Lamaa
1,634 Points
What is meant by 'session object' and 'completion handler', does the instructor even define these?

Posted October 28, 2014 9:06pm by Mark El-Lamaa

Mark El-Lamaa
1,634 Points
1 Answer
Mark El-Lamaa
1,634 Points
why do we use closures in a cocoa touch framework like said in 1:52 in the concurrency in swift video

Posted October 28, 2014 12:55pm by Mark El-Lamaa

Mark El-Lamaa
1,634 Points
1 Answer
Stephen Gehring
11,203 Points
I notice you use let more then var in these tutorials. It seems like var would be better? Is it better to use let?

Posted October 26, 2014 5:51pm by Stephen Gehring

Stephen Gehring
11,203 Points
2 Answers
Stephen Gehring
11,203 Points
stringWithContentsOfURL(_:encoding:error) is unavailable: use object construction 'NSString(contentsOfURL:encoding:error

Posted October 26, 2014 12:58am by Stephen Gehring

Stephen Gehring
11,203 Points
2 Answers
Friedemann Wachsmuth
1,231 Points
Rushing through Closures in 2:59 -- really?

Posted October 25, 2014 7:27pm by Friedemann Wachsmuth

Friedemann Wachsmuth
1,231 Points
7 Answers
Raunak Mohanty
1,326 Points
How do I know when to call a method via Class and when to use instance of the class in documentation ?

Posted October 22, 2014 8:45pm by Raunak Mohanty

Raunak Mohanty
1,326 Points
1 Answer
PLUS

M T
Courses Plus Student 1,587 Points
Value of optional type NSURL? not unwrapped - Swift weather app issue

Posted October 22, 2014 12:51pm by M T

M T
Courses Plus Student 1,587 Points
3 Answers
Joakim Wimmerstedt
1,482 Points
Why haven't this been updated for xCode 6.1?

Posted October 22, 2014 9:55am by Joakim Wimmerstedt

Joakim Wimmerstedt
1,482 Points
0 Answers
Andrew Lee
1,391 Points
Value of optional type 'NSURL?' not unwrapped, did you mean to use '!' or '?'?

Posted October 22, 2014 2:05am by Andrew Lee

Andrew Lee
1,391 Points
0 Answers
Sebastian Röder
13,878 Points
Which types of errors will be catched by `error == nil`?

Posted October 21, 2014 3:45pm by Sebastian Röder

Sebastian Röder
13,878 Points
1 Answer
elmoreshaw
1,882 Points
Not getting any response

Posted October 20, 2014 8:57pm by elmoreshaw

elmoreshaw
1,882 Points
3 Answers
Asim Zaidi
2,222 Points
Error in sharedSession singleton closure

Posted October 19, 2014 10:40pm by Asim Zaidi

Asim Zaidi
2,222 Points
2 Answers
Taylor Smith
iOS Development Techdegree Graduate 14,153 Points
Pasan moves to fast in swift courses!

Posted October 17, 2014 10:54pm by Taylor Smith

Taylor Smith
iOS Development Techdegree Graduate 14,153 Points
10 Answers
Johannes Böhm
5,957 Points
way to hard

Posted October 15, 2014 7:53pm by Johannes Böhm

Johannes Böhm
5,957 Points
1 Answer
Richard Stephenson
37,091 Points
shouldn't the term "thread" be in quotes here?

Posted October 6, 2014 4:45pm by Richard Stephenson

Richard Stephenson
37,091 Points
0 Answers
Alphonse Yang
7,830 Points
dot notation method

Posted October 4, 2014 6:54pm by Alphonse Yang

Alphonse Yang
7,830 Points
1 Answer
Kevin Zoltany
16,282 Points
Need help with Working with JSON code challenge

Posted October 4, 2014 2:45am by Kevin Zoltany

Kevin Zoltany
16,282 Points
2 Answers
George Rodriguez
1,681 Points
value of optional type 'NSURL?' not unwrapped, did you mean to use '!' or '?'

Posted October 3, 2014 8:36pm by George Rodriguez

George Rodriguez
1,681 Points
2 Answers
Ilya Feynberg
2,567 Points
Not able to get the data from the API

Posted October 1, 2014 6:11pm by Ilya Feynberg

Ilya Feynberg
2,567 Points
1 Answer
Kevin Zoltany
16,282 Points
Need help with working with JSON code challenge

Posted September 29, 2014 5:04am by Kevin Zoltany

Kevin Zoltany
16,282 Points
1 Answer
Andre Guerra
2,799 Points
Documentation displayed in Xcode for NSURLSession doesn't include the Swift declaration.

Posted September 28, 2014 5:20pm by Andre Guerra

Andre Guerra
2,799 Points
1 Answer
Matthew Duff
6,427 Points
Concurrency and Forecast API Request Connection Lost

Posted September 23, 2014 2:31pm by Matthew Duff

Matthew Duff
6,427 Points
4 Answers

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