I have a dictionary in Swift as follows:
[
0: “82” ,
1: “12”,
2: “3”,
3: “42”
// Etc.
] And suppose I want to swap the keys to the values 82 and 3, so the new dictionary looks like th
Tag: SWIFT
Swift protocol with associated type (type lookup is not clear)
I need to create a generic function in the protocol and use the default implementation in the extension. It should use item as an enumeration: RawRepresentable, where RawValue == String always. I t
SWIFT – formula for selecting each pixel in the bitmap
I’m looking for an algorithm, I’m currently programming fast but pseudo code or any similar “C series” syntax will work.
Imagine A large list of values, such as pixels in a bitmap. You want t
SWIFT – Reuse Safety Bookmarks
In my application, I want to access a local file directory with bookmarks of the security range.
As described in the App Sandbox Design Guide, I set the user-specified folder (NSOpenPanel) is stor
SWIFT – Compare NSDATE
I want to compare two NSDates, but each date is displayed as “earlier” today. Any ideas?
let compareResult = self.todaysDate.compare(self.date)
if compareResult == NSComparisonResult.OrderedD
Why is my Haskell code like SWIFT and C?
This is a very simple Haskell code to find all Pythagorean integers from 1 to 200 that satisfy the Pythagorean theorem X ^ 2 = Y ^ 2 Z ^ 2
Haskell:
let l = [1..200]
let pythagoras = [x
SWIFT – UICOLLECTIONVIEW SCROLLTOITEMATINDEXPATH, not loaded before the animation is completed before the visible cell
I have a UICollectionView with 142 cells. I can see 7.5 at any time.
I am moving a cell from indexPath 0 To 100.
But I also want to scroll to that new position.
The code below works fin
Why convert the right operator and Java in SWIFT to get the difference result
I am trying to convert my code from java to swift, but when using the Int type to execute the shift right operator, I get 2 diffrence results.
// java
int d = 25;
int x = d >> 1 + 1;
Sy
SWIFT – iOS – UICOLLECTIONVIEW – When you insert multiple projects, how can you pick one of them, but not at the same time?
If you have a collection view and you change items by inserting several, the default layout will fade them out at the same time. Is it possible to fade them one by one?
I’m thinking about sub
SWIFT: Traversing an array element and accessing the previous and next elements
In Swift, I want to loop an array and compare each element with the previous and/or next element. For each comparison, I will generate a new element or something Don’t do it either. Is there such a