I just upgraded my mac to 10.10 and Xcode to 6.1,
I found a strange thing about storyboards, My situation is using a swift project, and I can no longer connect to the custom protocol delegati
Tag: SWIFT
SWIFT – Check if it is zero, forcibly open the options for security
I have a network method that returns a completion closure and takes Error as a parameter.
I usually avoid forced unpacking, but in this In this case, I use a guard statement to check if the e
Use Date Int Swift to get the last day of the year?
I want to get the Lass day of the year, I need to change over time, so if I use this feature in 2018, I will get December 31, 2018 The last day, but if I use this function now it should give me Dec
SWIFT – Increases the simpler method of adding data points in Firebase?
I have trouble adding a piece of data to Firebase.
Firebase {
clickedCounter: 0< br />} This is my code:
@IBAction func plus(sender: UIButton) {
FIRDatabase.database() .reference().ch
SWIFT – How to use registerDefaults ()
I searched everywhere and couldn’t find an explanation of how to use registerDefaults(). Every post asking how to set default values was answered by “use registerDefaults()”, one I encountered Th
SWIFT ARKIT
Reference
https://www.jianshu.com/p/348678918783
Privacy permission
https://www.cnblogs.com/shisishao/p/5872178.html
import UIKit
import ARKit
struct Masks: OptionSet {
SWIFT 4.2 imagePickerController problem
Trying to pass the chat client from swift 4 to swift 4.2 and using the selector I found trouble.
UIImagePickerControllerEditedImage //Unable to use index type as “UIImagePickerController.Info
How to get the beginning and end of this week in SWIFT?
See the answer in English> How do I find the beginning of the week from an NSDate? 4 four
> How to get the current Monday’s date of the week in wift How to get the start and end of the week in swif
Print the variable memory address in SWIFT
Is there anyway to simulate the [NSString stringWithFormat:@”%p”,myVar] code with the new swift language?
For example:
let str = “A String”
println(” str value \(str) has address:? “)
SWIFT: Nested options in a single Guard statement
I tried to protect the conversion from string to Float to Int:
guard let v = Int (Float(” x”)) else {
return -1
} The swift 3 compiler complains:
value of optional type’Float?’ not unw