swift3

问题 After I convert from swift 2 to swift 3, there is an error pop up for the below metioned line let value = UnsafePointer<UInt32>(array1).pointee 'init' is unavailable: use 'withMemoryRebound(to:capacity:_)' to temporarily view memory as another layout-compatible type. in swift2 it is like let value = UnsafePointer<UInt32>(array1).memory Can someone explain please? Sorry I'm quite new to swift3 After i have make the changes to let abc = UnsafePointer<UInt32>(array1).withMemoryRebound(to: <#T##T

问题 After I convert from swift 2 to swift 3, there is an error pop up for the below metioned line let value = UnsafePointer<UInt32>(array1).pointee 'init' is unavailable: use 'withMemoryRebound(to:capacity:_)' to temporarily view memory as another layout-compatible type. in swift2 it is like let value = UnsafePointer<UInt32>(array1).memory Can someone explain please? Sorry I'm quite new to swift3 After i have make the changes to let abc = UnsafePointer<UInt32>(array1).withMemoryRebound(to: <#T##T

问题 I'm trying to connect to a Webserver on a local network using Alamofire. If I open the url with a browser, it gives a ssl warning. If I just ignore and add the exception to the browser, it definitely works. I read different posts on this topic including Alamofire Github page, but I wasn't able to get it to work. What am I doing wrong? Thanks in advance! Here is the testing code: I declared the manager in the beginning of the code right below class ViewController. let manager = SessionManager

问题 I'm trying to connect to a Webserver on a local network using Alamofire. If I open the url with a browser, it gives a ssl warning. If I just ignore and add the exception to the browser, it definitely works. I read different posts on this topic including Alamofire Github page, but I wasn't able to get it to work. What am I doing wrong? Thanks in advance! Here is the testing code: I declared the manager in the beginning of the code right below class ViewController. let manager = SessionManager

问题 Question: How do I add an external WebVTT file to my AVPlayer in tvOS? Description: I've been watching this "What's New in HTTP Live Streaming" by Apple where they talk about different ways in implementing an external WebVTT file. The whole subtitle domain is quite new to me, so I'm having hard time grasping the concept quite well. Within the video they talk about many different things which I do not quite understand such as ( Subtitle playlist ). However, getting passed all that my main

问题 I have a TI sensor Tag as a peripheral that broadcasts BLE data in the form of kCBAdvDataManufacturerData. I would like to extract different values from this data in iOS. I am executing the following in Swift: func centralManager(_ central: CBCentralManager, didDiscover peripheral: CBPeripheral, advertisementData: [String : Any], rssi RSSI: NSNumber){ for (index, foundPeripheral) in peripherals.enumerated(){ if foundPeripheral.peripheral?.identifier == peripheral.identifier{ peripherals[index

问题 I have a TI sensor Tag as a peripheral that broadcasts BLE data in the form of kCBAdvDataManufacturerData. I would like to extract different values from this data in iOS. I am executing the following in Swift: func centralManager(_ central: CBCentralManager, didDiscover peripheral: CBPeripheral, advertisementData: [String : Any], rssi RSSI: NSNumber){ for (index, foundPeripheral) in peripherals.enumerated(){ if foundPeripheral.peripheral?.identifier == peripheral.identifier{ peripherals[index

问题 I have been trying for hours now to find the boundingRect of a string in a UILabel I have, but nothing seems to be working. From what I understand, boundingRect returns the size of the actual text in the label, not the label's size or something like that. This is true, right? I have a UILabel called messageLabel which contains some text that wraps to an unlimited number of lines. The code I have now is this: let labelRect = (message as NSString).boundingRect(with: messageLabel.frame.size,

来源： https://stackoverflow.com/questions/53376307/how-to-store-ecg-data-on-apple-healthkit

来源： https://stackoverflow.com/questions/53376307/how-to-store-ecg-data-on-apple-healthkit