53 questions
import Foundationfunc stdWeight(hegihtCm height:Double, #bmi:Double) - > Double { return power(height/100.0,2)*bmi}let height = 180.0let w1 = stdWeight (hegihtCm:height, bmi:22.0)print(The standard...
Hello I'm sorry to ask you something I can't do, but I'm having trouble because I don't know how to implement the protocol.I would appreciate it if someone could reply.For reasons such as containerVie...
How do you generate fetch conditions for Float values?The condition setting for the Ingteger value yielded the expected result, but the condition setting for the Float value did not yield the expected...
While creating a table view that displays the date and cell check items in the section, the tableData definition displays the error Cannot use instance member'checkListItem1' with in property initiali...
I would like to create and obtain software for MacOSX by using Swift in Xcode for the hostname, IP address, and MAC address of the communication device that exists on the same LAN, such as arp-a at th...
I'm getting JSON from my API server and trying to log it.let json:NSDictionary=try JSONSerialization.jsonObject(with:data!,options:.allowFragments)as!NSDictionary in the sectionThe data couldn't be re...
The following encryption and decryption methods are compatible with swift3.It now crashes when converting the return value to String.swift 2.2 func AES 128 Crypt(data:NSData, keyData:NSData, operation...
For example, the number timeInterval=124.04521142 is 02:04.04 I'd like to have a String type value of Perhaps because I don't understand the format very well, I can see that it's a bit redundant even ...
Currently, we are unable to read the FIREBASE data on the actual machine.(I can read it on the simulator, but I think I still need to do a lot of research.)I just need to read the data, so I would lik...
I would like to create an application to change the date, but I get an error (signal SIGABRT) in the code below.I'm sorry to trouble you, but could you give me some advice?import UIKitclassViewControl...
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