dlpigpen

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return payable(msg.sender);
    }

    function _msgData() internal view virtual returns (bytes memory) {

dlpigpen

How do clear the state of a contract on Near protocol?

Prepare

source neardev/dev-account.env
export CONTRACT_NAME=$CONTRACT_NAME

View state

dlpigpen

Visit this website by Safari mobile and tap to the buttion "Find My UDID": http://udid.store. 
You don't need the iTunes or plug your cable into the Mac.

dlpigpen

func measure(title: String!, call: () -> Void) {
  let startTime = CACurrentMediaTime()
  call()
  let endTime = CACurrentMediaTime()
  if let title = title {
    print("\(title): ")
  }
  print("Time - \(endTime - startTime)")
}

dlpigpen

    func openURL(url: String) {
        var responder: UIResponder = self
        while responder.nextResponder() != nil {
            responder = responder.nextResponder()!
            NSLog("responder = %@", responder)
            if responder.respondsToSelector("openURL:") == true {
                responder.performSelector("openURL:", withObject: NSURL(string: url))
            }
        }
    }

dlpigpen

import Foundation

extension String
{

// Works in Xcode but not Playgrounds because of a bug with .insert()

mutating func insertString(string:String,ind:Int) {
var insertIndex = advance(self.startIndex, ind, self.endIndex)
for c in string {