kb100824

// Since the WKWebView has no sizeToFit() method, increase the frame height of the webView to 
// match the height of the content's scrollHeight
// 
// The WKWebView's `navigationDelegate` property needs to be set for the delegate method to be called

func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {

    if webView.isLoading == false {
        webView.evaluateJavaScript("document.body.scrollHeight", completionHandler: { [weak self] (result, error) in
            if let height = result as? CGFloat {

kb100824

func getBrightnessValue(from sampleBuffer: CMSampleBuffer) -> Float {
  guard
      let metadataDict = CMCopyDictionaryOfAttachments(nil, sampleBuffer, kCMAttachmentMode_ShouldPropagate) as? [String: Any],
      let exifMetadata = metadataDict[String(kCGImagePropertyExifDictionary)] as? [String: Any],
      let brightnessValue = exifMetadata[String(kCGImagePropertyExifBrightnessValue)] as? Float
      else { return 0.0 }

  return brightnessValue
}

kb100824

/*
 * Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
 * This product includes software developed at Datadog (https://www.datadoghq.com/).
 * Copyright 2019-2020 Datadog, Inc.
 */

import Foundation

public extension URLSession {
    internal typealias RequestInterceptor = HookedSession.RequestInterceptor

kb100824

import Foundation

extension CustomUrlProtocolRequestInterceptor: RequestInterceptor {
  public func startRecording() {
    URLProtocol.registerClass(CustormUrlProtocol.self)
    swizzleProtocolClasses()
  }

  public func stopRecording() {
    URLProtocol.unregisterClass(CustormUrlProtocol.self)

kb100824

OVERVIEW: Swift compiler

USAGE: swiftc [options] <inputs>

MODES:
  -dump-ast              Parse and type-check input file(s) and dump AST(s)
  -dump-parse            Parse input file(s) and dump AST(s)
  -dump-scope-maps <expanded-or-list-of-line:column>
                         Parse and type-check input file(s) and dump the scope map(s)
  -dump-type-refinement-contexts

kb100824

public extension UIDevice {
    
    enum DeviceModelName: String {
        
        case undefined
        case iPodTouch5
        case iPodTouch6
        case iPhone4
        case iPhone4s
        case iPhone5

kb100824

import UIKit

class CodeTextField: UITextField, UITextFieldDelegate {

    let codeLength: Int
    var characterSize: CGSize
    var characterSpacing: CGFloat
    let textPreprocess: (String) -> String
    let validCharacterSet: CharacterSet

kb100824

//
//  SRCopyableLabel.swift
//
//  Created by Stephen Radford on 08/09/2015.
//  Copyright (c) 2015 Cocoon Development Ltd. All rights reserved.
//

import UIKit

class SRCopyableLabel: UILabel {

kb100824

如何创建公钥

1. 首先启动一个Git Bash窗口（非Windows用户直接打开终端）

2. 执行：

   cd ~/.ssh

   如果返回“… No such file or directory”，说明没有生成过SSH Key，直接进入第4步。否则进入第3步备份!

kb100824

'use strict';
import React, {
  AppRegistry,
  Component,
  StyleSheet,
  Text,
  View,
  TouchableOpacity,
  LayoutAnimation,
} from 'react-native';