K-Kevin

返回日期数列里与目标数列最近的日期下标

const getNearestDateIndex = (targetDate, dates) => {
    if (!targetDate || !dates) {
        throw new Error('Argument(s) is illegal !')
    }
    if (!dates.length) {
        return -1
 }

K-Kevin

##dispatch_benchmark-Monkey
GCD 之 dispatch_benchmark 测量指定代码块执行时间

#import <Foundation/Foundation.h>

// 声明GCD中dispatch_benchmark函数原型
extern uint64_t dispatch_benchmark(size_t count, void (^block)(void));

int main(int argc, const char * argv[]) {
    @autoreleasepool {

K-Kevin

private let defaultTopType: String = "application"
private let defaultSubType: String = "octet-stream"


/// Represents a media type, consisting of a top-level type and a subtype.
/// May also possess parameters which adjust or qualify the media type.
/// MimeType parameters are not parsed or processed but are provided as-is as a String
public struct MimeType: ExpressibleByStringLiteral, CustomStringConvertible, Comparable {
    /// Required for StringLiteralConvertible
    public typealias StringLiteralType = String

K-Kevin

extension UIImage {
    
    /// 图片压缩
    ///
    /// - Parameters:
    ///   - maxFileSize: 压缩后的最大容量，单位 MB
    ///   - compression: 初始压缩值，默认为 1
    /// - Returns:
    func mcCompress(maxFileSize: Int, compression: CGFloat = 1.0) -> Data? {
        

K-Kevin

func requestWith(endUrl: String, imageData: Data?, parameters: [String : Any], onCompletion: ((JSON?) -> Void)? = nil, onError: ((Error?) -> Void)? = nil){
    
    let url = "http://google.com" /* your API url */
    
    let headers: HTTPHeaders = [
        /* "Authorization": "your_access_token",  in case you need authorization header */
        "Content-type": "multipart/form-data"
    ]
    
    Alamofire.upload(multipartFormData: { (multipartFormData) in

K-Kevin

import UIKit

extension UIColor {
    convenience init(red: Int, green: Int, blue: Int) {
        assert(red >= 0 && red <= 255, "Invalid red component")
        assert(green >= 0 && green <= 255, "Invalid green component")
        assert(blue >= 0 && blue <= 255, "Invalid blue component")
        
        self.init(red: CGFloat(red) / 255.0, green: CGFloat(green) / 255.0, blue: CGFloat(blue) / 255.0, alpha: 1.0)
    }

K-Kevin

import UIKit
import Photos
import AVFoundation
import MediaCenterSDK
import Kingfisher
import NVActivityIndicatorView
import ObjectMapper

class ViewController: UIViewController, UINavigationControllerDelegate, UIImagePickerControllerDelegate, NVActivityIndicatorViewable {