williamhqs

class CreateStudent < ActiveRecord::Migration
  def change
    create_table :users do |t|
      t.string  :name
      t.integer :age
    end
  end
end

williamhqs

//: Playground - noun: a place where people can play

import UIKit

func swap<T>(inout value1: T, inout value2: T) {
    let temporary = value1
    value1 = value2
    value2 = temporary
}

williamhqs

/**
 * Arrayadapter (for Android) with text filtering for the use with a TextWatcher.
 * Note: the objects in the List need a valid toString() method.
 * @author Tobias Schürg
 * 
 */


public class FilteredArrayAdapter extends ArrayAdapter<ImageObject> {

williamhqs

enum ChineseRange {
    case notFound, contain, all
}

extension String {
    var findChineseCharacters: ChineseRange {
        guard let a = self.range(of: "\\p{Han}*\\p{Han}", options: .regularExpression) else {
            return .notFound
        }
        var result: ChineseRange

williamhqs

View Layer Architecture

In a viewController usually there are many methods. In order make this part organized well. Here are the rules:

// MARK: - Life cycle

williamhqs

https://rink.hockeyapp.net/apps/aab3358c393742e2b1223c144755743a/app_versions/2166

williamhqs

#!/bin/sh

UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/${CONFIGURATION}-universal

# make sure the output directory exists
mkdir -p "${UNIVERSAL_OUTPUTFOLDER}"

# Step 1. Build Device and Simulator versions
xcodebuild -target "${PROJECT_NAME}" ONLY_ACTIVE_ARCH=NO -configuration ${CONFIGURATION} -sdk iphoneos  BUILD_DIR="${BUILD_DIR}" BUILD_ROOT="${BUILD_ROOT}" clean build
xcodebuild -target "${PROJECT_NAME}" -configuration ${CONFIGURATION} -sdk iphonesimulator ONLY_ACTIVE_ARCH=NO BUILD_DIR="${BUILD_DIR}" BUILD_ROOT="${BUILD_ROOT}" clean build

williamhqs

set -e

REVEAL_ARCHIVE_IN_FINDER=true
FRAMEWORK_NAME="${PROJECT_NAME}"

SIMULATOR_LIBRARY_PATH="${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${FRAMEWORK_NAME}.framework"

DEVICE_LIBRARY_PATH="${BUILD_DIR}/${CONFIGURATION}-iphoneos/${FRAMEWORK_NAME}.framework"

UNIVERSAL_LIBRARY_DIR="${BUILD_DIR}/${CONFIGURATION}-iphoneuniversal"

williamhqs

extension Date {
    
    func yearsCount(from date: Date) -> Int {
        return Calendar.current.dateComponents([.year], from: date, to: self).year ?? 0
    }
    
    func monthsCount(from date: Date) -> Int {
        return Calendar.current.dateComponents([.month], from: date, to: self).month ?? 0
    }

williamhqs

class GradientLineView: UIView {
    
    override func draw(_ rect: CGRect) {
        if let context = UIGraphicsGetCurrentContext() {
            let startPoint1 = CGPoint(x: 20, y: rect.height/2)
            let endPoint1 = CGPoint(x: rect.width-120, y: rect.height/2)
            context.setLineWidth(15)
            context.move(to: startPoint1)
            context.addLine(to: endPoint1)
            context.setLineCap(.round)