Big company has lots of ObjC code

class Person: NSObject {

var _name: String

init(name: String){

_name = name


function setName(name:String){

_name = name



run in playground



@interface Person …

Big company has lots of ObjC code

Swfit -> ObjC


var name:String = Mario


/## ObjC

@interface ViewController ()

@property (nonatomic, strong) NSString* userName;


@implementation ViewController



make a model

php artisan make:model ModelNamecomposer dump-autoload

And Start test

php artisan tinker
>>> ModelName::all()
>>> ModelName::where('id','>',3)->get()

MySQL DB make Table

use Illuminate\Support\Facades\DB;

  1. getData from DB

Within Function


$data = DB::table(‘table_name’)-> getData();


2. make a table


php artisan make:migration create_AAAAAs

Set your Column


Basic move

Show all Route

>php artisan route:list
  • > ps.
protected $namespace = 'App\Http\Controllers';

New a controller

>php artisan make::controller NewController --resource
  • (resource including CRUD)

9. Palindrome Number

Given an integer x, return true if x is palindrome integer.

An integer is a palindrome when it reads the same backward as forward. For example, 121 is palindrome while 123 is not.

Example 1:

Input: x = 121
Output: true

Example 2:

Input: x = -121

209. Minimum Size Subarray Sum

Given an array of positive integers nums and a positive integer target, return the minimal length of a contiguous subarray [numsl, numsl+1, ..., numsr-1, numsr] of which the sum is greater than or equal to target. If there is no such subarray, return 0 instead.

Mario tsai

Major in physical education. Football referee. And high interest in looking the world through the numbers.

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