israeljrs

# db/migrate/20101004063749_create_photos.rb

class CreatePhotos < ActiveRecord::Migration
  def self.up
    create_table :photos do |t|
      t.string :name,         :null => false
      t.binary :data,         :null => false
      t.string :filename
      t.string :mime_type
      t.timestamps

israeljrs

http://stackoverflow.com/questions/22667401/postgres-json-data-type-rails-query
http://stackoverflow.com/questions/40702813/query-on-postgres-json-array-field-in-rails

#payload: [{"kind"=>"person"}]
Segment.where("payload @> ?", [{kind: "person"}].to_json)

#data: {"interest"=>["music", "movies", "programming"]}
Segment.where("data @> ?",  {"interest": ["music", "movies", "programming"]}.to_json)
Segment.where("data #>> '{interest, 1}' = 'movies' ")
Segment.where("jsonb_array_length(data->'interest') > 1")

israeljrs

#include <stdio.h>
#include <stdlib.h>

//Estrutura base do nó.
struct node
{
    int nData;
    struct node *pLink;
};
 

israeljrs

import { Component, OnInit } from '@angular/core';

import { WebRequestService } from '../services/web-request.service';

@Component({
  selector: 'app-home-page',
  templateUrl: './home-page.component.html',
  styleUrls: ['./home-page.component.scss']
})
export class HomePageComponent implements OnInit {

israeljrs

import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';

import { Observable } from 'rxjs';
import { timeout } from 'rxjs/operators';

@Injectable({
  providedIn: 'root'
})
export class WebRequestService {

israeljrs

<div class="container">
  <div class="row mt-2">
    <div class="col">
      <div class="jumbotron">
        <h3 class="text-center">{{msg}}</h3>
      </div>
    </div>
  </div>
  <div class="row">
    <div class="col text-center">

israeljrs

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
import { HomePageComponent } from './home-page/home-page.component';

const routes: Routes = [
  { path: '', component: HomePageComponent },
  { path: '**', redirectTo: '' }
];

@NgModule({

israeljrs

/*
 * Convert from OpenCV image and write movie with FFmpeg
 *
 * Copyright (c) 2016 yohhoy
 */
#include <iostream>
#include <vector>
// FFmpeg
extern "C" {
#include <libavformat/avformat.h>

israeljrs

1. Show all images docker images

2. Show all running containers docker ps

3. Show all running and stopped containers docker ps -a

4. Run an container

israeljrs

Rails.application.config.generators do |g|
  g.orm :active_record, primary_key_type: :uuid
end