namnv609

#Action Controller Overview

##0. Mass Assignment

1. Mass assignment allows us to set a bunch of attributes at once:

   attrs = {	:first => "John", :last => "Doe", 
   			:email => "john.doe@example.com"}
   user = User.new(attrs)

namnv609

error_page 500 /500.html;
location /500.html{
    return 500 '{"error": {"status_code": 500,"status": "Internal Server Error"}}';
}

error_page 502 /502.html;
location /502.html{
    return 502 '{"error": {"status_code": 502,"status": "Bad Gateway"}}';
}

namnv609

sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install gcc-5 g++-5

sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-5 60 --slave /usr/bin/g++ g++ /usr/bin/g++-5

namnv609

{
  "content_scripts": [
    {
      "matches": ["http://*/*", "https://*/*"],
      "js": ["inject.js"],
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "content.js"

namnv609

DigitalOcean Ubuntu 14.04 x64 + Rails 4 + Nginx + Unicorn + PostgreSQL + Capistrano 3

Create a Droplet

SSH into Root

$ ssh root@123.123.123.123

Change Root Password

namnv609

-- Error Message: Row size too large (> 8126). Changing some columns to TEXT or BLOB or using ROW_FORMAT=DYNAMIC or ROW_FORMAT=COMPRESSED may help. In current row format, BLOB prefix of 768 bytes is stored inline.
--
-- our table name that has this issue is XYZ
--
SET GLOBAL innodb_file_format=Barracuda;
SET GLOBAL innodb_file_per_table=ON;
ALTER TABLE XYZ ROW_FORMAT=COMPRESSED;

namnv609

<?php
class ResumeDownload {
    private $file;
    private $name;
    private $boundary;
    private $delay = 0;
    private $size = 0;

    function __construct($file, $delay = 0) {
        if (! is_file($file)) {

namnv609

======= Prolbem =================================================================================================================
I have installed : ruby-2.0.0,postgres-9.2 , now in rails app when I execute:

      rake db:create , command I get:

PG::InvalidParameterValue: ERROR:  new encoding (UTF8) is incompatible with the encoding of the template database (SQL_ASCII)
HINT:  Use the same encoding as in the template database, or use template0 as template.
: CREATE DATABASE "my_db_name" ENCODING = 'unicode'.......

      bin/rake:16:in `load'

namnv609

#!/bin/sh
### BEGIN INIT INFO
# Provides:          <SCRIPT_NAME>
# Required-Start:    $local_fs $network $named $time $syslog
# Required-Stop:     $local_fs $network $named $time $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Description:       Script to run asp.net 5 application in background
### END INIT INFO

namnv609

var runner = require('child_process');

runner.exec(
  'php -r \'include("settings.php"); print json_encode($databases);\'', 
  function (err, stdout, stderr) {
    var connection = JSON.parse(stdout).default.default;
    
    console.log(connection.database);
    // result botdb
  }