guinslym

## Credits to John Lieske - https://www.ansible.com/blog/getting-started-writing-your-first-playbook
---
- name: Install nginx
  hosts: host.name.ip
  become: true

  tasks:
  - name: Add epel-release repo
    yum:
      name: epel-release

guinslym

# Author: Noche, Kaiseir Josephus B.

import numpy as np
import cv2

### DEFINED FUNCTIONS ################################

def mousecall(event,x,y,flags,param):
    if event == cv2.EVENT_LBUTTONDBLCLK:
        zoomin(x,y)

guinslym

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

guinslym

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

guinslym

import 'package:flutter/material.dart';

void main() => runApp(App());

class App extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Login Example',

guinslym

# *****************************************************************************
# UPDATED VERSION AVAILABLE HERE:
# https://github.com/LeCoupa/awesome-cheatsheets/blob/master/tools/nanobox_cli.sh
# *****************************************************************************


# *****************************************************************************
# LOCAL ENVIRONMENT
# *****************************************************************************

guinslym

#!/usr/bin/python
import mechanize 
import itertools

br = mechanize.Browser()
br.set_handle_equiv(True)
br.set_handle_redirect(True)
br.set_handle_referer(True)
br.set_handle_robots(False)

guinslym

# uninstall postgresql if necessary
$ sudo pacman -R postgresql postgresql-libs

# remove postgres files
$ sudo rm -rfv /var/lib/postgres

# proceed with the installation
$ sudo pacman -S postgresql postgresql-libs
# setup password for postgres
$ sudo passwd postgres

guinslym

Things to do after installing Antergos Arch Linux

Table of Content

• Update
• Problema con "Failed to Start Setup Virtual Console" (Se da al no existir teclado latam, la-latin1 es el equivalente (mismo))
• ZSH how default terminal and Install Oh My ZSH

guinslym

# -*- coding: utf-8 -*-
from django.http.response import HttpResponseForbidden

class AuthorRequiredMixin(object):
    def dispatch(self, request, *args, **kwargs):
        obj = self.get_object()

        if obj.user != self.request.user:
            return HttpResponseForbidden()