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Joalbert Andrés González joalbertg

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@joalbertg
joalbertg / README.md
Created September 6, 2020 20:50
ruby: Strategy Pattern

Strategy Pattern

Strategy::V1::HTMLFormatter
 
<html>
  <head>
    <title>Monthly Report</title>
@joalbertg
joalbertg / README.md
Created August 24, 2020 20:22
ruby: entrada y salida estándar

Ruby STDIN/STDOUT

cat in.txt | ruby stdin_stdout.rb > out.txt
ruby stdin_stdout.rb < in.txt > out.txt
@joalbertg
joalbertg / greatest-sequence.js
Last active July 21, 2020 21:48
javascript: Greatest Sequence
/*
* In the following 6 digit number:
* 283910
* 91 is the greatest sequence of 2 consecutive digits.
*
* In the following 10 digit number:
* 1234567890
* 67890 is the greatest sequence of 5 consecutive digits.
*
* Complete the solution so that it returns the greatest sequence
@joalbertg
joalbertg / calendar-messages-es.js
Created July 9, 2020 05:40 — forked from Klerith/calendar-messages-es.js
Big-Calendar - mensajes en español
export const messages = {
allDay: 'Todo el día',
previous: '<',
next: '>',
today: 'Hoy',
month: 'Mes',
week: 'Semana',
day: 'Día',
agenda: 'Agenda',
date: 'Fecha',
@joalbertg
joalbertg / closures.js
Created June 20, 2020 05:31
javascript: closures
// 1-basic
console.log('++++++++++++++++++++++++++++++++++++++++++++++++++');
const count = (() => {
let currentValue = 0;
return () => currentValue += 1;
})();
console.log('count:', count()); //1
console.log('count:', count()); //2
console.log('count:', count()); //3
@joalbertg
joalbertg / composition.js
Created June 18, 2020 15:25
javascript: composition
const capitalize = str => (
str.replace(/\w\S*/g, txt =>
txt.charAt(0)
.toUpperCase() + txt.substr(1).toLowerCase())
);
const users = [{
id: 1, name: 'joalbert', surname: 'gonzález'
}];
@joalbertg
joalbertg / array-to-hash-for-search.js
Created June 2, 2020 13:59
javascript: array to hash for search
// array to hash for search
const users = [];
const products = [];
const elem = 10;
const keyBy = (arr, key) => arr.reduce((acc, el) => {
//console.log('acc', acc);
//console.log('acc[el]', el);
//console.log('acc[el[key]]', el[key]);
@joalbertg
joalbertg / README.md
Created May 23, 2020 18:26
markdown: languages supported

Languages Supported Markdown

Link linguist

Link article

  • actionscript3
  • apache
@joalbertg
joalbertg / proc_case.rb
Created May 22, 2020 16:46
ruby: Proc with case
# https://womanonrails.com/functional-programming-ruby
proc1 = Proc.new { |number| number % 3 == 0 }
proc2 = Proc.new { |number| number % 3 == 1 }
case 3
when proc1 then p 'proc1'
when proc2 then p 'proc2'
else
p 'not a proc'
end
@joalbertg
joalbertg / Dockerfile
Created April 29, 2020 19:42
docker: alphine-python3
# By: https://github.com/Docker-Hub-frolvlad
FROM alpine:3.11
# This hack is widely applied to avoid python printing issues in docker containers.
# See: https://github.com/Docker-Hub-frolvlad/docker-alpine-python3/pull/13
ENV PYTHONUNBUFFERED=1
RUN echo "**** install Python ****" && \
apk add --no-cache python3 && \