Leandro Proença

Software Developer

Brazil Joined on Aug 8, 2017 https://leandronsp.com

Education

BSc, Information Systems

Work

Software Developer

Pinned

Leandro Proença

Jul 12

A brief history of modern computers, multitasking and operating systems

#unix #linux #operatingsystems #threads

36 2

7 min read

Leandro Proença

Jul 5

Mastering the Docker networking

#docker #linux #nginx

294 9

5 min read

Leandro Proença

Dec 4 '21

How to reduce the time complexity of nested loops

#programming #ruby #algorithms

146 3

4 min read

Leandro Proença

Sep 16 '21

A powerful full-text search in PostgreSQL in less than 20 lines

#postgres

67 5

9 min read

Leandro Proença

Jun 29 '21

Using Docker in development the right way

#docker #containers

172 8

5 min read

Leandro Proença

Aug 9

Thinking like containers

#docker #linux

43 1

6 min read

Simulating OOP in Bash

your words mean a lot, thanks!

Aug 10

Simulating OOP in Bash

very interesting, thanks for sharing!

Aug 7

Simulating OOP in Bash

Indeed, after all it's all about abstractions. We developers ...

Aug 7

Building a Web server in Bash, part I - sockets

Good question, unfortunately AFAIK the verbose in macOS for n...

Aug 4

Follow Friday: Linux Edition (22 July 2022)

really appreciate the shoutout!

Jul 22

Mastering the Docker networking

I'm not aware of the internals but I guess that the default b...

Jul 13

A brief history of modern computers, multitasking and operating systems

Thanks for the feedback Chris! Indeed, it's great seeing how ...

Jul 12

Simulating OOP in Bash

#oop #bash #linux

54 9

6 min read

Leandro Proença

Aug 1

Building a Web server in Bash, the grand finale

#webdev #html #css #javasccript

4 min read

Leandro Proença

Aug 1

Building a Web server in Bash, part III - Login

#webdev #linux #html #shellscript

7 min read

Leandro Proença

Aug 1

Building a Web server in Bash, part II - parsing HTTP

#webdev #http #linux #shellscript

24 1

5 min read

Leandro Proença

Aug 1

Building a Web server in Bash, part I - sockets

#webdev #http #linux #shellscript

278 5

6 min read

Leandro Proença

Jul 14

Inter-process communication: pipes

#unix #linux

2 min read

Leandro Proença

Jul 13

Inter-process communication: files

#unix #linux

5 min read

Leandro Proença

Jul 6

Métricas cAdvisor no Kubernetes com Prometheus e Grafana

#kubernetes #prometheus #grafana

7 min read

Leandro Proença

Jul 6

Prometheus on Kubernetes 101

#prometheus #kubernetes #docker

12 2

4 min read

Leandro Proença

Jun 15

Implementando um simples background job com UNIX named pipes

#unix #linux #pipes

3 min read

Leandro Proença

Jun 15

Entendendo UNIX pipes

#unix #linux #pipe

3 min read

Leandro Proença

Jun 13

Resolvendo problema de performance no PostgreSQL com CTE

#sql #postgres #cte

38 6

4 min read

Leandro Proença

Mar 3

A very simple GraphQL tutorial in Ruby

#ruby #graphql

16 1

3 min read

Leandro Proença

Feb 5

Mastering Docker Volumes

#docker #containers #linux

5 min read

Leandro Proença

Aug 10 '21

A CRUD journey in Haskell, part II, Socket programming

#haskell #networking #tcp #ruby

4 min read

Leandro Proença

Aug 3 '21

A CRUD journey in Haskell, part I, introduction

#haskell #programming #functional

5 min read

Leandro Proença

May 9 '21

Web basics: sending HTML, CSS and Javascript content through HTTP

#ruby #html #css #javascript

5 min read

Leandro Proença

May 3 '21

Web basics: a simple HTTP Server in Ruby

#ruby #tdd #http

4 min read

Leandro Proença

Apr 30 '21

Web basics: a TCP Server in Ruby

#ruby #tcp #http #programming

3 min read

Leandro Proença

Apr 28 '21

Boilerplate for a containerized plain Ruby application

#ruby #tdd #docker #makefile

3 min read

Leandro Proença

Apr 16 '21

Quicksort, a Ruby implementation using Test-driven development

#ruby #quicksort #algorithms #tdd

7 min read

Leandro Proença

Apr 14 '21

Deploy to Kubernetes using Github Actions (including Slack notification)

#github #aws #eks #kubernetes

28 8

4 min read

Leandro Proença

Apr 10 '21

Ruby blocks made easy, part III ~grand finale~, blocks and syntactic sugar

#ruby #programming #softwaredevelopment

5 min read

Leandro Proença

Apr 10 '21

Ruby blocks made easy, part II, curry and procs as arguments

#ruby #programming #softwaredevelopment

3 min read

Leandro Proença

Apr 10 '21

Ruby blocks made easy, part I, methods and procs

#ruby #programming #softwaredevelopment

4 min read

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