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Leandro Proença

Programmer • I occasionally write blog posts in both English and Brazilian Portuguese.

Location Brazil Joined Joined on  github website twitter website

Education

BSc, Information Systems

Work

Software Developer

Seven Year Club
Top 7
3
Writing Debut
Six Year Club
Git
4 Week Community Wellness Streak
Kubernetes
Docker
Five Year Club
2 Week Community Wellness Streak
1 Week Community Wellness Streak
Ruby
Arrays em Assembly x86

Arrays em Assembly x86

52
Comments
19 min read

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Construindo um web server em Assembly x86, the grand finale, multi-threading

Construindo um web server em Assembly x86, the grand finale, multi-threading

80
Comments 1
29 min read
Construindo um web server em Assembly x86, parte V, finalmente o server

Construindo um web server em Assembly x86, parte V, finalmente o server

54
Comments 3
18 min read
Construindo um web server em Assembly x86, parte IV, um assembly modesto

Construindo um web server em Assembly x86, parte IV, um assembly modesto

37
Comments 5
45 min read
Construindo um web server em Assembly x86, parte III, código de máquina

Construindo um web server em Assembly x86, parte III, código de máquina

51
Comments 8
20 min read
Construindo um web server em Assembly x86, parte II, história e arquitetura

Construindo um web server em Assembly x86, parte II, história e arquitetura

78
Comments 4
11 min read
Superficial, básico e avançado

Superficial, básico e avançado

61
Comments 5
6 min read
Building a dead simple background job in Rust

Building a dead simple background job in Rust

27
Comments 1
5 min read
Understanding the basics of Smart Pointers in Rust

Understanding the basics of Smart Pointers in Rust

35
Comments
14 min read
Compiladores, trampolim, deque e thread pool

Compiladores, trampolim, deque e thread pool

59
Comments 6
10 min read
Rust, Go, Rinha e I/O

Rust, Go, Rinha e I/O

39
Comments 10
9 min read
Entendendo fundamentos de recursão

Entendendo fundamentos de recursão

64
Comments 5
7 min read
Vencendo os números de ponto flutuante: um guia de sobrevivência

Vencendo os números de ponto flutuante: um guia de sobrevivência

35
Comments
14 min read
Winning at floating-point issues: a survival guide

Winning at floating-point issues: a survival guide

8
Comments 2
11 min read
[pt-BR] Fundamentos do Git, um guia completo

[pt-BR] Fundamentos do Git, um guia completo

175
Comments 3
18 min read
AI & Ruby: an introduction to neural networks

AI & Ruby: an introduction to neural networks

41
Comments 9
12 min read
Kubernetes 101, part VIII, networking fundamentals

Kubernetes 101, part VIII, networking fundamentals

74
Comments 5
11 min read
Kubernetes 101, part VII, jobs and cronjobs

Kubernetes 101, part VII, jobs and cronjobs

22
Comments 2
3 min read
A comprehensive introduction to Ruby

A comprehensive introduction to Ruby

30
Comments 7
11 min read
Kubernetes 101, part VI, daemonsets

Kubernetes 101, part VI, daemonsets

26
Comments 1
4 min read
Kubernetes 101, part V, statefulsets

Kubernetes 101, part V, statefulsets

25
Comments
7 min read
SQL JOIN explained

SQL JOIN explained

74
Comments 4
13 min read
Kubernetes 101, part IV, deployments

Kubernetes 101, part IV, deployments

55
Comments 4
5 min read
Kubernetes 101, part III, controllers and self-healing

Kubernetes 101, part III, controllers and self-healing

63
Comments 3
4 min read
Kubernetes 101, part II, pods

Kubernetes 101, part II, pods

88
Comments 2
5 min read
Tekton CI/CD, the grand finale, interceptors

Tekton CI/CD, the grand finale, interceptors

5
Comments
7 min read
Tekton CI/CD, part IV, continuous delivery

Tekton CI/CD, part IV, continuous delivery

3
Comments
6 min read
Tekton CI, part III, listen to Github events

Tekton CI, part III, listen to Github events

4
Comments
7 min read
Tekton CI, part II, sharing information

Tekton CI, part II, sharing information

6
Comments
5 min read
Tekton CI, part I, a gentle introduction

Tekton CI, part I, a gentle introduction

18
Comments
4 min read
CI/CD in a nutshell

CI/CD in a nutshell

22
Comments 3
4 min read
Seu dinheiro não é infinito

Seu dinheiro não é infinito

37
Comments 9
3 min read
Liderança começa com confiança: minha trajetória

Liderança começa com confiança: minha trajetória

40
Comments 8
7 min read
Thinking like containers

Thinking like containers

40
Comments 1
6 min read
Simulating OOP in Bash

Simulating OOP in Bash

75
Comments 9
6 min read
Building a Web server in Bash, the grand finale

Building a Web server in Bash, the grand finale

28
Comments 1
4 min read
Building a Web server in Bash, part III - Login

Building a Web server in Bash, part III - Login

23
Comments 12
7 min read
Building a Web server in Bash, part II - parsing HTTP

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

45
Comments 2
5 min read
Building a Web server in Bash, part I - sockets

Building a Web server in Bash, part I - sockets

157
Comments 7
6 min read
Inter-process communication: pipes

Inter-process communication: pipes

22
Comments 2
2 min read
Inter-process communication: files

Inter-process communication: files

16
Comments 2
5 min read
A brief history of modern computers, multitasking and operating systems

A brief history of modern computers, multitasking and operating systems

47
Comments 4
7 min read
Métricas cAdvisor no Kubernetes com Prometheus e Grafana

Métricas cAdvisor no Kubernetes com Prometheus e Grafana

15
Comments 2
7 min read
Prometheus on Kubernetes 101

Prometheus on Kubernetes 101

13
Comments 3
4 min read
Mastering the Docker networking

Mastering the Docker networking

144
Comments 9
5 min read
Implementando um simples background job com UNIX named pipes

Implementando um simples background job com UNIX named pipes

23
Comments
3 min read
Entendendo UNIX pipes

Entendendo UNIX pipes

36
Comments
3 min read
Resolvendo problema de performance no PostgreSQL com CTE

Resolvendo problema de performance no PostgreSQL com CTE

72
Comments 6
4 min read
A very simple GraphQL tutorial in Ruby

A very simple GraphQL tutorial in Ruby

16
Comments 1
3 min read
Mastering Docker Volumes

Mastering Docker Volumes

94
Comments
5 min read
How to reduce the time complexity of nested loops

How to reduce the time complexity of nested loops

183
Comments 5
4 min read
A powerful full-text search in PostgreSQL in less than 20 lines

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

92
Comments 6
9 min read
A CRUD journey in Haskell, part II, Socket programming

A CRUD journey in Haskell, part II, Socket programming

23
Comments
4 min read
A CRUD journey in Haskell, part I, introduction

A CRUD journey in Haskell, part I, introduction

7
Comments
5 min read
Using Docker in development the right way

Using Docker in development the right way

98
Comments 12
5 min read
Web basics: sending HTML, CSS and Javascript content through HTTP

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

33
Comments
5 min read
Web basics: a simple HTTP Server in Ruby

Web basics: a simple HTTP Server in Ruby

11
Comments
4 min read
Web basics: a TCP Server in Ruby

Web basics: a TCP Server in Ruby

28
Comments
3 min read
Boilerplate for a containerized plain Ruby application

Boilerplate for a containerized plain Ruby application

10
Comments
3 min read
Quicksort, a Ruby implementation using Test-driven development

Quicksort, a Ruby implementation using Test-driven development

17
Comments
7 min read
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