Categorías

Estuvimos en DeveloperOS Madrid 2017

Event bubbling in C#

Windows apps development best practices

Polymorphic test setup with template method

Object references, state and side effects

Using C# Collections

Polymorphic Equality

¿Necesitas programar un servicio para Windows? Prueba Topshelf

Utilizando Exceptionless para monitorizar logs y excepciones

C# Async/Await and Task Parallel Library

Cómo crear Appx para Sideloading desde Integración Continua

Mocking (stubbing) async calls (async/await)

Refactoring with AI: Lessons in Introducing a Decorator Pattern

Convirtiendo tests no paramétricos en paramétricos con la IA (e intentando generar ejemplos)

Using prompt patterns to enhance how you learn about prompt patterns

Testeando una integración con SNS

Testeando una integración con S3

Entrevistas para la Agile Alliance

Usando Combinaciones de ApprovalsJs en WebStorm

Usando conjuntamente ApprovalsJs y StrykerJS en WebStorm

Integrando ApprovalsJS con WebStorm

Atributos de calidad e historias de usuario en Agile Sur

Sleeping is not the best option

Notes on LSP from Agile Principles, Practices and Patterns book

Notes on OCP from Agile Principles, Practices and Patterns book

Notes on SRP from Agile Principles, Practices and Patterns book

Recorriendo poco a poco el libro "Understanding the 4 rules of simple design"

The curious case of the negative builder

In a small piece of code

Refactoring tests using builder functions in Clojure/ClojureScript

Remove data structures noise from your tests with builders

Event bubbling in C#

Windows apps development best practices

Polymorphic test setup with template method

Object references, state and side effects

Using C# Collections

Polymorphic Equality

¿Necesitas programar un servicio para Windows? Prueba Topshelf

C# Async/Await and Task Parallel Library

Mocking (stubbing) async calls (async/await)

Caring Work and where to find it: concerns mechanism

Entrevistas para la Agile Alliance

The value of caring

CAS 2018: Una vida descubriendo Agile

Charla Pyday Tenerife

Charla Valores y principios en el diseño del software en CAS17

Charla Discusiones y decisiones: herramientas para la efectividad en CAS17

Estuvimos en Women Tech Makers Madrid

Estuvimos en DeveloperOS Madrid 2017

Charla sobre sequence comprehensions en Clojure

Estuvimos en Test Academy

Charla sobre distinguir entre problema y solución en la CAS2016

Charla sobre el camino del aprendizaje en la CAS2016

Charla sobre funciones en Clojure

Charla sobre Comunidades de Necesidad vs Comunidades de Soluciones en la CAS2016

Charla sobre connascence en SCBCN 2016

Charla sobre destructuring en Clojure

Notes on LSP from Agile Principles, Practices and Patterns book

Notes on OCP from Agile Principles, Practices and Patterns book

Notes on SRP from Agile Principles, Practices and Patterns book

Comentarios en el código

¿Null, vacío o exception?

Claves primarias: inmutabilidad y generación

Object references, state and side effects

Using C# Collections

Remove data structures noise from your tests with builders

Polymorphic Equality

Playing Fizzbuzz with property-based testing

Our experience at ClojureBridge Bilbao 2018

Avoid using subscriptions only as app-state getters

Giving new life to existing Om legacy SPAs with re-om

Improving legacy Om code (II): Using effects and coeffects to isolate effectful code from pure code

Improving legacy Om code (I): Adding a test harness

A small spying and stubbing library for Clojure and ClojureScript: test-doubles

A small kata to explore and play with property-based testing

Kata: Generating bingo cards with clojure.spec, clojure/test.check, RDD and TDD

Native/Browser SPA versions using ClojureScript and re-frame talk at SCBCN17

Testing Om components with cljs-react-test

Charla sobre sequence comprehensions en Clojure

Charla sobre funciones en Clojure

Charla sobre destructuring en Clojure

Using effects in re-frame

Using coeffects in re-frame

Refactoring tests using builder functions in Clojure/ClojureScript

Caring Work and where to find it: concerns mechanism

The value of caring

A code review is not like watching a football match

XP Team Building

Removing commented-out code

A case of Shotgun Surgery

An example of wrong port design detection and refinement

Using code smells to refactor to more OO code (an example with temporary field, solution sprawl and feature envy)

"Split or condition in if" refactoring in TypeScript

On code smells catalogues and taxonomies

Eliminando código comentado

"Split or condition in if" refactoring

Simplifying jest stubs using jest-when

De taxonomías y catálogos de code smells

Un caso de Shotgun Surgery

Data clumps, primitive obsession and hidden tuples

In a small piece of code

Two examples of Connascence of Position

¿Null, vacío o exception?

About Connascence

An example of introducing symmetry to enable duplication removal

Refactoring tests using builder functions in Clojure/ClojureScript

Remove data structures noise from your tests with builders

¡Habemus podcast!

¡Bienvenido a Codesai, Rubén!

Eventos como la Software Crafters Barcelona 2018

Cursos en abierto en Canarias

Gradiant, mi primer Curso de TDD

Somos cooperativa

Back at Merkle in 2018

Socrates Canaries 2018

Muchas gracias Luis

Muchas gracias Carlos

We were at Lambda World 2017

Native/Browser SPA versions using ClojureScript and re-frame talk at SCBCN17

Software Craftsmanship Barcelona 2017

Flejesai 2017 Edición de Otoño

Dácil Casanova se une a Codesai

Manuel J. Tordesillas joins Codesai

Estuvimos en Women Tech Makers Madrid

Estuvimos en DeveloperOS Madrid 2017

Charla sobre sequence comprehensions en Clojure

Estuvimos en Test Academy

Podemos ser tu equipo

Charla sobre distinguir entre problema y solución en la CAS2016

Charla sobre el camino del aprendizaje en la CAS2016

Charla sobre funciones en Clojure

Charla sobre Comunidades de Necesidad vs Comunidades de Soluciones en la CAS2016

Charla sobre connascence en SCBCN 2016

Charla sobre destructuring en Clojure

Inolvidable CAS2016 Vitoria-Gasteiz

Así viví Codemotion 2016

Segundo Flejesai de 2016

Damos la bienvenida a Manuel Rivero

Estuvimos en la Software Craftsmanship BCN 2016

Muchas gracias Modesto

Estuvimos en la Tarugoconf

Antonio de la Torre se une a Codesai

Estuvimos en AOS2k16

Nos asociamos con Kairós DS

Estuvimos en Pamplona Software Craftsmanship 2016

Lanzamos Codesai con mucha ilusión

A code review is not like watching a football match

The Crazy Portfolio kata, a short kata to practice breaking dependencies, testing and refactoring legacy code

The Beverages Prices Refactoring kata: a kata to practice refactoring away from an awful application of inheritance.

Our experience at ClojureBridge Bilbao 2018

Charla Pyday Tenerife

Eventos como la Software Crafters Barcelona 2018

Socrates Canaries 2018

A small kata to explore and play with property-based testing

Charla Discusiones y decisiones: herramientas para la efectividad en CAS17

We were at Lambda World 2017

Software Craftsmanship Barcelona 2017

Eventazo Startupero en Zaragoza, ahí estuvimos.

Estuvimos en Women Tech Makers Madrid

Estuvimos en DeveloperOS Madrid 2017

Charla sobre sequence comprehensions en Clojure

Charla sobre distinguir entre problema y solución en la CAS2016

Charla sobre el camino del aprendizaje en la CAS2016

Charla sobre funciones en Clojure

Charla sobre Comunidades de Necesidad vs Comunidades de Soluciones en la CAS2016

Charla sobre connascence en SCBCN 2016

Charla sobre destructuring en Clojure

Inolvidable CAS2016 Vitoria-Gasteiz

Así viví Codemotion 2016

Estuvimos en la Software Craftsmanship BCN 2016

Estuvimos en la Tarugoconf

Estuvimos en AOS2k16

Estuvimos en Pamplona Software Craftsmanship 2016

The Ohce kata, a short and simple exercise to practice outside-in TDD using test doubles

Caring Work and where to find it: concerns mechanism

CAS 2018: Una vida descubriendo Agile

Sleeping is not the best option

Data clumps, primitive obsession and hidden tuples

In a small piece of code

Two examples of Connascence of Position

About Connascence

Charla sobre connascence en SCBCN 2016

Me vuelvo a Subversion!

Huyendo de las ramas

Me vuelvo a Subversion!

Example of role tests in JavaScript with Jest

Example of role tests in Java with Junit

Role tests for implementation of interfaces discovered through TDD

Polymorphic test setup with template method

Caring Work and where to find it: concerns mechanism

The value of caring

Restringiendo interfaces II: Modelando apariencias

Restringiendo interfaces

Entrevistas para la Agile Alliance

Recapitulando nuestra experiencia con Connectsai

Claves primarias: inmutabilidad y generación

An example of wrong port design detection and refinement

Classifying dependency-breaking techniques

Removing commented-out code

A case of Shotgun Surgery

Eliminando código comentado

Un caso de Shotgun Surgery

Refactoring with AI: Lessons in Introducing a Decorator Pattern

Composing responsibilities to reduce coupling and improve tests' maintainability

A simple example of the temporary field code smell

Segregating a test builder applying the curiously recurring template pattern

Using code smells to refactor to more OO code (an example with temporary field, solution sprawl and feature envy)

Example of role tests in JavaScript with Jest

Example of role tests in Java with Junit

Restringiendo interfaces II: Modelando apariencias

Solving the Beverages Prices Refactoring kata (2): limiting the options on the menu

Solving the Beverages Prices Refactoring kata (1): composition over inheritance

El valor de escribir el test primero

An example of listening to the tests to improve a design

The curious case of the negative builder

¿Null, vacío o exception?

An example of introducing symmetry to enable duplication removal

Refactoring tests using builder functions in Clojure/ClojureScript

Polymorphic test setup with template method

Las ventajas de usar parámetros y variables tipados en PowerShell

Switch parameters en PowerShell

Cuidado que ($a -eq $a) no siempre es $true

La importancia del Set-StrictMode

Interrumpir la ejecución cuando Import-Module no encuentra el módulo

Utilizando Exceptionless para monitorizar logs y excepciones

Cómo crear Appx para Sideloading desde Integración Continua

Testeando una integración con SNS

Testeando una integración con S3

Funny Docker Workshop to learn from scratch

ES6 en React y resolviendo el binding del this

ES6 + browserify + babel + gulp + jasmine

Giving new life to existing Om legacy SPAs with re-om

Improving legacy Om code (II): Using effects and coeffects to isolate effectful code from pure code

Improving legacy Om code (I): Adding a test harness

Native/Browser SPA versions using ClojureScript and re-frame talk at SCBCN17

Using effects in re-frame

Using coeffects in re-frame

Entrevistas para la Agile Alliance

Experiencia en la Pamplona Software Crafters 2025

Experiencia en el AOS Tenerife 2024

Recapitulando nuestra experiencia con Connectsai

Our experience at ClojureBridge Bilbao 2018

Charla Pyday Tenerife

Eventos como la Software Crafters Barcelona 2018

Socrates Canaries 2018

Charla Valores y principios en el diseño del software en CAS17

Charla Discusiones y decisiones: herramientas para la efectividad en CAS17

We were at Lambda World 2017

Native/Browser SPA versions using ClojureScript and re-frame talk at SCBCN17

Software Craftsmanship Barcelona 2017

Eventazo Startupero en Zaragoza, ahí estuvimos.

Estuvimos en Women Tech Makers Madrid

Estuvimos en DeveloperOS Madrid 2017

Estuvimos en Test Academy

Charla sobre distinguir entre problema y solución en la CAS2016

Charla sobre el camino del aprendizaje en la CAS2016

Charla sobre Comunidades de Necesidad vs Comunidades de Soluciones en la CAS2016

Charla sobre connascence en SCBCN 2016

Inolvidable CAS2016 Vitoria-Gasteiz

Así viví Codemotion 2016

Segundo Flejesai de 2016

Estuvimos en la Software Craftsmanship BCN 2016

Estuvimos en la Tarugoconf

Estuvimos en AOS2k16

Estuvimos en Pamplona Software Craftsmanship 2016

Flejesai 2017 Edición de Otoño

Our experience at ClojureBridge Bilbao 2018

Kata: Generating bingo cards with clojure.spec, clojure/test.check, RDD and TDD

We were at Lambda World 2017

Charla sobre sequence comprehensions en Clojure

Charla sobre funciones en Clojure

Charla sobre destructuring en Clojure

Using effects in re-frame

Using coeffects in re-frame

Refactorizando Try - Catch usando Javaslang

Refactorizando con Streams

Using effects in re-frame

Using coeffects in re-frame

Segregating a test builder applying the curiously recurring template pattern

Me vuelvo a Subversion!

Restringiendo interfaces II: Modelando apariencias

Restringiendo interfaces

Huyendo de las ramas

Me vuelvo a Subversion!

Funny Docker Workshop to learn from scratch

An example of introducing symmetry to enable duplication removal

Using C# Collections

Example of role tests in JavaScript with Jest

Example of role tests in Java with Junit

Sleeping is not the best option

Restringiendo interfaces II: Modelando apariencias

Restringiendo interfaces

Restringiendo interfaces II: Modelando apariencias

Restringiendo interfaces

Segregating a test builder applying the curiously recurring template pattern

Refactorizando Try - Catch usando Javaslang

Refactorizando con Streams

Simplifying jest stubs using jest-when

Killing mutants to improve your tests

Testing tricks for react-redux

Estuvimos en Velneo (VisualMS)

Types of actions in a Redux App

Testing strategies in Redux

Test-driving a Redux App

Dependency Injection in Redux

Getting started with React & Redux

ES6 en React y resolviendo el binding del this

Kata: object literal to query string

ES6 + browserify + babel + gulp + jasmine

Refactorizando Try - Catch usando Javaslang

An example of wrong port design detection and refinement

The Crazy Portfolio kata, a short kata to practice breaking dependencies, testing and refactoring legacy code

Solving the Beverages Prices Refactoring kata (2): limiting the options on the menu

Solving the Beverages Prices Refactoring kata (1): composition over inheritance

Playing Fizzbuzz with property-based testing

La kata Gilded Rose en PL/SQL: escribiendo los tests

The Beverages Prices Refactoring kata: a kata to practice refactoring away from an awful application of inheritance.

A small kata to explore and play with property-based testing

Kata: Generating bingo cards with clojure.spec, clojure/test.check, RDD and TDD

An example of introducing symmetry to enable duplication removal

Kata: object literal to query string

The Ohce kata, a short and simple exercise to practice outside-in TDD using test doubles

Restringiendo interfaces II: Modelando apariencias

Restringiendo interfaces

Experiencia en el AOS Tenerife 2024

Segregating a test builder applying the curiously recurring template pattern

Convirtiendo tests no paramétricos en paramétricos con la IA (e intentando generar ejemplos)

Using prompt patterns to enhance how you learn about prompt patterns

Classifying dependency-breaking techniques

The Crazy Portfolio kata, a short kata to practice breaking dependencies, testing and refactoring legacy code

On code smells catalogues and taxonomies

De taxonomías y catálogos de code smells

Example of role tests in JavaScript with Jest

Example of role tests in Java with Junit

Simple example of property-based testing

Listening to test smells: detecting lack of cohesion and violations of encapsulation

Role tests for implementation of interfaces discovered through TDD

Notes on LSP from Agile Principles, Practices and Patterns book

Notes on OCP from Agile Principles, Practices and Patterns book

Solving the Beverages Prices Refactoring kata (2): limiting the options on the menu

Solving the Beverages Prices Refactoring kata (1): composition over inheritance

Funny Docker Workshop to learn from scratch

Killing mutants to improve your tests

The Beverages Prices Refactoring kata: a kata to practice refactoring away from an awful application of inheritance.

A small kata to explore and play with property-based testing

Examples lists in TDD

Kata: Generating bingo cards with clojure.spec, clojure/test.check, RDD and TDD

Notes on SRP from Agile Principles, Practices and Patterns book

Charla sobre sequence comprehensions en Clojure

Charla sobre el camino del aprendizaje en la CAS2016

Charla sobre funciones en Clojure

ES6 en React y resolviendo el binding del this

An example of introducing symmetry to enable duplication removal

Charla sobre destructuring en Clojure

Using effects in re-frame

Using coeffects in re-frame

Refactoring tests using builder functions in Clojure/ClojureScript

Recorriendo poco a poco el libro "Understanding the 4 rules of simple design"

Kata: object literal to query string

The Ohce kata, a short and simple exercise to practice outside-in TDD using test doubles

Refactorizando Try - Catch usando Javaslang

Refactorizando con Streams

Usando Combinaciones de ApprovalsJs en WebStorm

¡"Isolated" test significa algo muy diferente para distintas personas!

Experiencia en la Pamplona Software Crafters 2025

Heuristics to determine unit boundaries: object peer stereotypes, detecting effects and FIRS-ness

Usando conjuntamente ApprovalsJs y StrykerJS en WebStorm

"Isolated" test means something very different to different people!

Integrando ApprovalsJS con WebStorm

Mutantes relevantes

Sprouting or wrapping?

An example of wrong port design detection and refinement

Relevant mutants

"Move seam to delegate" refactoring

Experiencia en el AOS Tenerife 2024

Classifying dependency-breaking techniques

The Crazy Portfolio kata, a short kata to practice breaking dependencies, testing and refactoring legacy code

The value of caring

Giving new life to existing Om legacy SPAs with re-om

Improving legacy Om code (II): Using effects and coeffects to isolate effectful code from pure code

Improving legacy Om code (I): Adding a test harness

Aterrizando en un proyecto con legado

Utilizando Exceptionless para monitorizar logs y excepciones

Caring Work and where to find it: concerns mechanism

The value of caring

A code review is not like watching a football match

Practising Mob Programming

Utilizando Exceptionless para monitorizar logs y excepciones

Relevant Mutants in a Flash

Usando conjuntamente ApprovalsJs y StrykerJS en WebStorm

Mutantes relevantes

Relevant mutants

Mutando para simplificar

Killing mutants to improve your tests

Restringiendo interfaces II: Modelando apariencias

Restringiendo interfaces

¡Habemus podcast!

¡Bienvenido a Codesai, Rubén!

Charla Pyday Tenerife

Eventos como la Software Crafters Barcelona 2018

Cursos en abierto en Canarias

Gradiant, mi primer Curso de TDD

Somos cooperativa

Back at Merkle in 2018

Socrates Canaries 2018

Muchas gracias Luis

Muchas gracias Carlos

Charla Valores y principios en el diseño del software en CAS17

Estuvimos en Cetelem

Charla Discusiones y decisiones: herramientas para la efectividad en CAS17

Tercer curso abierto de TDD del año en Barcelona

We were at Lambda World 2017

We were at Merkle

Native/Browser SPA versions using ClojureScript and re-frame talk at SCBCN17

Software Craftsmanship Barcelona 2017

Segundo curso abierto de TDD del año en Barcelona

Eventazo Startupero en Zaragoza, ahí estuvimos.

Dácil Casanova se une a Codesai

Manuel J. Tordesillas joins Codesai

Estuvimos en Velneo (VisualMS)

Estuvimos en Women Tech Makers Madrid

Estuvimos en Biosystems

Estuvimos en DeveloperOS Madrid 2017

Estuvimos en Test Academy

Impartimos un curso abierto de TDD en Barcelona

Estuvimos en Gradiant

Estuvimos en Ve Interactive

Inolvidable CAS2016 Vitoria-Gasteiz

Así viví Codemotion 2016

Segundo Flejesai de 2016

Damos la bienvenida a Manuel Rivero

Estuvimos en la Software Craftsmanship BCN 2016

Muchas gracias Modesto

Estuvimos en Habitissimo

Estuvimos en la Tarugoconf

Antonio de la Torre se une a Codesai

Estuvimos en AOS2k16

Nos asociamos con Kairós DS

Estuvimos en Pamplona Software Craftsmanship 2016

Estuvimos en Fon

Lanzamos Codesai con mucha ilusión

We visited Scytl

Refactoring with AI: Lessons in Introducing a Decorator Pattern

Composing responsibilities to reduce coupling and improve tests' maintainability

Bundling up to reduce coupling and complexity (peer detection techniques)

A simple example of the temporary field code smell

Refactoring the tests after a "Breaking Out" (peer detection techniques)

Breaking out to improve cohesion (peer detection techniques)

Heuristics to determine unit boundaries: object peer stereotypes, detecting effects and FIRS-ness

On code smells catalogues and taxonomies

De taxonomías y catálogos de code smells

Example of role tests in JavaScript with Jest

Example of role tests in Java with Junit

Listening to test smells: detecting lack of cohesion and violations of encapsulation

Role tests for implementation of interfaces discovered through TDD

Notes on LSP from Agile Principles, Practices and Patterns book

Notes on OCP from Agile Principles, Practices and Patterns book

Solving the Beverages Prices Refactoring kata (2): limiting the options on the menu

Solving the Beverages Prices Refactoring kata (1): composition over inheritance

El valor de escribir el test primero

An example of listening to the tests to improve a design

The Beverages Prices Refactoring kata: a kata to practice refactoring away from an awful application of inheritance.

Data clumps, primitive obsession and hidden tuples

In a small piece of code

Notes on SRP from Agile Principles, Practices and Patterns book

Two examples of Connascence of Position

¿Null, vacío o exception?

About Connascence

Charla sobre connascence en SCBCN 2016

Recorriendo poco a poco el libro "Understanding the 4 rules of simple design"

Object references, state and side effects

Polymorphic Equality

Avoid using subscriptions only as app-state getters

Giving new life to existing Om legacy SPAs with re-om

Improving legacy Om code (II): Using effects and coeffects to isolate effectful code from pure code

Improving legacy Om code (I): Adding a test harness

Testing Om components with cljs-react-test

Giving new life to existing Om legacy SPAs with re-om

A small spying and stubbing library for Clojure and ClojureScript: test-doubles

Testeando una integración con SNS

Sleeping is not the best option

An example of listening to the tests to improve a design

The curious case of the negative builder

La kata Gilded Rose en PL/SQL: escribiendo los tests

Pairing: don’t have to always agree on a plan

Productive Pair Programming

Parallel change example: simplifying some test builders

CAS 2018: Una vida descubriendo Agile

Example of role tests in JavaScript with Jest

Example of role tests in Java with Junit

Role tests for implementation of interfaces discovered through TDD

Las ventajas de usar parámetros y variables tipados en PowerShell

Switch parameters en PowerShell

Cuidado que ($a -eq $a) no siempre es $true

La importancia del Set-StrictMode

Interrumpir la ejecución cuando Import-Module no encuentra el módulo

Aterrizando en un proyecto con legado

Notes on LSP from Agile Principles, Practices and Patterns book

Notes on OCP from Agile Principles, Practices and Patterns book

Notes on SRP from Agile Principles, Practices and Patterns book

Comentarios en el código

Aterrizando en un proyecto con legado

¿Null, vacío o exception?

Nuestro flujo de decisión para refinar Historias de Usuario poco antes de empezar a desarrollarla

¿Tamaño y nivel de detalle adecuados para una historia de usuario?

SPIDR, criterios para dividir historias de usuario

Using prompt patterns to enhance how you learn about prompt patterns

Simple example of property-based testing

Playing Fizzbuzz with property-based testing

A small kata to explore and play with property-based testing

Kata: Generating bingo cards with clojure.spec, clojure/test.check, RDD and TDD

Atributos de calidad e historias de usuario en Agile Sur

Native/Browser SPA versions using ClojureScript and re-frame talk at SCBCN17

Testing Om components with cljs-react-test

Testing tricks for react-redux

Types of actions in a Redux App

Testing strategies in Redux

Test-driving a Redux App

Dependency Injection in Redux

Getting started with React & Redux

ES6 en React y resolviendo el binding del this

Testing tricks for react-redux

Types of actions in a Redux App

Testing strategies in Redux

Test-driving a Redux App

Dependency Injection in Redux

Getting started with React & Redux

Refactoring with AI: Lessons in Introducing a Decorator Pattern

Composing responsibilities to reduce coupling and improve tests' maintainability

A simple example of the temporary field code smell

Parallel change example: simplifying some test builders

An example of wrong port design detection and refinement

"Move seam to delegate" refactoring

The Crazy Portfolio kata, a short kata to practice breaking dependencies, testing and refactoring legacy code

Using code smells to refactor to more OO code (an example with temporary field, solution sprawl and feature envy)

"Split or condition in if" refactoring in TypeScript

On code smells catalogues and taxonomies

"Split or condition in if" refactoring

Simplifying jest stubs using jest-when

De taxonomías y catálogos de code smells

Listening to test smells: detecting lack of cohesion and violations of encapsulation

Restringiendo interfaces II: Modelando apariencias

Restringiendo interfaces

Solving the Beverages Prices Refactoring kata (2): limiting the options on the menu

Solving the Beverages Prices Refactoring kata (1): composition over inheritance

Sleeping is not the best option

El valor de escribir el test primero

La kata Gilded Rose en PL/SQL: escribiendo los tests

An example of listening to the tests to improve a design

The curious case of the negative builder

Giving new life to existing Om legacy SPAs with re-om

Data clumps, primitive obsession and hidden tuples

Improving legacy Om code (II): Using effects and coeffects to isolate effectful code from pure code

Improving legacy Om code (I): Adding a test harness

In a small piece of code

Two examples of Connascence of Position

About Connascence

An example of introducing symmetry to enable duplication removal

Refactoring tests using builder functions in Clojure/ClojureScript

Polymorphic test setup with template method

Refactorizando Try - Catch usando Javaslang

Refactorizando con Streams

Remove data structures noise from your tests with builders

XP Team Building

Example of role tests in JavaScript with Jest

Example of role tests in Java with Junit

Role tests for implementation of interfaces discovered through TDD

Polymorphic test setup with template method

Testeando una integración con S3

Testeando una integración con SNS

A case of Shotgun Surgery

Un caso de Shotgun Surgery

Restringiendo interfaces II: Modelando apariencias

Notes on LSP from Agile Principles, Practices and Patterns book

Notes on OCP from Agile Principles, Practices and Patterns book

Solving the Beverages Prices Refactoring kata (2): limiting the options on the menu

Solving the Beverages Prices Refactoring kata (1): composition over inheritance

Notes on SRP from Agile Principles, Practices and Patterns book

Socrates Canaries 2018

Eventos como la Software Crafters Barcelona 2018

Socrates Canaries 2018

Native/Browser SPA versions using ClojureScript and re-frame talk at SCBCN17

Software Craftsmanship Barcelona 2017

Caring Work and where to find it: concerns mechanism

Eventazo Startupero en Zaragoza, ahí estuvimos.

Avoid using subscriptions only as app-state getters

Giving new life to existing Om legacy SPAs with re-om

Native/Browser SPA versions using ClojureScript and re-frame talk at SCBCN17

Huyendo de las ramas

Me vuelvo a Subversion!

Composing responsibilities to reduce coupling and improve tests' maintainability

Bundling up to reduce coupling and complexity (peer detection techniques)

¡"Isolated" test significa algo muy diferente para distintas personas!

Refactoring the tests after a "Breaking Out" (peer detection techniques)

Breaking out to improve cohesion (peer detection techniques)

La clase no es la unidad en el estilo de TDD de Londres

Mejorar nuestros rojos

Heuristics to determine unit boundaries: object peer stereotypes, detecting effects and FIRS-ness

"Isolated" test means something very different to different people!

The class is not the unit in the London school style of TDD

Listening to test smells: detecting lack of cohesion and violations of encapsulation

Role tests for implementation of interfaces discovered through TDD

El valor de escribir el test primero

An example of listening to the tests to improve a design

The curious case of the negative builder

Cursos en abierto en Canarias

Gradiant, mi primer Curso de TDD

Back at Merkle in 2018

Improve your reds

A small kata to explore and play with property-based testing

Examples lists in TDD

Kata: Generating bingo cards with clojure.spec, clojure/test.check, RDD and TDD

Estuvimos en Cetelem

Tercer curso abierto de TDD del año en Barcelona

We were at Merkle

Segundo curso abierto de TDD del año en Barcelona

Test-driving a Redux App

Estuvimos en Biosystems

Impartimos un curso abierto de TDD en Barcelona

Estuvimos en Gradiant

Estuvimos en Ve Interactive

Estuvimos en Habitissimo

Lo que me aporta TDD

Recorriendo poco a poco el libro "Understanding the 4 rules of simple design"

Estuvimos en Fon

We visited Scytl

Remove data structures noise from your tests with builders

Polymorphic Equality

Mocking (stubbing) async calls (async/await)

Caring Work and where to find it: concerns mechanism

The value of caring

Composing responsibilities to reduce coupling and improve tests' maintainability

Bundling up to reduce coupling and complexity (peer detection techniques)

¡"Isolated" test significa algo muy diferente para distintas personas!

Refactoring the tests after a "Breaking Out" (peer detection techniques)

Breaking out to improve cohesion (peer detection techniques)

La clase no es la unidad en el estilo de TDD de Londres

Heuristics to determine unit boundaries: object peer stereotypes, detecting effects and FIRS-ness

"Isolated" test means something very different to different people!

The class is not the unit in the London school style of TDD

An example of wrong port design detection and refinement

Simplifying jest stubs using jest-when

Listening to test smells: detecting lack of cohesion and violations of encapsulation

Role tests for implementation of interfaces discovered through TDD

An example of listening to the tests to improve a design

A small spying and stubbing library for Clojure and ClojureScript: test-doubles

The Ohce kata, a short and simple exercise to practice outside-in TDD using test doubles

An example of wrong port design detection and refinement

Listening to test smells: detecting lack of cohesion and violations of encapsulation

An example of listening to the tests to improve a design

Relevant Mutants in a Flash

Usando Combinaciones de ApprovalsJs en WebStorm

Composing responsibilities to reduce coupling and improve tests' maintainability

Bundling up to reduce coupling and complexity (peer detection techniques)

¡"Isolated" test significa algo muy diferente para distintas personas!

Parallel change example: simplifying some test builders

Refactoring the tests after a "Breaking Out" (peer detection techniques)

Breaking out to improve cohesion (peer detection techniques)

La clase no es la unidad en el estilo de TDD de Londres

Segregating a test builder applying the curiously recurring template pattern

Convirtiendo tests no paramétricos en paramétricos con la IA (e intentando generar ejemplos)

Mejorar nuestros rojos

Heuristics to determine unit boundaries: object peer stereotypes, detecting effects and FIRS-ness

Usando conjuntamente ApprovalsJs y StrykerJS en WebStorm

"Isolated" test means something very different to different people!

Integrando ApprovalsJS con WebStorm

Mutantes relevantes

Sprouting or wrapping?

The class is not the unit in the London school style of TDD

A case of Shotgun Surgery

Relevant mutants

The Crazy Portfolio kata, a short kata to practice breaking dependencies, testing and refactoring legacy code

Simplifying jest stubs using jest-when

Un caso de Shotgun Surgery

Example of role tests in JavaScript with Jest

Example of role tests in Java with Junit

Simple example of property-based testing

Listening to test smells: detecting lack of cohesion and violations of encapsulation

Role tests for implementation of interfaces discovered through TDD

Mutando para simplificar

Recapitulando nuestra experiencia con Connectsai

Testeando una integración con SNS

Testeando una integración con S3

El valor de escribir el test primero

Playing Fizzbuzz with property-based testing

La kata Gilded Rose en PL/SQL: escribiendo los tests

An example of listening to the tests to improve a design

The curious case of the negative builder

Killing mutants to improve your tests

Improving legacy Om code (II): Using effects and coeffects to isolate effectful code from pure code

Improving legacy Om code (I): Adding a test harness

Improve your reds

A small spying and stubbing library for Clojure and ClojureScript: test-doubles

In a small piece of code

Testing Om components with cljs-react-test

Testing tricks for react-redux

Testing strategies in Redux

Test-driving a Redux App

Using effects in re-frame

Using coeffects in re-frame

Refactoring tests using builder functions in Clojure/ClojureScript

Polymorphic test setup with template method

Remove data structures noise from your tests with builders

Polymorphic Equality

Mocking (stubbing) async calls (async/await)

Cursos en abierto en Canarias

Gradiant, mi primer Curso de TDD

Back at Merkle in 2018

Estuvimos en Cetelem

Tercer curso abierto de TDD del año en Barcelona

We were at Merkle

Segundo curso abierto de TDD del año en Barcelona

Estuvimos en Velneo (VisualMS)

Estuvimos en Biosystems

Impartimos un curso abierto de TDD en Barcelona

Estuvimos en Gradiant

Estuvimos en Ve Interactive

Estuvimos en Habitissimo

Estuvimos en Fon

We visited Scytl

Huyendo de las ramas

Me vuelvo a Subversion!

Using code smells to refactor to more OO code (an example with temporary field, solution sprawl and feature envy)

"Split or condition in if" refactoring in TypeScript

Restringiendo interfaces II: Modelando apariencias

Restringiendo interfaces

Nuestro flujo de decisión para refinar Historias de Usuario poco antes de empezar a desarrollarla

Experiencia en la Pamplona Software Crafters 2025

¿Tamaño y nivel de detalle adecuados para una historia de usuario?

Atributos de calidad e historias de usuario en Agile Sur

Experiencia en el AOS Tenerife 2024

SPIDR, criterios para dividir historias de usuario

Windows apps development best practices

Funny Docker Workshop to learn from scratch

Experiencia en el AOS Tenerife 2024

Huyendo de las ramas

Entrevistas para la Agile Alliance

Recapitulando nuestra experiencia con Connectsai

Me vuelvo a Subversion!

CAS 2018: Una vida descubriendo Agile

Inolvidable CAS2016 Vitoria-Gasteiz

Estuvimos en AOS2k16

A code review is not like watching a football match

Pairing: don’t have to always agree on a plan

XP Team Building

Productive Pair Programming

Practising Mob Programming

Avoid using subscriptions only as app-state getters

Giving new life to existing Om legacy SPAs with re-om

Native/Browser SPA versions using ClojureScript and re-frame talk at SCBCN17

Using effects in re-frame

Using coeffects in re-frame

Avoid using subscriptions only as app-state getters

Giving new life to existing Om legacy SPAs with re-om