software design

A collection of 25 posts

elixir

Expressive design in Elixir with polymorphic protocols

In this article Emilio told us how to achieve an elegant and expressive desing in Elixir with polymorphic protocols.

best practices

IAR: a mnemonic for a clean controller design

¿How do you design HTTP controllers? ¿How do you make sure responsibilities are correctly assigned? ¿How do you reduce maintenance issues? I'll introduce you to three letters that might help you remember the essentials of every controller…

refactoring Featured

Refactoring step by step: extract validation logic from a method

How to keep your code with validations clean? here’s a step-by-step example that improves an existing piece of code only using automatic refactorings!

css

Responsive design with CSS grid and kittens

If you ever heard about CSS grid and how it can help you make responsive designs but you haven't tried it yet or you don’t know where to start, join us in the construction of a responsive design with grids and kittens!

refactoring Featured

Using Acorn to implement a refactoring in Javascript (Part 1: hacking it)

I often ask myself: if we don't have a refactoring in this language, how much would it take to implement it? I'm presenting here an experience writing a simple source code transformation for Javascript.

best practices

A case against nameless objects

We name objects, we name variables, we name classes, messages, functions, and types. We name all the time because names allow us not only to reference "something" but also to understand what that "something" means.

diseño grafico

Diseño de prototipos in the loop

El camino que recorre un boceto hasta llegar a ser el diseño de una app es, usualmente, desconocido para las personas que van a desarrollarla. Es un camino de borradores, experimentación, intuición y creatividad, y me pregunto ¿por qué se cruza con el desarrollo de software casi llegando al final?

css Featured

“Is it CSS? Yes? Next.” - Tips for CSS code reviews

CSS can make stuff look super cool... but is the code that makes cool stuff cool too? Not sure what to check? Some tips to do so might help!

best practices

Las 12 propiedades deseables de los tests según Kent Beck

Un análisis sobre el artículo "Test Desiderata" escrito por Kent Beck, en donde se listan 12 propiedades deseables de los tests.

web design

Nuestra web, nuestros componentes

Hoy en día seguimos discutiendo la ganancia de generar nuestra propia librería de componentes de UI. Sin embargo, son estas las abstracciones que hacen que ciertos aspectos cobren el protagonismo que merecen; como por ejemplo: la accesibilidad de nuestras aplicaciones.

tdd

El primer test

Quizás la mayor dificultad al trabajar con TDD es empezar. ¿Cómo ir más allá de la hoja en blanco? TDD nos invita a aprender muy rápido, a sabiendas que nos vamos a equivocar mucho. ¡a prepararse, pues! ¿Qué características debería tener ese difícil primer test?

css

Diseño responsive con CSS grid y gatitos

Si escuchaste hablar de CSS grid y cómo puede ayudarte a hacer diseños responsive pero aún no te animaste a probarlo o no sabés cómo empezar, ¡acompañanos en la construcción de este diseño responsive con grillas y gatitos!

tdd

6 tips para una exitosa sesión de TDD

TDD es ~95% práctica. La teoría seguramente la conozcas o la hayas escuchado, el ciclo de Red-Green-Refactor te sea familiar y sepas qué es lo que se hace en cada paso. La práctica es lo difícil... esta es una simple lista de cosas que funcionaron para mí, y que quizás funcionen para vos.

object design

Confía en los objetos. Tienen derecho a decidir

"Los verdaderos desarrolladores no usan if". ¿Por qué alguien querría eliminar el if? ¿Qué tiene de malo? Aquí les cuento por qué y cómo lograrlo.

opinion

Reifying problems in our software: a short story

Yet another lesson from a large project with legacy code. Did you happen to see “known issues” in software that you have worked on? And how many times have you seen them “solved” with “quick fixes” or “workarounds”?

tdd Featured

6 tips for a powerful TDD session

TDD is ~95% practice. The theory about it is really simple. Practice is harder, and it's always beneficial to have some guidance as you practice it. Here's a quick list of six tips that may work for you!

css Featured

CSS: From I hate it, to I actually like this thing

Do you feel hopeless when you have to work with css? Anxious knowing the site will break the minute you add a minor change to the styling? No more my friend! These 9 steps will make your life easier!

graphic design

A Little Bit of Color!

You may have never paid close attention to the colors you pick for your web or app, but having a good palette helps organizing the information in your site

tdd

Tests: Paving our way

Three Months have passed since I started working in 10 Pines as a participant of the apprenticeship program. Although we covered different topics and technologies, one of the things that has touched me most during my short journey as a programmer is that you can actually use your tests as

object design Featured

Trust in objects. They have the right to decide.

"Real devs don't use if". Why would somebody want to eliminate the if clause? What's wrong about it? Here I tell you why and an example on how to do it.

opinion

Symbols: the new return codes?

Recently I’ve read a tweet from Yehuda Katz in which he suggested an interesting idea, as an alternative for using nil as a result from a method: to use a symbol instead. Well, this post is about the reasons why I think you shouldn’t use a symbol, and

java

Is Java Dead?

The answer is: of course not!!, but now that I got your attention surely due to the title that mimics the lately hot "Is TDD Dead?" discussion started by @dhh, I would like to concentrate on the real objective of this post that I think it is really

software design

Refactoring legacy code story

Is the following story familiar? A client knocks to your door, asking for help with a software developed by another vendor. He complains about developers always being late to deadlines and every time a new version is delivered there are plenty of things that are not working properly.

naming

The Art of Naming

Today we all know now that variables should not be called x or y, not even i nor n, when we use the famous “for”... but do you really know why? have you ever had trouble naming a variable? and what about a method (message) or a class? The truth

naming Featured

About names when designing with objects

One of the recurrent problems I see when teaching OO design is the “names” used by the programmers to name classes, methods, etc.