Rename to understand

As I decided to change jobs, I paused working in “PeakToRace”, my pet project, for a while. Now that I’m starting to settle at Trainline I have come back to that code. Even though it is my own code, it...

TDD, what do you expect?

TDD, Test driven development. If you don’t know what it is I envy and salute you. These days TDD is like one of those other terms, eg. Agile, MVC, Lean, SOLID. We love acronyms in our profession, and as developers...

Renaming your css modules styles

I promise, I am not paid by Jetbrains. But I love their editor for Javascript, WebStorm. I know, the cool thing now is to use VisualCode. Before it was Atom, and before that it was Sublime. The former ones are...

Do not WIP

I’m sure you are familiar with the term WIP, just in case Work In Progress. It relates to something that is not finished yet, there’s a bit more way to go before completing it. I’ve been using Trunk-based development for...

A lightweight GraphQL (Part I)

(Also published at Fmp Tech Blog: http://tech.findmypast.com/lightweight-graphql/)

This post is inspired by a talk in the latest React London Meetup, Lightweight GraphQL. In Findmypast we use GraphQL and Relay in our new Titan architecture. I always felt like I had...

React London, September 2017 meetup

The September meetup of React London was held on 20th September in the Facebook offices. Here is a brief description of each topic:

Lightweight GraphQL

Simple talk about the basics of GraphQL. Why do we care about it and...

Remember this:

To help you as a designer of habit-forming technology, assess the morality behind how you manipulate users, it is helpful to determine which of the four catagories your work fits into. Are you a facilitator,...

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Hooked, Investment

Remember this:

Investment is the fourth phase of the Hook Model. Unlike the action phase, which delivers immediate gratification, the investment phase concern the anticipation of rewards in the future.

Investment in a product create...
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Hooked, Variable Reward

Remember this:

Variable Reward is the third phase of the Hook Model, and there are three types of variable rewards:

Rewards of the tribe is the search for social rewards fueled by connecteness with other people. Examples:...
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Hooked, Action

Remember this:

The second step in the Hook model is action.

The action is the simplest behavior in anticipation of reward.

According to Dr. B.J. Fogg’s Behavior Model:

A trigger must be present at the same time...
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Hooked, Trigger

Remember this:

Triggers cue the user to take an action and are the first step in the Hook Model.

Triggers come in two types:

External: Tell the user what to do next by placing information within the...
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Hooked, the Habit Zone

Remember this:

For some businesses, forming habits is a critical component to success, but not every business requires habitual user engagement. For example, products that don’t need everyday engagement, like mortgages or insurance services.

When successful, forming strong...
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Hooked

Hooked

Oh my god! I can’t believe it’s been more than a year since the last post I wrote… Like a good friend would say: Un-be-lievable!

Anyway, I have a good reason to write this: I want to get...
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Learn your tools well

Learning your tools

This time I’d like to talk about tools, the frameworks that we use in a daily basis.

I often relate to the Gardening metaphor when talking about software. A gardener knows his tools, he knows when...
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Unit testing Legacy code

Let’s get to the point. I have this nice little piece of legacy code:

public static void Save(object key, object value, System.DateTime?...
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Read More Managing Technical Debt Technical Debt is widely regarded as a bad thing; that should be avoided or should be paid back as soon as possible. Should you? Well sometimes I don’t think so. Let’s try to compare Technical Debt with Financial Debt. Then... Read More Debate, Technical Debt I remember my last interview, they ask me: If you are approaching the project deadline and you haven’t finished all the work, would you sacrifize quality in order to finish or would you either sacrifize some of the user... Read More A mini React workshop by Damjan Vujnovic ReactJS, yet another JS framework? Angular, Knockout, Ember, jQuery, Ext… React? This is going mad. Why do I need to learn about another framework? That was my thinking when my colleague Richard Kotze told me about ReactJS for the... Read More Opinionated people And there he goes, yet another opinionated guy… Surely you´ve met this kind of guys. You were having a few drinks with your mates, including your opinionated friend. You started talking about computers, it was a positive and chilled... Read More Efficient Meetings Meetings, meetings, meetings Today I wanted to talk you about Meetings. Our world is heavy on meetings, we organize a meeting for nearly everything. If you have to catch up with somebody: Why don´t we do a meeting for... Read More Test Driven Development TDD is not writing unit tests, TDD is a way of writing code. Writing a test first? Why? The code is not even implemented, I don´t know how I´m going to do that. At least let me create... Read More Uncle Bob strikes again, TDD is Alive Skills Matter is a company that provides courses, workshops and much more here in London. They do something called In the Brain, these are talks by some famous speaker about anything. Normally it is kind of a master class. And... Read More NDC London, first day First day of the NDC London 2014 finished! Really long day, lots of information to take, but really glad to have the chance to be here. I will write detailed posts of the most interesting talks but I wanted to... Read More NDC London, third day Let´s talk about the third and last day of the NDC London. AngularJS for ASP.Net MVC developers, Miguel A. Castro Miguel started his talk sharing some really good features of AngularJS. And them he talked about Hybrid Applications. That... Read More NDC London, second day Let´s talk about the second day of the NDC London. OWIN, Katana and ASP.Net vNext, eliminating the pain of IIS, David Simner Good explanation about Katana and Owin. A couple of interesting facts about the new vNext and how... Read More Jurassic Park, a root cause analysis Abstract Devs in the Ditch is a community here in London, sponsored by 7digital company. Yesterday they carried out a workshop with a very strange name: Jurassic Park: What went wrong? The title drew my attention and I decided... Read More Global day of Coderetreat Hi there! Yesterday I participated in the Global Day of Coderetreat. It was hosted by the London Software Craftsmanship Community. It was an amazing day, I´m really glad I had the chance to go, please bear with me a moment,... Read More Hello world! This is my new programming blog, hosted in GitHub. What a better place to talk about programming than this. This blog will feel really at home here. The reason for this change, from blogger to GitHub, is because lately I´ve... Read More London Software Craftsmanship Community, Pair programming Yerterday I went to 7th Talk by the London Software Craftsmanship Community Really glad I could go and meet this great people. The event consisted of two half-hour talks and one ten-minute live kata. Everything was recorded. A... Read More Performance of web sites using HTTP Archive Hei igjen, Hi again, Hola de nuevo! Yesterday I went to a workshop carried out by the London Web Performance Group, The Good, the Bad and the Ugly of the HTTP Archive. I was really surprised with the content... Read More NCrunch, your friend with TDD Today I wanted to talk you about NCrunch, a great tool I´ve discovered thanks to my new colleages. It allows us to automatically run our Unit Tests while we are writing the production code. So... Read More What is going on CSharp 6 Hello! I´m back again into the arena. Sorry for the long time since I last wrote a post, back in August. Certainly there have been lots of things to take care off, but I don’t want to stop sharing things... Read More Did you know that... CSharp´s foreach IEnumerator is a simple interface that defines a basic low level protocol to traverse a collection in a forward-only manner. The protocol is so simple: Collections normally don’t implement enumerators directly. Instead, they provide enumerators... Read More NDC Oslo 2014 Series Hi there! Last June 2014 I had the pleassure to assist to Norwegian Developers Conference (NDC). It was held in Oslo Spektrum, 2-6 June. This conference is one of the things you shouldn´t miss if you like programming, design, technology,... Read More NDC 2014 Oslo, Core software design principles, DRY, YAGNI and SRP/SLAP So here we go with one of the greatest talks I went in the conference: Core Software Design Principles by Venkat Subramaniam. I didn´t know Venkat before the conference (you can blame me) and everybody... Read More NDC 2014 Oslo, Core software design principles, TDA, OCP, LSP and DIP Another set of core design principles by Venkat Subramaniam. Tell Don´t Ask Principle, TDA You want to tell a piece of code to do stuff, rather than asking a piece of code for some information and then going... Read More Being a junior developer Hi there! One of the things I do to take the best of my time is to do things when doing other things. Maybe this is not a good thing, so I don´t want you to take this as an... Read More Keep that simple You can find beauty in code, beauty is in simplicity. There´s one quote by Plato that states: Beauty of style and harmony and grace and good rythm depends on simplicity. How many times we have been told that... Read More