Nacho Coloma

Do you spend a lot of time formatting Java files over and over again? What? Unexpected! We too! We were considering the usual solutions to this: IDE autoformat, git hooks,

At the time of this writing, there are a gazillion ways to print dates in Java: SimpleDateFormat (deprecated, use java.time instead)Joda time (deprecated, use java.time instead)Threeten

Our users need to upload an image to modify their account avatar or the banner to be used for an event. Leaving aside image cropping, resizing and format – which are

We are implementing paid plans on Koliseo (free, professional, enterprise) using Stripe Subscriptions. Long story short, this is the output from Stripe CLI when a user switches from a free

We have been playing with multithreading in Java for some time and would like to share our findings, and how they have changed the way we understand the concurrency model.

It's not widely documented how to do this, right? You have a test suite that you want to run against Firestore emulator, which should get started and stopped automatically while

As many developers out there, we used to concatenate and minify our JavaScript codebases, because performance matters. We would try to reduce as much as possible the number of requests

Cloud Build is a managed CI/CD environment, of which we are happy users. However, our test suite was taking about ten minutes to run, so we thought about speeding things up by caching our dependencies on GCS.

Our engineering team often finds issues that we qualify as "last mile issues": you are 90% there, now there is just an additional 90% of work to finish this. It

So we were last week doing a small change, as people do, when things transformed – slowly – from a small easy change into a huge refactor thing: It was going to

For events with hundreds of talks, the selection process is a daunting task. The commitment of some communities can sometimes bring content by the truckload, and having to evaluate hundreds

Putting together a diverse agenda with a representative amount of male and female speakers is hard. All events can benefit from a multifaceted discussion, but you need proper tools to

The agenda for this year is the source of truth for Codemotion 2017. It displays up-to-the-minute information, supports filtering by technology and free text, collects feedback about the speakers and

Software development can be a lot like housework. You can move a table or add a picture, things that everyone will notice as soon as they enter your home. Or

Search Engine Optimization is not an easy topic. In a world full of truths, half-truths and plain lies, it's good to start covering some base facts. If you are new

The best event interface can look like crap if it doesn't include awesome background images to get the point across. At Koliseo we are not shy of experimenting: Include videos

You don't hear everyday that someone is planning to lower their prices. This year, using Koliseo to sell your events is cheaper than ever: This is a 56% drop of

This is one of these rare situations where we integrated a feature before it was released by Google. A couple of months ago we jumped ahead of the wagon and

Our experience integrating six different OAuth providers has been documented by Extrema Sistemas in their blog. The conclusions: We still kind of love OAuth, despite its problems and inconsistent implementations.