October 29, 2019

Improving Performance with Flame Graphs

A quick overview of how we dig into the performance of specific parts of our app.
October 29, 2019

What is my job like at Getaround EU

Get an overview of what a backend developer could do at Getaround EU
September 18, 2019

More tips and tricks for junior developers

Some more tips with examples for junior devs looking to improve their code
August 23, 2019

A basic decision tree in Ruby

Build a simple decision tree for a multi-steps flow
July 24, 2019

Sharing React components with rollup.js

Bundle and publish a React component project to share it across our projects as a node module
July 16, 2019

How Kotlin's Coroutines help us to deal with Bluetooth

At Drivy, we want to enable users to open the car even if it's on the bottom floor of the deepest, underground parking. Since we can't rely on a GSM connection when so deep underground, we need to use a Bluetooth connection. But communicating with a Bluetooth device is easier said than done, due to the fact that it's low-level and requires many asynchronous calls. Let's see how we can improve this.
July 02, 2019

Things to consider when choosing a third-party API

There are a lot of third-party-services APIs, but not all are created equally. In this article, we'll list the different points you should consider before you take a decision: documentation, libraries, SDKs, support, pricing, data privacy, and maintenance
June 05, 2019

Design system and API-Driven UI

Our iOS and Android apps require API calls to fetch fresh content and build screens. We combined this requirement with the power of a design system to go even further in our ability to have flexible apps.
May 15, 2019

Embracing or banishing randomness

How could using random values within your specs lead to better documentation and greater confidence? This post will use Ruby and RSpec to introduce some concepts from property based testing.
May 02, 2019

Your JavaScript can reveal your secrets

In backend security, JavaScript files are often underlooked but can tell a great deal about you.
April 19, 2019

Sorbet: A Ruby type checker

Sorbet is a Ruby type checker developed by Stripe. What's a type checker? What kind of type checker is Sorbet? Should you use it?
February 19, 2019

From translator to developer

An interview with a Full-Stack Engineer on how she started coding and what it’s like to work at Drivy
February 15, 2019

Rails 6 unnoticed features

The features you may have missed.
February 13, 2019

Handle disabled mobile data setting on iOS

How to reimplement iOS's alert for cellular data error
January 22, 2019

Ruby tricks for junior developers

Some small tricks and examples to improve your code
January 15, 2019

Lambda composition in ruby 2.6

The new proc composition operators: << and >> - a small feature that can easily be overlooked.
January 07, 2019

Why we've chosen Snowflake ❄️ as our Data Warehouse

We will share with you the reasons why we've changed our Data Warehouse technology from Redshift to Snowflake.
November 21, 2018

Airflow Architecture at Drivy

Airflow Architecture at Drivy: a quick overview of Airflow architecture at Drivy
September 24, 2018

Open-sourcing checker jobs

A Ruby gem to run regression tests on your data using a convenient DSL.
August 29, 2018

Exporting significant SQL reports with ActiveRecord

Avoid blowing up your memory while running big SQL queries
August 27, 2018

Security tips for rails apps

A few tips and examples to avoid basic security issues in a rails application
August 03, 2018

Implementing Up Navigation on Android

Parent Navigation has always been a tough topic on Android. There are not a lot of apps that implement the guidelines correctly, maybe because they are hard to understand or complicated to implement.

July 05, 2018

Quick wins to deal with users' broken email addresses

Transactional emails are very important for a successful experience. So, how are we dealing with broken email addresses?
May 31, 2018

Usage of Sidekiq middleware

Use Sidekiq middleware to propagate information to jobs.
May 17, 2018

Rails 5.2: ActiveStorage highlight

Rails 5.2 comes with awesome features: here we'll talk about ActiveStorage
May 17, 2018

Android Makers 2018 Key takeaways

Modern Android development, From Java to Kotlin, Design Tools, ADB, Typesetting and more: key takeaways from this 2018 edition.
April 19, 2018

Ensuring consistent spacing in your UI

Ensuring visual consistency across an application can be tricky: a few tips about how we do it at Drivy.
April 03, 2018

Running Our First Internal Hack Day

We started doing hack days to work together on new ideas. It was a lot of fun, so we decided to share how we did it and some of the results we saw.
March 21, 2018

Redshift tips and tricks - part 1

We will share with you some insights, tips and tricks on how we managed to increase performance, robustness and reliability of Redshift as our usages changed over time.
February 12, 2018

Rails 5.1 Change Tracking in Callbacks

Illustration of a subtle change to the way that Rails 5.1 tracks model changes in callbacks
January 23, 2018

How we documented our API using unit testing

One of the most known pain point in API development is keeping up-to-date documentation. Let's see how we managed to do it using unit testing.
January 16, 2018

Pro tips for productivity

A summary of pro tips for enhanced productivity, recently shared by the dev team during a Tech Talk
January 11, 2018

Highlights from the 2017 dotJS

A handpicked selection of the dotJS talks you should watch first.
December 21, 2017

dotCSS 2017 hightlights

The Drivy team was at the 2017 DotCSS conference. Here is a digest of the talks we found the most interesting, including a search engine build in CSS or what can be done with the grid property.
December 11, 2017

Embulk: move easily data across datasources

We present how we use Embulk to move data across multiple datasources thousand times a day at Drivy
November 20, 2017

Sending an e-mail to millions of users

Sometimes you just need to send a lot of emails, and services that make it really simple can get too expensive. Here is how we sent an e-mail to all our users and what we learnt.
November 20, 2017

Multi-currency support in Java

For a few weeks, Drivy has been available in the United-Kingdom. Unlike the others Europeans countries where Drivy operates, the United-Kingdom use a different currency: we had to make some changes in our Android apps to support this.

November 09, 2017

Data quality checkers

Making sure that the data we use is of good enough quality is very important. Here is how we ensure that the data we collect, store and process is meeting our quality requirements.
October 17, 2017

Sanitize your attributes through your form object

A simple way to sanitize the user's form inputs using the Virtus custom coercion.
September 27, 2017

Evolution Of Our Continuous Delivery Process

To stay agile and reduce risks related to large releases, it's important to be able to ship code fast. In this article we showcase chronologically all the iterations which have lead to what we currently do at Drivy for quick and efficient releases.
September 12, 2017

Setting up Vim for React development

A list of plugins and config tricks for maximum productivity with React in Vim
September 01, 2017

Code simplicity - Reading levels

By telling stories in you code, you can offer various levels of details to make the reader's life easier. In this article we go through a refactoring of that kind.
September 01, 2017

Code simplicity - Command pattern

Targeting junior developers, this article shows a simple technique to declutter controllers through the addition of a simple object.
July 31, 2017

Best Practices for Large Features

A collection of tips and practices we find useful at Drivy for taking large features from planning to production.
July 17, 2017

How we are using member voice to improve UX

Answering customers' questions is good but fixing the original problem is even better! Here we describe the various steps we took to leverage our users' feedback and questions to improve the overall user experience on our platform.
July 05, 2017

Running feature specs with Capybara and Chrome headless

How to use the new headless version of Chrome to replace PhantomJS and test a Rails application.
July 03, 2017

The Tech Recruitment Process At Drivy

How we work to avoid the usual pitfalls of software recruitment: whiteboard coding, trivia questions... instead we look at code the candidate wrote before and discuss real problems encountered at Drivy.
June 26, 2017

Designing state machines

Different tips to design a state machine that improves your codebase quality and eases communication within your team
May 23, 2017

Android Makers 2017 Highlights

Android Makers 2017: a quick overview of the conferences we found the most interesting
May 18, 2017

Story of a junior developer at Drivy

Feedback from a Junior Full Stack developer at Drivy since six months after graduating from a two-month bootcamp at Le Wagon.
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