Drivy

JPEG and EXIF Data Manipulation in Javascript

Understand the JPEG file format to know how to read and update EXIF Data in Javascript

Babel, JavaScript Transpiling And Polyfills

How can Babel transpile your JavaScript/TypeScript code and handle core-js polyfills for you

Building a modular multiple flows wizard in Ruby

Developing a modular wizard supporting multiple user flows in Ruby

JavaScript smooth API with named-arguments and TypeScript

Create developer-friendly function inputs with the named-arguments pattern and TypeScript

GDPR compliance and account deletion

As customers, we're all happy to know about GDPR and the protection of our private data this regulation enforces. But as service providers, it's another story and the implications can be challenging

MySQL 8 Features

MySQL 8 comes with tons of new features. From 8.0 to the last minor release the team has been busy adding tons of improvements. Let's do a quick tour!

Your job is not just to write good code

Writing good code is the easy part; it has challenges of course but most engineers struggle with communication.

What's a good team process?

Any team - no matter the scale - encounters some friction at some point. Processes are a possible solution to address these. But how should we build processes that work?

What I learned in two years at Getaround

A non-exhaustive list of tips, patterns and lib I learned to use at Getaround

How we handle incidents at Getaround

An example of what happens when a bad commit is deployed

How we ran our last hack day

Running an hack day in a full-remote environment

Predicting slack emoji reactions with machine learning

Adding a slack action to react with a relevant emoji, using ruby and machine learning

Bookkeeping

Translating hundreds-of-years-old ideas in code

Writing JavaScript like it's 2020

() => 'The future looks good!'

Migrating a Live IoT Telemetry Backend

Explore the process behind choosing and migrating IoT infrastructure

Improving Performance with Flame Graphs

A quick overview of how we dig into the performance of specific parts of our app.

What is my job like at Drivy

Get an overview of what a backend developer could do at Getaround EU

More tips and tricks for junior developers

Some more tips with examples for junior devs looking to improve their code

More tips and tricks for junior developers

Some more tips with examples for junior devs looking to improve their code

A basic decision tree in Ruby

Build a simple decision tree for a multi-steps flow

A basic decision tree in Ruby

Build a simple decision tree for a multi-steps flow

Sharing React components with rollup.js

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

Sharing React components with rollup.js

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

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.

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.

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

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

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.

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.

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.

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.

Your JavaScript can reveal your secrets

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

Your JavaScript can reveal your secrets

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

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?

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?

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

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

Rails 6 unnoticed features

The features you may have missed.

Rails 6 unnoticed features

The features you may have missed.

Handle disabled mobile data setting on iOS

How to reimplement iOS's alert for cellular data error

Handle disabled mobile data setting on iOS

How to reimplement iOS's alert for cellular data error

Ruby tricks for junior developers

Some small tricks and examples to improve your code

Ruby tricks for junior developers

Some small tricks and examples to improve your code

Lambda composition in ruby 2.6

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

Lambda composition in ruby 2.6

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

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.

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.

Airflow Architecture at Drivy

Airflow Architecture at Drivy: a quick overview of Airflow architecture at Drivy

Airflow Architecture at Drivy

Airflow Architecture at Drivy: a quick overview of Airflow architecture at Drivy

Open-sourcing checker jobs

A Ruby gem to run regression tests on your data using a convenient DSL.

Open-sourcing checker jobs

A Ruby gem to run regression tests on your data using a convenient DSL.

Exporting significant SQL reports with ActiveRecord

Avoid blowing up your memory while running big SQL queries

Exporting significant SQL reports with ActiveRecord

Avoid blowing up your memory while running big SQL queries

Security tips for rails apps

A few tips and examples to avoid basic security issues in a rails application

Security tips for rails apps

A few tips and examples to avoid basic security issues in a rails application

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.

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.

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?

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?

Usage of Sidekiq middleware

Use Sidekiq middleware to propagate information to jobs.

Usage of Sidekiq middleware

Use Sidekiq middleware to propagate information to jobs.

Rails 5.2: ActiveStorage highlight

Rails 5.2 comes with awesome features: here we'll talk about ActiveStorage

Rails 5.2: ActiveStorage highlight

Rails 5.2 comes with awesome features: here we'll talk about ActiveStorage

Android Makers 2018 Key takeaways

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

Android Makers 2018 Key takeaways

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

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.

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.

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.

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.

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.

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.

Rails 5.1 Change Tracking in Callbacks

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

Rails 5.1 Change Tracking in Callbacks

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

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.

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.

Pro tips for productivity

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

Pro tips for productivity

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

Highlights from the 2017 dotJS

A handpicked selection of the dotJS talks you should watch first.

Highlights from the 2017 dotJS

A handpicked selection of the dotJS talks you should watch first.

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.

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.

Embulk: move easily data across datasources

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

Embulk: move easily data across datasources

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

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.

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.

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.

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.

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.

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.

Sanitize your attributes through your form object

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

Sanitize your attributes through your form object

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

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.

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.

Setting up Vim for React development

A list of plugins and config tricks for maximum productivity with React in Vim

Setting up Vim for React development

A list of plugins and config tricks for maximum productivity with React in Vim

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.

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.

Code simplicity - Command pattern

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

Code simplicity - Command pattern

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

Best Practices for Large Features

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

Best Practices for Large Features

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

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.

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.

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.

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.

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.

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.

Designing state machines

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

Designing state machines

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

Android Makers 2017 Highlights

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

Android Makers 2017 Highlights

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

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.

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.

Code Simplicity - Value Objects

Give more depth to your application's state using value objects. In this article I show one use of a common pattern in order to help you reduce the cognitive load carried by implicit assumptions.

Code Simplicity - Value Objects

Give more depth to your application's state using value objects. In this article I show one use of a common pattern in order to help you reduce the cognitive load carried by implicit assumptions.

Code Simplicity - Introduction

A guided tour through covering common software practices enhancing simplicity. In this article I share my vision of code simplicity is by giving some context about software and code.

Code Simplicity - Introduction

A guided tour through covering common software practices enhancing simplicity. In this article I share my vision of code simplicity is by giving some context about software and code.

MySQL Evolution - From 5.6 to 8.0

These are the slides of a presentation I gave at ParisRB. They present the new developer features of 5.6, 5.7 and what's coming in 8. It also shows how to use some of these features with Rails.

MySQL Evolution - From 5.6 to 8.0

These are the slides of a presentation I gave at ParisRB. They present the new developer features of 5.6, 5.7 and what's coming in 8. It also shows how to use some of these features with Rails.

Editing your git history with rebase for cleaner pull requests

Having a clean git history is really useful for big pull requests. In this article we'll see how to edit previous commits to avoid clutter.

Editing your git history with rebase for cleaner pull requests

Having a clean git history is really useful for big pull requests. In this article we'll see how to edit previous commits to avoid clutter.

Instrumenting Sidekiq

Monitoring your taskqueue to get deeper visibility on usage trends, find out slow jobs or queue congestion. Here's how we do it with a Sidekiq middleware, InfluxDB and Grafana.

Instrumenting Sidekiq

Monitoring your taskqueue to get deeper visibility on usage trends, find out slow jobs or queue congestion. Here's how we do it with a Sidekiq middleware, InfluxDB and Grafana.

API Driven Apps

Being agile on mobile apps has always been a challenge. You have to deal with users that don't update their apps and with the validation time on iOS. Let's see how to update your app without submitting a new version to the Play Store / App Store.

API Driven Apps

Being agile on mobile apps has always been a challenge. You have to deal with users that don't update their apps and with the validation time on iOS. Let's see how to update your app without submitting a new version to the Play Store / App Store.

Send Rails console commands to Slack

We sometimes use the Rails console in staging or production to fix rare issues and we've built a tool to have a better visibility and control of commands executed in the console. This article explains why we decided to build this and how we did it.

Send Rails console commands to Slack

We sometimes use the Rails console in staging or production to fix rare issues and we've built a tool to have a better visibility and control of commands executed in the console. This article explains why we decided to build this and how we did it.

Use Android's FileProvider to get rid of the Storage Permission

In order to share a file with other apps, the simplest way seems to be using the external storage as a temporary place to keep your file. However it has many drawbacks: more permissions are needed, you have less control and you leave more mess. Here is a solution to avoid this!

Use Android's FileProvider to get rid of the Storage Permission

In order to share a file with other apps, the simplest way seems to be using the external storage as a temporary place to keep your file. However it has many drawbacks: more permissions are needed, you have less control and you leave more mess. Here is a solution to avoid this!

Taskqueues tips

Taskqueues are used to asynchronously run tasks. They are very useful and very easy to get wrong, so in this article I'll share 12 tips to make sure it goes smoothly.

Taskqueues tips

Taskqueues are used to asynchronously run tasks. They are very useful and very easy to get wrong, so in this article I'll share 12 tips to make sure it goes smoothly.

Managing Bugs at Drivy

It is crucial to have a minimal number of bugs in production. In this article we'll discuss the different ways we use to make sure everything goes smoothly for our users.

Managing Bugs at Drivy

It is crucial to have a minimal number of bugs in production. In this article we'll discuss the different ways we use to make sure everything goes smoothly for our users.