A geo demonstration using Foxx

01Foxx, how toTags: ,

Geo data is getting more and more important for today’s applications. The growing number of location-aware services, IoT applications and other solutions using latitude and longitude ask for precise and fast processing of geo data.

Let me show you in this quick demonstration how you can use geo functions and visualize your data using Foxx and leaflet.js. Read more

ArangoDB #FoxxChallenge

00Foxx, GeneralTags:

The Challenge

arangodb-foxx-logoStarting today we launch the ArangoDB #FoxxChallenge and the winner will receive a brand new Amazon Echo.

Use your knowledge about everyday needs in projects and create a Foxx service that could be helpful for others. If you need some inspiration here some ideas: Read more

How to model customer surveys in a graph database

02Foxx, General, GraphsTags: ,

Use-Case

The graph database use-case we are stepping through in this post is the following: In our web application we have several places where a user is led through a survey, where she decides on details for one of our products. Some of the options within the survey depend on previous decisions and some are independent.

Examples:

  • Configure a new car
  • Configure a new laptop
  • Book extras with your flight (meal, reserve seat etc.)
  • Configure a new complete kitchen
  • Collect customer feedback via logic-jump surveys

Read more

How to put ArangoDB to Spartan-Mode

00Foxx, General, how toTags:

Most of us saw the fantastic movie 300 (I did it last night…again) or at least read the comics. 300 spartans barely wearing anything but achieving a lot. This little how-to will show you how to put ArangoDB into Spartan-Mode and thereby reduce memory-footprint and CPU usage.

Big thanks to Conrad from L.A. for his time and for giving us the impulse for this little how-to!
Read more

Foxx: Module resolution will change in 2.8

03Documentation, FoxxTags: , ,

The implementation of the JavaScript require function will be adjusted to improve compatibility with npm modules. The current implementation in 2.7 and earlier versions of ArangoDB strictly adheres to the CommonJS module standard, which deviates from the behaviour implemented in Node and browser bundlers.

Module paths will now be resolved in the following ways: Read more

Dockerizing a Bloom-based Nonces Service in 10 Minutes

00Documentation, FoxxTags:

In this article I want to explain how to setup a nonce-microservice using docker.

Nonce are one-time tokens that are used to ensure that an action can only be taken once. In a project, we needed to ensure that a pay button is only pressed once. Note that nonces are not used to sign requests or identify a user. This is a separate mechanism.

ArangoDB contains a nonce implementation which is a variation of Bloom-filters. It allows to store nearly unlimited nonces within a limited amount of memory. Nonce are allowed to age, that is after an hour they might expire. If there is sufficient interest, I will explain the algorithm implemented in a separate blog post.

More info

Document your Foxx apps with Swagger 2

00FoxxTags:

The generated API documentation in ArangoDB 2.6 has been updated to Swagger 2. To see the API documentation for any of your Foxx apps, open the web admin frontend and select your app from the Applications tab. For information on how to describe your own APIs in the generated documentation, see the ArangoDB documentation.

But wait, there’s more! In addition to being shown in the web admin frontend, ArangoDB 2.6 allows you to mount your app’s documentation inside the app itself. Using the new controller method apiDocumentation you can define a mount point for the app’s own documentation and apply the same access controls you already use for other routes. Depending on your needs, you can even mount the documentation of other apps in your own Foxx app, use different assets or even your own Swagger API description files. In fact, the new API documentation viewer of the web admin frontend itself is using it.

For more information on the apiDocumentation method, see the documentation. If you want to give the feature a try yourself, check out ArangoDB 3.0 or compile the latest development version from the GitHub repository.

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