Sophia Parafina

Continuous Integration with GitLab at 10,000 Feet

#gitlab#containers#cicd Continuous Integration and Continuous Delivery (CI/CD) is a method for implementing DevOps. It is both a process and infrastructure that enables developers to rapidly and incrementally build and deliver software updates. In…

Jupyter and bash, better than peanut butter and chocolate

As a developer advocate, I fall into the "show me" camp. That means I like to show code when writing about a service or feature. In articles, code is presented as copy and paste blocks, such as this: If I was doing a live demo, I could use a REPL if…

Which Data Storage Option Should I Choose?

Modern applications need storage for data, logs, user files, and databases. As a cloud engineer, you can choose from object storage, block storage, and file system storage. Each type of storage can meet specific business requirements, but which one…

How to Store Data in the Cloud

Whether you're building a website or a cloud application or backing up data, you need storage that is accessible and scalable. There are three main types of cloud storage: block storage, object storage, and file storage. Selecting the right type of…

Where Is Everyone? The Global Impact of COVID on Road Traffic

Slides from a 4 minute lightning talk at FOSS4G2022 in Firenze, IT. HERE Traffic Analytics provide the data for this presentation. Data is collected from multiple GPS sensors globally. The traffic data was aggregated from hourly counts aggregated by…

Updating Applications Securely on the HERE Platform with Gitlab

Migrating to the Basic or Limited HERE platform plans requires replacing the API key issued from the developer.here.com with a key generated by HERE platform. We’ve covered how to create a new API on platform previously, and this article demonstrates…

Search and Discovery with the HERE Geocoder API

Routing search geocoder In the previous article, we examined how you can use the HERE geocoding API to locate places by address, name, or postal code. This article demonstrates how to use the HERE discover service to find places using a location, the…

How to Locate Addresses with the HERE Geocoder

tutorial geocoder python how-to In the previous article, we examined the output of a geocoding request. This article demonstrates multiple methods for address geocoding. The HERE Geocoder API provides global coverage where data is available.…

Beyond Basic Address Geocoding

Addresses are labels that simplify the varied and complex ways we locate businesses, homes, landmarks, cities, and administrative areas such as cities or other political subdivisions. Basic geocoders return only coordinates that are derived from…

The Billion Dollar Code and the Rapid Rise of Mapping Technology

Maps The Billion Dollar Code is a quick and fascinating tour of the evolution of satellite image processing, among other things. In the first episode of the series, the main characters discuss the difficulty of processing imagery and displaying it…

A Tour of the HERE Platform

Welcome to HERE platform, the one-stop location services site. Platform brings all of HERE’s location services, data, and SDKs under a single console experience. This article is a brief tour of HERE platform after you create an account. What does…

Mapping Traffic Congestion

Using data collectors to analyze the impact of road projects can be expensive. As an alternative, traffic analysts can use historic HERE Traffic Analytics Street Data to conduct before and after analysis by looking at historical speeds before…

Mapping Earthquakes in the Permian Basin

When I read an article about earthquakes caused by fracking in west Texas, I wanted to map the data. Additional research referenced a report published in Science. Titled "High-rate injection is associated with the increase in U.S. mid-continent…

Traffic Analytics Speed Data

HERE Speed Data provides traffic speed observations using the same GPS probe data as HERE Real-Time Traffic. It delivers historical traffic speeds for analytical applications. It enables road network performance analysis by providing a reference…

Handling Out of Process API requests

When we work with APIs, we typically work with a request-response pattern or a streaming pattern. However, another API pattern calls an out of process function initiating a long transaction. I worked with a service that acted like a request-response…

Using Gitlab to deploy a Github repository to AWS

Github is a great way to collaborate on code. However, I use Gitlab as a CI/CD to deploy application to AWS. Gitlab conveniently supports importing external git repositories. This post demonstrates how to deploy a Github repository of a static web…

Speeding up geodata processing with feather

Previously, on speeding up geodata processing... In this post, I compare the read and write performance of the feather file format against the pickle file format. From Hadley Wickham's blog: What is Feather? Feather is a fast, lightweight, and…

Speeding up geodata processing

I've been using the excellent geopandas for working with largish geodata sets and CSV files. While geopandas has been great for working with data, it is slow to ingest geodata. I ran a simple test to time reading a 1.2GB line shapefile into a…

Build and Deploy Location Apps with AWS Location Service and HERE

AWS The post is co-written by Sophia Parafina and Andrea Amorosi | AWS Partner Solutions Architect dreamorosi@ on Twitter & dreamorosi@ on GitHub Developers building modern cloud applications are not only writing application code but are increasingly…

Getting Started with YOLTv4 for Object Detection in Imagery: Part 1

This tutorial attempts to fill gaps in this excellent article: Announcing YOLTv4: Improved Satellite Imagery Object Detection. Preparing your computer with a GPU This part is specific to this Kubuntu Focus M2 which has a NVIDIA GPU. This part is…