Evergreen Innovations tech blog https://www.evergreeninnovations.co/tech-blog/ 2022-08-19T00:04:46Z Maps in Gohttps://www.evergreeninnovations.co/blogs-maps-in-go/ 2022-08-18T23:28:12Z2022-08-19T00:04:46Z Mark BruggemannWhy deleting during iteration is safe in Go but not in C++, and why Go’s iteration order changes: a look at both implementations. Infrastructure as codehttps://www.evergreeninnovations.co/blog-infrastructure-as-code-iac/ 2021-07-02T15:35:17Z2021-07-02T17:48:59Z Alekhya KatumallaA demonstration of infrastructure as code: deploying an EC2 instance from a CloudFormation template. Hilscher netTAP 100: interfacing communication protocolshttps://www.evergreeninnovations.co/blog-nettap-100/ 2021-03-17T21:09:12Z2021-03-18T16:18:43Z Johannes SpinnekenBridging a Modbus RTU device onto an EtherCAT network with the Hilscher netTAP 100 gateway. Time series forecasting with Facebook Prophethttps://www.evergreeninnovations.co/time-series-forecasting-with-facebook-prophet/ 2020-12-13T15:34:47Z2020-12-15T03:01:46Z Graham PenroseForecasting a time series with Prophet, from data preparation through tuning to evaluating the forecast. Continuous delivery with GitHub Actionshttps://www.evergreeninnovations.co/blog-continuous-delivery/ 2020-12-11T21:26:16Z2021-07-07T15:42:49Z Alekhya KatumallaAn introduction to GitHub Actions and automated deployment of three mock microservices from a GitHub repository to an AWS EC2 server. EL6695: the EtherCAT bridge terminalhttps://www.evergreeninnovations.co/el6695-ethercat-bridge-terminal/ 2020-08-27T21:54:16Z2020-09-28T21:03:40Z Alekhya KatumallaHow to set up the Beckhoff EL6695 bridge terminal to exchange data between two EtherCAT networks. Simulating IoT devices using Gohttps://www.evergreeninnovations.co/blog-simulating-iot-devices-using-go/ 2020-06-06T19:34:07Z2021-07-01T22:32:38Z Alekhya KatumallaDeveloping and testing IoT code before the hardware arrives: a Modbus TCP test setup that runs entirely on localhost. ELK stack in Dockerhttps://www.evergreeninnovations.co/blog-elk-stack-in-docker/ 2020-06-06T19:29:55Z2021-07-01T22:32:56Z Alekhya KatumallaDeploying Elasticsearch, Logstash and Kibana as microservices with Docker. The first in a series on microservice architectures. Writing function main in Gohttps://www.evergreeninnovations.co/blog-writing-function-main-in-go/ 2020-06-06T19:20:10Z2020-08-25T18:45:29Z Mark BruggemannHow to structure the main function in Go so that errors and resources are handled efficiently and safely. Principal component analysishttps://www.evergreeninnovations.co/blog-principal-component-analysis/ 2020-05-22T21:50:24Z2020-08-28T17:47:53Z Jose OrtizPrincipal component analysis (PCA) reduces the number of features in a machine learning problem. This post introduces PCA and works through an image recognition example. Quantile loss function for machine learninghttps://www.evergreeninnovations.co/blog-quantile-loss-function-for-machine-learning/ 2019-07-12T14:52:46Z2021-12-01T18:05:27Z Jose OrtizQuantile regression replaces a single-value prediction with prediction intervals. An intuitive explanation of why it works, and an example in Keras. Working with package time in Gohttps://www.evergreeninnovations.co/blog-working-with-package-time-in-go/ 2019-05-28T00:29:57Z2020-08-25T18:45:29Z Mark BruggemannSome of the functionality of the standard library time package, and a few issues we hit when first getting to grips with it. What is new in TensorFlow 2.0https://www.evergreeninnovations.co/blog-tensorflow-2-0/ 2019-05-03T18:55:10Z2020-08-25T18:45:29Z Jose OrtizWhy you may want to implement your next machine learning project using TensorFlow 2.0. Creating a Cassandra database cluster for local developmenthttps://www.evergreeninnovations.co/blog-local-cassandra-database-cluster/ 2019-04-17T22:38:18Z2020-08-25T18:45:29Z Mark BruggemannCassandra can run as a multi-node cluster that replicates data across nodes. How to set one up for local development. Function interpolation with known piecewise averageshttps://www.evergreeninnovations.co/blog-function-interpolation-with-known-piecewise-averages/ 2019-04-01T20:30:06Z2020-08-25T18:45:29Z Jose OrtizHow to “interpolate” a function when all you know are its averages over certain time intervals. Setting up a LabVIEW real-time projecthttps://www.evergreeninnovations.co/blog-labview-rt-project/ 2019-02-23T02:34:01Z2020-08-25T18:45:29Z Johannes SpinnekenA brief introduction to setting up the LabVIEW real-time cRIO and FPGA environment. EtherCAT on LabVIEW and cRIOhttps://www.evergreeninnovations.co/blog-ethercat-on-labview-crio/ 2019-02-23T01:07:41Z2021-07-01T22:52:19Z Johannes SpinnekenUsing EtherCAT, a powerful industrial real-time communication protocol, with the NI cRIO, including benchmarking its performance. A LabVIEW real-time application examplehttps://www.evergreeninnovations.co/blog-labview-rt-application/ 2019-01-05T23:40:24Z2020-08-25T18:45:29Z Johannes SpinnekenUsing LabVIEW real-time for a real-world motor controller, including the cRIO real-time OS and the cRIO FPGA. Regression loss functions for machine learninghttps://www.evergreeninnovations.co/blog-machine-learning-loss-functions/ 2019-01-05T22:02:38Z2020-08-25T18:45:29Z Jose OrtizLoss functions and their correct application are essential to machine learning models. A first overview of three common ones. Deploying a real-time LabVIEW project as a startup executablehttps://www.evergreeninnovations.co/labview-rt-deployment/ 2018-12-29T21:00:18Z2020-08-25T18:45:29Z Johannes SpinnekenFor many industrial and prototyping applications we bundle LabVIEW code and deploy it as a startup executable on a real-time target. This post shows how. Wave tank testinghttps://www.evergreeninnovations.co/wave-tank-testing/ 2018-12-27T19:52:19Z2020-08-25T18:45:30Z Johannes SpinnekenThe joy of working with water waves: what goes into testing devices in a wave tank, and some of the facilities we have worked in. Installing WordPress on a virtual private server from scratchhttps://www.evergreeninnovations.co/wordpress-on-vps/ 2018-12-13T20:12:45Z2020-08-25T18:45:29Z Johannes SpinnekenA step-by-step guide from a raw Ubuntu server to a running WordPress website. Creating a state-space block in LabVIEWhttps://www.evergreeninnovations.co/labview-state-space/ 2018-12-13T18:09:56Z2020-08-25T18:45:29Z Johannes SpinnekenThe state-space formulation is immensely powerful in control and modelling. This post walks through an application example in LabVIEW. Drawing mangahttps://www.evergreeninnovations.co/tech-manga/ 2018-11-24T05:20:00Z2020-08-25T18:45:30Z Wrnwrn TanWe know drawing manga isn’t tech. But it’s fun. LabVIEW cRIO real-time loopshttps://www.evergreeninnovations.co/tech-crio-rt-loops/ 2018-11-23T18:56:31Z2020-08-25T18:45:29Z Johannes SpinnekenHow to break, and how not to break, the real-time behaviour of a LabVIEW real-time loop. Solving ODEs in Pythonhttps://www.evergreeninnovations.co/tech-python-ode/ 2018-11-23T18:40:16Z2020-08-25T18:45:29Z Mark BruggemannHow to numerically integrate an ordinary differential equation in Python. Parsing data files with Pythonhttps://www.evergreeninnovations.co/tech-python-parsing/ 2018-11-23T18:08:02Z2020-08-25T18:45:30Z Mark BruggemannTechniques for effective parsing of data files in Python 3.