2 Determine the Language of a Document from the Letter Frequency – using Levenshtein Distance between sequences
Even though many languages share the same or a very similar alphabet, the use of letters in documents written in…
0 Tour de France Data Analysis using Strava data in Jupyter Notebook with Python, Pandas and Plotly – Step 2: combining and aligning multi rider data for analyzing and visualizing the Race
In this article, I analyze the race that took place in stage 14 of the 2019 Tour de France in…
0 Tour de France Data Analysis using Strava data in Jupyter Notebook with Python, Pandas and Plotly – Step 1: single rider loading, exploration, wrangling, visualization
In this article, I will show how to analyze the performance of Steven Kruijswijk during stage 14 of the 2019…
0 Analyzing the 2019 Tour de France in depth using Strava performance data from Race Riders
This year’s Tour de France was quite a spectacle. Great performances, exciting stages, unexpected events: it had it all. Analyzing…
0 Apache Camel and Spring Boot: Calling multiple services in parallel and merging results
Sometimes you have multiple services you want to call at the same time and merge their results when they’re all…
0 Monitoring Oracle Database using Prometheus
Prometheus is a very popular framework for gathering metrics from a plethora of runtime components, recording, analyzing, visualizing them and…
0 A transparent Spring Boot REST service to expose Oracle Database logic
Sometimes you have an Oracle database which contains a lot of logic and you want to expose specific logic as…
0 Dynamic tabs with Angular 6+ and ng-bootstrap
One of our Angular applications required the use of dynamic tabs. Since the project already uses ng-bootstrap components and bootstrap…
0 Test Automation Days 2019
Vorige week woensdag en donderdag (19 en 20 juni) werden de Test Automation Days gehouden. De eerste dag bestond uit…
0 Upgrade Failure as Blessing in Disguise?
or The Findings of an Failed Enterprise Manager Upgrade to OEM13.3 When Oracle Enterprise Manager Cloud Control 13.3 (here just…
0 Collective Data Set and Equal Data Position between B2B Partners in Data Sharing Ecosystems – enter: Blockchain
Many organizations collaborate in one or more ecosystems: groups of organizations that work together in vertical chain or share common…
0 Correlation calls for Common Cause Consideration
Correlation is a powerful thing. When two metrics rise and fall in a similar way, surely that cannot be just…
0 Custom Log Parser in OMC Log Analytics to deal with Extended Logging in WebLogic Access Log
We recently enabled Extended HTTP Access Logging on our WebLogic Managed Servers. This adds the average response times and potentially…
0 Graceful shutdown of forked workers in Python and JavaScript running in Docker containers
You might encounter a situation where you want to fork a script during execution. For example if the amount of…
0 Smoke Escaping from a Black Box – how to tackle major production issues on a system that is not very transparent
This story is based on true events. It happened fairly recently.I was called into an organization that was experiencing performance…
0 Performance! 3 reasons to stick to Java 8 for the moment
It is a smart thing to move to newer versions of Java! Support such as security updates and new features…
0 Differences between CloudFormation, Terraform and Ansible in deployment of objects in AWS
In this article, I will deploy a simple solution in AWS in three ways: via the AWS templates of CloudFormation,…
0 Using ElasticSearch, Fluentd and Kibana (for log aggregation)
In my last article I described how I installed ElasticSearch, Fluentd and Kibana (EFK). [https://technology.amis.nl/2019/04/23/using-vagrant-and-shell-scripts-to-further-automate-setting-up-my-demo-environment-from-scratch-including-elasticsearch-fluentd-and-kibana-efk-within-minikube/] In this article I will…
0 The Pipelined Pancake Party – demonstrating the Power of Parallelization and Pipelining in JavaScript with Promises and Asynchronous Generators
This article is an attempt to demonstrate the performance gains – and programming elegance – that is at our disposal…
0 JavaScript Pipelining using Asynchronous Generators to implement Running Aggregates
As of ES 2018 (recent browsers or Node 10), JavaScript support asynchronous generators. Generators are functions that return a set…