Johan LouwersGSM/5G basic radio signal interceptionGSM signal interception is the process of capturing and analyzing mobile communication signals using readily available civilian equipment…Jun 25Jun 25
Johan LouwersUse strict_slashes in Python FlaskFlask is a popular micro web framework for Python, designed to help developers build web applications quickly and efficiently. Its…May 24May 24
Johan LouwersSolved — Apache Spark "driverState": "FAILED" when using REST APIRecently I encountered a continuos error when submitting a new job to Apache Sprak via the REST API. All jobs submissions happen…Apr 28Apr 28
Johan LouwersHow to locally submit Apache Spark jobs explainedOnce you’ve set up your Apache Spark cluster and crafted the logic you wish to execute, the next natural step is to submit your job to the…Apr 18Apr 18
Johan LouwersEnable Apache Spark REST API on Oracle Cloud based Linux VMsApache Spark is a powerful, open-source, distributed computing system that has rapidly become a cornerstone in big data processing and…Apr 18Apr 18
Johan LouwersAutomate deploying Apache Spark on Oracle Cloud InfrastructureWhen working with Apache Spark, you may often require rapid development environments. Solutions akin to Vagrant are excellent for…Apr 16Apr 16
Johan LouwersTricking the Nasdaq API to talk to your python code in JSONWhen people need to download ticker symbols from Nasdaq, many will attempt to access the api.nasdaq.com API endpoint. For instance, making…Apr 16Apr 16
Johan LouwersNATO AWACS public flight data analyse with PythonDisclaimer; this blogpost has been written based upon public available information only.Apr 15Apr 15
Johan LouwersKNMI derived temperature with Inverse Distance Weighting in Oracle SQLIn this article we will build upon an earlier post where we outlined how you can calculate the distance between geographical coordinates…Apr 11Apr 11
Johan LouwersHaversine formula in Oracle SQLWhen calculating the distance between two point on earth you have choice between Haversine and Vincenty. The Haversine and Vincenty…Apr 5Apr 5
