Category Archive for "programming"
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LoRaWan – Was ist das und was kann man damit machen?

In einem Satz könnte man LoRaWAN (Long Range Wide Area Network) wohl am besten beschreiben mit: Energiesparsame Methode zur Datenübertragung von IoT-Geräten über sehr weite Strecken mit sehr geringen laufenden Kosten. Der Use-Case Ein typischer Use-Case von LoRa ist:...

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Continuous Integration (CI) for open source projects

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Experience Report of my first Github Project

In this Blog entry I want to share the experiences I made with Github from a (frontend-)developer’s point of view. Explicitly I want to explain how I forked my first project submitted a PR (pull-request) to an existing repo...

openJPA clitch: Large Result Sets

You are handling with large result sets and need to fetch all results anyway? Remember JPA holds a pointer to your database with each request. So for instance this foreach will go back to the DB every 10...

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RxJS Recipe of the day: Cancel a click-triggered REST-Call, when the user clicks again.

Cancel a previouse event-triggered operation when a new event is triggered Or in other words: Cancel a click-triggered REST-Call, when the user clicks again. This is a very neat recipe, that is used pretty often in our daily workflow, imagine...

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Using the ELK Stack for tracking and analyzing custom App-Analytics