A cron job that worked perfectly for six months suddenly runs two hours early. A payment dashboard shows yesterday's revenue in today's column. Session tokens expire at unpredictable times. These bugs ...
A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...
The Mysql2 gem is meant to serve the extremely common use-case of connecting, querying and iterating on results. Some database libraries out there serve as direct 1:1 mappings of the already complex C ...
A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...
Learn core database concepts by implementing a Python key-value store with crash recovery and efficient writes. In this tutorial, we’ll build a simple but functional database from scratch with Python.
Quite often in my practice, I see people use varchar fields with a small and limited number of available options. Let's check out today what field data type is better and will be the best approach for ...
NodeMCU is a low-cost open-source IoT platform that initially included firmware which runs on the ESP8266 Wi-Fi SoC from Espressif Systems, and hardware which was based on the ESP-12 module. If you ...
Occasionally it may be useful to visualize a continuous stream of data arriving through a serial connection as a web page in a browser. But how do you go about? May we suggest a bit of scripting?
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