Updated 2026-02-24: Added relevant links to past blog entries as the blog migration process has complete. Hello, World! In 2025, we planned to bring some really exciting upgrades to our main website, reinhart1010.id. And that plan didn't work even until the end of this year.
Continue reading...When you try to set up a self-hosted AirPrint print server with Linux and CUPS, your iPhone or iPad may only allow you to print in Legal and Letter sizes, instead of your-preferred A4. You can set up the following steps to make sure that…
Continue reading...Algorithm complexity is a measure of how much it takes to run a certain algorithm. The "it" thing could be either time or memory. The longer or larger the algorithm takes to complete their operation. The shortest possible value of complexity would be O(1), where for every number of inputs,…
Continue reading...A data model is simply an exemplary role model for organizing data, that is, how certain data should look, be organized, and behave in general. Update 27 March 2025: Significant addition and revision on the Relationships section. This includes differentiating a Relation (which is practically known as a Table) with a…
Continue reading...Data, information, and knowledge are three related, but different things. These three relates on how humans and businesses observe and work in their environment, which can be practically applied to information systems. Data refers simply to raw facts and figures. Alone it tells you nothing. The…
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