OOP Fundamentals: The Decorator Pattern

The decorator pattern is one of my favorite patterns. It is simple, extensible and powerful. It feels like it follows the essence of object oriented programming beautifully. Sadly though, it is also easy to be misused or misunderstood. So, in this post I will show you the essence of the decorator pattern, illustrated with a few examples.

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OOP Fundamentals: The Dependency Inversion Principle

The dependency inversion principle is one of the cornerstones of object-oriented programming. Without it, there is no object-oriented design. It’s that important.

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Integrating your dev workflow with WSL

Windows Subsystem for Linux, or WSL for short, is a quite impressive piece of technology, and one of the best moves Microsoft could have made to attract developers. Particularly web developers.

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Math in a FileMaker field, for Inputter’s sake

Editor’s Note: An often-ignored reality of data management is that entering data, correctly and cleanly, into all of these database apps we build can be a royal pain in the…
Assumptions can be dangerous, like assuming that your office manager-doubling-as-bookkeeper wants to manually calculate tax on every Invoice row. Or even has the time to.

Not many job titles (anymore) are simply “Data Entry Manager,” and yet entering data is a task that continually must be managed, by one or by many, in the role of “Inputter”. Just entering data can be tedious enough — so, let’s not make it harder. In fact, let’s strive to make it easier. With that in mind, Beezwax Senior Developer Christos Savva provides an example of performing math in a FileMaker field, using a custom function. This is designed to improve data entry user experience, for the sake of Inputters everywhere.

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Setting FileMaker’s startup file from CLI

We had a client that was upgrading their system to FileMaker 18. They had already pushed new FileMaker Pro clients out to their user’s desktops. But now that the upgraded system was ready, how could they give users a quick and easy way to launch right into the new database system?

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How to enable WebKit and JavaScript debugging in FileMaker Web Viewers

FileMaker supports bidirectional communication between a web viewer and data or scripts. So, you may find yourself doing more development using plenty of web code and JavaScript integrations.

If you’re having difficulty getting your HTML, CSS, or JavaScript to render in a FileMaker web viewer, there’s a great way to help inspect and fix it. You just need to know the hidden option to enable WebKit debugging in FileMaker web viewers.

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Common Code Smells in OOP

Over years of reviewing Ruby code, the same things tend to come up over and over. In this post, I’d like to address some of the most common code smells I find when reviewing OOP code (and Ruby code in particular).

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Claris Connect in action

Doing the simple is hard. Someone recently reminded me of this when discussing business workflow. Tasks like scheduling, calendaring, communicating and sending notifications are individually manageable, in a world where tools for these tasks exist online. Calendars, email, databases, Slack, and a collection of other apps and services make this possible.

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Installing the Zabbix 4.2 Monitoring Agent

On our FileMaker Cloud for AWS servers, which are currently CentOS 7.6 based, we are typically installing the Zabbix monitoring agent. With one exception, installing the Zabbix agent is a relatively quick and easy procedure.

Although not required, installing the agent allows gathering more data on your servers than a Zabbix server alone.

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