Kemal routing redirecting a subtree

This code snippet shows you how to redirect an entire subtree and remove the first part of the subtree. This might come in useful, for example when you have outside links referencing different languages (e.g. /de /fr /it) and content paths in them, and you want to serve everything from the same endpoints. Crystal Lang…

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Using plink (Pageant) on Windows 10 with Git for Windows

The current Git for Windows installer does not allow me to select Tortoise Plink during the installation, as was described here on Stackoverflow. Instead I followed the installation, and set an environment variable. Select “Use bundled OpenSSH” here. search for “enviro” in the Windows search. (my screenshot is in German, but it will find the…

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mailerlite API error code 422 for subscribers endpoint

Today, I was implementing the interfacing between PiCockpit.com and the Mailerlite API (which we use aus our newsletter software). https://api.mailerlite.com/api/v2/subscribers I got the following error message: The POST request was returning 422 as status code. Unfortunately there is little documentation about that on Mailerlite. My implementation was correct (this is Crystal Lang by the way):…

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npm Webpack code ELIFECYCLE errno 1

When building the PiCockpit frontend code (which is packaged using Webpack) on a different computer, I ran into the following issue: cross-env NODE_ENV=production webpack –progress –hide-modules –mode=productiontype: ‘object’,additionalProperties: true,properties: {apply: {description: ‘The run point of the plugin, required method.’,instanceof: ‘Function’,tsType: “(compiler: import(‘../lib/Compiler’)) => void”}},required: [ ‘apply’ ]}},title: ‘WebpackOptions’,description: ‘Options object as provided by the user.’,type:…

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Synchronizing file uploads between browser windows

For PiCockpit, I am currently developing the Digital Nose app. This app requires an upload for the BSEC configuration file – which is binary data. Once the user uploads the file, it gets published via MQTT, and picockpit-client can use it to configure the BSEC AI algorithm to do gas detection. Here is a little…

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Vuetify :: Open detail row programmatically

For the upcoming PiCockpit v2.0 release, I am preparing a GPIO application. The GPIO entries are table rows – and to configure them, we want to be able to access the detail row by clicking on the configure button: clicking either the chevron or the configure button will lead to the detail row opening: Here…

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