mailerlite API error code 422 for subscribers endpoint

By darling | 2022-05-19

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

By darling | 2022-05-12

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

By Maximilian Batz | 2021-08-14

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

By Maximilian Batz | 2020-08-09

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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enabling and disabling a systemd service in Python using DBus

By Maximilian Batz | 2020-08-01

The upcoming picockpit-client reacts to deletion events from the frontend by disabling it’s service (the application will stay installed, however). Similarly, when you decide to run picockpit-client connect again, the service will be re-enabled and started automatically for you. This is possible using the Python DBus interface. the DBus is a bus system for interacting…

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How to set unique object ids in embedded documents across a MongoDB collection

By Maximilian Batz | 2020-07-24

MongoDB’s updateMany can be used to update all documents which are matched. Problem If, however, you want to set unique new ObjectIDs in your update, you would find that MongoDB sets the same ObjectID for every entry: db.getCollection(‘mypis_collectedpis’).updateMany({}, {$set:      {apps: {         “com.picockpit/core”: {             meta: {                 version: “2.0”,                 name: “PiCockpit Core”,                 image: “”,                 description: “PiCockpit.com…

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