What does Elevation in DrawShadow do exactly?

I know that Flutter’s Canvas.drawShadow translates to Skia’s SkShadowUtils::DrawUtils, where the elevation on the Flutter side affects the zPlaneParams on the Skia side (see the flutter::PhysicalShapeLayer::DrawShadow engine implementation, which is called with dpr from Canvas::drawShadow which is directly called from Dart), however, I cannot at all figure out how elevation behaves when drawing a shadow…

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How to configure AWS4 S3 Authorization in Django?

I configurred S3 bucket for Frankfurt region. Though my Django-based service is able to write files to the bucket, whenever it tried to read them there’s InvalidRequest error telling to upgrate authorization mechanizm: <Error> <Code>InvalidRequest</Code> <Message> The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256. </Message> <RequestId>17E9629D33BF1E24</RequestId> <HostId> … </HostId> </Error> Is…

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How to dynamically initialize an object within an inner class in Python 3?

I am leveraging the SeriesHelper object of InfluxDB library(please have a look at https://influxdb-python.readthedocs.io/en/latest/examples.html#tutorials-serieshelper) to push set of data points to InfluxDB. The SeriesHelper class has to be inherited and the child class needs to initialize various objects as its meta attributes, so as to override the default values of the objects in the Parent…

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