save
Flutter: How would one save a Canvas/CustomPainter to an image file?
You can capture the output of a CustomPainter with PictureRecorder. Pass your PictureRecorder instance to the constructor for your Canvas. The Picture returned by PictureRecorder.endRecording can then be converted to an Image with Picture.toImage. Finally, extract the image bytes using Image.toByteData. Here’s an example: https://github.com/rxlabz/flutter_canvas_to_image
Saving from List to txt
There’s a handy little method File.WriteAllLines — no need to open a StreamWriter yourself: In .net 4: File.WriteAllLines(speichern, ausgabeListe); In .net 3.5: File.WriteAllLines(speichern, ausgabeListe.ToArray()); Likewise, you could replace your reading logic with File.ReadAllLines, which returns an array of strings (use ToList() on that if you want a List<string>). So, in fact, your complete code could … Read more
Bokeh: save plot (as HTML) but don’t show it
Solution is to replace calls to show by calls to save.
Get SVG from canvas element and save it
If you want to preserve it as a vector graphic instead of as a raster, you can try one of the libraries that translate the canvas API operations to svg. For SVGKit: var svgkitContext = new SVGCanvas(150,150); function draw(ctx) { // … normal canvas drawing commands go here … } // draw to SVGKit canvas … Read more
Question about batch save objects in Django
As of Django 1.4, there exists a bulk_create() method on the QuerySet object, which allows for inserting a list of objects in a single query. For more info, see: Django documentation for bulk_create Django 1.4 release notes The ticket that implemented this feature