goprint | Attempt at a windows printer in golang | 3D Printing library
kandi X-RAY | goprint Summary
kandi X-RAY | goprint Summary
See printer repo for a much more user friendly printer. After many hours of trying to get my printer working, I ended up using some of the code found there so I could print PDFs on windows. NOTE: This implementation heavily depends on the printer itself to draw complex document types such as PDFs as the code isn't doing any of the drawing. Therefore, try sending a simple text file to your printer first. This should work in all cases that I have tested. Then if more complex document types don't work, this will be due to the printer not being able to read and convert that document type itself. If posting issues, please try this first and specify which printer you're using. UPDATE: I switched to a Linux server and use CUPS with the proper drivers. This allows you to fully control the printer(duplex, stapling, etc) from a CLI. UPDATE: 2021-03-05: New features added as well as new printing, duplex and setting default printer. Existing functions were left alone and not modified so the package is safe to download without losing existing features.
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Top functions reviewed by kandi - BETA
- List all printers .
- GetPrinterNames returns a list of printer names .
- startPrinter starts a file descriptor .
- utf16PtrToStringSize converts a uint16 to a string .
- OpenPrinter calls syscall . OpenPrinter .
- GoPrint is a wrapper around GoPrint .
- writePrinterFunc calls writePrinter .
- openPrinterFunc calls openPrinter with the specified name and returns the handle .
- enumPrinters calls EnumPointersW .
- OpenPrinter2 is a wrapper for OpenPrinter2 .
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QUESTION
i'm printing the input values of my ionic app into table format and i noticed there 's a text "NaN" showing up on top of the table. is there something in the code that causes this? how do i remove it?
here's my code for the controller.js:
...ANSWER
Answered 2017-Apr-25 at 04:42NaN, means Not a Number.. So check the calculation for the variable where you are getting NaN. One of the reason for getting NaN value can be a x/0 (where division by 0 is not allowed). Or doing math operation on string varable. If you can show where exactly you are getting this error, then we can help more.
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