qoa | Minimal interactive command-line prompts | Command Line Interface library
kandi X-RAY | qoa Summary
kandi X-RAY | qoa Summary
Lightweight and without any external dependencies qoa enables you to receive various types of user input through a set of intuitive, interactive & verbose command-line prompts. The library utilizes a simple & minimal usage syntax and contains 7 configurable console interfaces, such as plain text, confirmation & password/secret prompts as well as single keypress, quiz & multiple-choice navigable menus. You can now support the development process through GitHub Sponsors. Visit the contributing guidelines to learn more on how to translate this document into more languages. Come over to Gitter or Twitter to share your thoughts on the project.
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QUESTION
I am currently running a Java Spring Boot program that should return a response that includes two Excel files (.xlsx) as ByteArrayOutputStream's in the ServletOutputStream as Content-Disposition: attachment;
However, upon returning that response to chrome, it isn't downloading anything.
The Excel files are generated using the Apache POI and then they're being written to a ByteArrayOutputStream.
Here's my code on the file generation
...ANSWER
Answered 2021-Sep-12 at 13:50You are returning multiple files directly. To respond multiple file compress them and send them as zip file. Also in the code you are first setting the content type and then updating the contentType.
QUESTION
I'm creating a signed PDF by code and I receive this error for some reason:
At least one signature is invalid - Document has been altered or corrupted since it was signed
I used DSS attribute with VRI, Certs and CRLs. The important mention is that I use versions as I saw on other articles that talk about this procedure. So I have the signature in the first part (with Contents<> and ByteRange[]) and the DSS with his children in the second part. I noticed that if I remove the second generated part, Adobe Acrobat gives me the:
Signed and all signatures are valid
Therefore I'm assuming that the Contents/ByteRange works well and the problem arise when Acrobat tries to verify the signature with the informations from the second part.
Here are both samples:
Only the first part (second removed manually after creation)
...ANSWER
Answered 2020-Feb-25 at 09:32Solution
the initial cross references must be continuous and may not have gaps. Adobe Reader signature validation sometimes is picky in such details, in particular when validating later revisions
by mkl
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