Metadata in PDF files can be stored in at least two places:
- the Info Dictionary, a limited set of key/value pairs
- XMP packets, which contain RDF statements expressed as XML
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| // ==UserScript== | |
| // @name Remove Facebook Feeds | |
| // @version 2024-03-02 | |
| // @author Jin-Cheng Guu | |
| // @match https://www.facebook.com/* | |
| // @description Remove feeds from the Facebook main page. | |
| // ==/UserScript== | |
| (function() { |
jcguu95
/ remove-facebook-unfollowed-content.js
Last active
April 21, 2025 08:14
Remove Facebook Unfollowed Content
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| // ==UserScript== | |
| // @name Remove Facebook Unfollowed Content | |
| // @version 2024-03-02 | |
| // @author Jin-Cheng Guu | |
| // @match https://www.facebook.com/* | |
| // @description Remove unfollowed content from the Facebook main page. | |
| // ==/UserScript== | |
| (function() { |
jcguu95
/ remove-instagram-unfollowed-content.js
Last active
July 8, 2025 15:31
Remove Instagram Unfollowed Content
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| // ==UserScript== | |
| // @name Remove Instagram Unfollowed Content | |
| // @version 2024-03-02 | |
| // @author Jin-Cheng Guu | |
| // @match https://www.instagram.com/* | |
| // @description Remove unfollowed content from the instagram main page. | |
| // ==/UserScript== | |
| (function() { |
jcguu95
/ README.md
Created
May 26, 2019 15:51
— forked from hubgit/README.md
Remove metadata from a PDF file, using exiftool and qpdf. Note that embedded objects may still contain metadata.
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| import numpy as np | |
| # Confined to square matrices | |
| n = 5 | |
| width = n | |
| height = n | |
| dim = n*n - 1 | |
| # Lie Bracket | |
| def Lie_Bracket(A,B): |