Adding an overlay to each page of a pdf file
We can use PostScript’s Endpage
procedure to e.g. add a signature to each
page of a PDF file, using only ghostscript.
We can use PostScript’s Endpage
procedure to e.g. add a signature to each
page of a PDF file, using only ghostscript.
As of TeXLive 2015 there is no TeXLive binary for FreeBSD included anymore. So I’m building my own, using …
By accident I checked 60-odd full-size photographs into the git history of my
website. I shrunk them in a next commit, but the history was still there
leading to a bloated .git
directory. This took a lot of time when making
backups. This documents how I cleaned up this mess.
This article contains several useful tricks for manipulating PDF files.
The focus of this article is on Open Source and Free software, that are available for UNIX-like operating systems. These tools are made for use on the command-line of a shell.
Using Acrobat Reader’s ability to add text et cetera has proven unreliable for me. On multiple occasions I have lost all the text added to a PDF file. When your filling in 20-plus pages worth of permit forms this is a huge waste of time and extremely annoying.
So I set out to find another way using the free and open-source tools I have available.
Since the previous article [1] I’ve updated TexLive to 2016. This comes with asymptote 2.38, but not with …
This article is a write-up of what I learned trying to extract information from
ms-office xlsx
files using Python.
Inspired by this blog post by Julia Evans, I set up a quick way to find files in my home directory. This howto is based on FreeBSD, but should work (with some tweaking maybe) on Linux and OS-X as well.
in a previous article we saw how a desktop scanner can be used for macro photography. Often it would be handy to include a visual reference of the scale of such pictures. In this howto I’m using asymptote to add accurate scales next to the picture.