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How to Bypass HP Cartridge Protection on Windows (LaserJet P1102)
If your HP LaserJet P1102 prints perfectly on Linux but outright refuses to print on Windows because of an "unofficial" toner cartridge, the hardware is not the problem. The issue is HP's status...
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What an amazing CGI ...
It is often said that reality surpasses fiction (I reckon Mark Twain's quote was "Truth is stranger than fiction, but it is because Fiction is obliged to stick to possibilities, Truth isn't."). That...
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Use IA for 2D nesting, they said ...
Well, I have gone down the rabbit hole of applying IA to solve free-form 2D nesting problems, but the results weren't what I expected. However, I have learned a lot of things in the process, and...
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The problem with Clonezilla ...
This is just a reminder, as I seem to stumble with the same rock every now and then. The problem is the keyboard configuration and the sometimes quick time window to perform a cloning operation. All...
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Using PyMeshLab
This document summarizes some of the usage of the pymeshlab library. Unfortunately, the library has been through severe changes over time, so some methods are renamed and filter calling conventions are...
View ArticleThe Problem: Why Batch Files Fail
I recently encountered an unusual error when trying to pass certain filenames to a Python app as inputs. After a moment, I realized the troubled ones had a comma in their filename, which should be...
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Remote KVM
I usually have Linux server boxes with only power and network cables. That works well most of the time, except when:You need to install the operating system.You screw up and render the system...
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Browser-based Peer to Peer file transfer
On your home LAN, it is easy to send files from one device to another, but when you are away from home, things get trickier. Of course, if you are visiting a friend's home, a USB drive can be a useful...
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AI killed the video star.
In the latest months, I have found myself questioning more and more often the shorts that YouTube is dropping on my feed. The point is not why they are there; the point is whether they are "real". And...
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Dropbox and Antigravity?
I was developing some software and using one folder in my Dropbox. At some point, I wanted to share the results with another person, so I shared that folder with him. After a while, I no longer needed...
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The art of wasting our time
For a couple of months now, I have been getting calls on my cellphone for a person who is not me. Usually, they are commercial cold calls, but given the influx, I started conversations with some of the...
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Arduino UNO Q first impressions
I attended a talk by David Cuartielles at the Universitat Politècnica de València, where he discussed bio-degradable PCBs. I was lucky that David gave me one of the new UNO Q boards. I couldn't wait to...
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Backing up your NAS
Ok, so you have your NAS and you have built it with some redundancy (RAID). But what if the whole thing dies (the system motherboard)? Well, at least you will need a spare unit. Nonetheless, having...
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STL file color information
My first recommendation is not to use that feature, but if it is a bit too late for me, as I did use it in the past. And old code needs some care from time to time.STL files represent triangular 3D...
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Just when you least expected it, they will screw you.
I was using Visual Studio Code with Gemini Code Assist to create a variation of an existing Python script. After a few minutes of back and forth, I got the desired code running. But when I try to run...
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Part contour simplification, with a twist
Many vector graphic algorithms have a cost proportional to the number of segments of the shapes involved. Thus, many different polygon simplification algorithms have been developed over the years. The...
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One step forward, one step backward
While it was nice to be able to get a faster 2D nesting code, its efficiency was far from perfect. So, looking at the nesting results, you could see how it could have been done much better in certain...
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Knocking my socks off!
As I mentioned in my previous entry, I migrated a library from Java to C++ to make it easier to use from Python. I tested its performance on both Linux and OSX, and it was on par with the Java version....
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Migrating a Java library to C++ so it can easily be used from Python
Today, we embarked on an ambitious software engineering journey: migrating a sophisticated 2D bin packing program from its original Java implementation into a high-performance C++ library, complete...
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From frustration to simplicity
Today, I set out to configure a remote access VPN for my small office. My first choice was L2TP/IPsec with StrongSwan and xl2tpd, mainly because it’s supported natively by Windows. It seemed like a...
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