Mariano Martinez Peck

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Segfaults: GDB Scripts to the Rescue

Nov 10, 20208 min read

We recently discovered that we would very sporadically get a segmentation fault when running the whole test suite of the VAST Platform (VA Smalltalk) on Linux. During our initial investigation, we realized this was not something new, but that the pro...

“DLL Hell”: Tips & Tricks to Avoid it in VAST

Oct 21, 20209 min read

Delegating tasks from high-level languages like the VAST Platform (VA Smalltalk) to languages like C, C++, Rust via some kind of FFI (Foreign Function Interface) is becoming more and more common. Ideally, you would like to have everything implemented...

Troubleshooting Applications Running on Windows

Oct 8, 20206 min read

Over the past few months, I’ve been troubleshooting hard problems that have appeared when running the VAST Platform (VA Smalltalk) on Windows. Some of the problems were indeed bugs (like sockets leaking under a particular scenario) and some were just...

Deploying VASmalltalk on Amazon AWS ARM servers

Apr 14, 20206 min read

A while ago, I did some experiments with Amazon AWS and EC2 instances. Back then, they weren’t very different from a VPS except that you were charged based on the usage and the servers were easier to grow or shrink. But… much has changed since then a...

"El Carrillon" project featured in the RaspberryPi magazine MagPi

Feb 28, 20201 min read

Some time ago I blogged about a fantastic project Gerardo Richarte and I were doing with an 18-bell tower located in Argentina. Back then, I showed some details of the architecture, code, and how I mocked-up “El Carrillon” with a homemade LED piano s...

El Carrillon: playing MIDI songs on an 18-bell tower with a Raspberry Pi and Smalltalk

Dec 4, 20192 min read

Some time ago I blogged about a fantastic project Gerardo Richarte and I were doing with an 18-bell tower located in Argentina. Back then, I showed some details of the architecture, code, and how I mocked-up “El Carrillon” with a homemade LED piano s...