I am Victor Felder and vhf are the initials I usually use on the Internet.
I'm a university trained computer scientist. As a software engineer, I worked in Big Data for a while before deciding to go back to designing, implementing and scaling web backends.
I spend a lot of time contributing to the open-source ecosystem by authoring open-source tools and software, creating open-source projects, writing technical articles, filing issues and fixing bugs in interesting projects.
You can get in touch by writing to contact@ this domain (draft.li). You can also stalk me on github: https://github.com/vhf (opens new window)
a few projects
concise notes
my blog, I mostly write about technical things
as most bloggers do, I regret not writing more often
free programming books
a collection of free programming books featuring over 180 languages / topics / technologies in over 20 spoken languages
for a few years the most popular github repository with over 100.000 stars
adopted in 2017 by the Free Ebook Foundation
photographs
I have been practicing photography for years using different techniques, 35mm, medium format, digital
here is a series from a 2017 exhibition
confusable-homoglyphs
a Python package to deal with unicode homoglyphs
useful to prevent homoglyph attacks and IDN homograph attacks
adopted in 2024 by a new maintainer
generative art
custom algorithms producing artistic works through procedural logic, stochastic methods
space bar draws a new piece
photo blog
taken along the way
discontinued projects
v8 bailout reasons
a list of V8/Crankshaft bailout reasons
featuring reproductions, explanations and advices
monomorphist
a JavaScript performance companion
trace V8 optimization status of your functions