Installing shell scripts from Github with Basher
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Writing a Language
In this tutorial I’m gonna show you how to write a very simple programming language called Ygor. The language itself is just a placeholder for what I really ...
Postgres command line
I find the postgres command line tools slightly annoying to use, so I wrote pg.
A Package Manager For Shell Scripts
In this post I’ll introduce basher, a package manager for shell scripts.
Project Euler - Problem 1
In this post I’ll show how to solve the first problem on Project Euler using Marco, while at the same time introducing some new features of the language.
Marco Revamp
Ever since Marco’s fourth rewrite (when things finally started to get serious), it has been heavily inspired by Lisp. One of my initial goals was to have a m...
Tail Call Optimization in Marco
One of the main goals of the Marco language is that the interpreter code should be very easy to understand. It should be possible for almost any programmer w...
Constant Time List Length
The current length
Optimizing Function Closures
In this post I want to talk about optimizations for function closures.
Trampolining in Marco
In this post I’ll show how to “better” solve the collatz challenge from the previous post by escaping the limitations of the Java stack.
The Collatz Conjecture
In this post I’ll try to solve the Collatz challenge using Marco.
Aqui é Assim
“O pessoal daqui não sabe de nada não.
Practical Development of Programming Languages
In this post I’ll comment about the tools I’m using for developing Marco.
Evaluation Rules of Marco
Marco’s evaluation rules are a simplified form of Racket’s. I’ll summarize them here.
Functions in Marco
In this post I’ll describe the basics of functions in Marco. They behave mostly like Racket functions, except without any syntactic sugar or variadic functio...
Binding Semantics in Marco
In this post I will describe the binding semantics of Marco, the language I am developing which you can find here.
Shadowing
In Ruby you can do this:
Misleading Bad Code
Bad code gives me anxiety. Sometimes I even get physically sick. Subtle bad code is even worse.
Single Responsibility Principle
A quick google search for single responsibility principle for me returns these top 5 results, all of which contain this saying in one way or another:
Migrating to GitLab Cloud
In my current project we have recently reached the 10 private repositories limit on GitHub. What now?
Testing SML
I’m currently taking a course on Programming Languages, by Dan Grossman, which you can find for free here.
Speed up SSH
According to the ssh_config(5) man page, ssh can have the following options: ControlMaster, ControlPath and ControlPersist
Automating Vagrant 1.2.3 with Rake
For my current project, I need to run a script after creating a VM. Of course I could package the new VM with the modifications already done, but by running ...
The Supercomputer
What would you do if you had the most powerful super computer available to you at any time?
On Writing
How do people write their blogs? I Imagine people writing on airplanes, doctor waiting rooms, lunch time breaks, after coming home from work, before going to...
Learning the Piano and Doing the Impossible
Recently I started using Synthesia to try and learn piano again. It has been amazing so far.
Console Habits
Some time ago, Duck wrote a very small shell script to check our console habits. Here is my current version, after some modifications. It uses history from z...
This is an experiment
Of a personal page.