Blog.CarlRobitaille.org

Indiscriminate laziness

Play a G major chord “on guitar” using the ‘play’ command from the sox package

Posted on 2022/01/25 by Carl Robitaille

play -n synth pl G2 pl B2 pl D3 pl G3 pl D4 pl G4 delay 0 .05 .1 .15 .2 .25 remix – fade 0 4 .1 norm -1

Play a G major chord "on guitar" using the 'play' command from the sox package.
play -n synth pl G2 pl B2 pl D3 pl G3 pl D4 pl G4 delay 0 .05 .1 .15 .2 .25 remix – fade 0 4 .1 norm -1
— Command Line Magic (@climagic) January 21, 2022

SQL injection protection

Posted on 2022/01/20 by Carl Robitaille

SQL injection protection 😆😂 😉😉https://t.co/GDRyghFRQX pic.twitter.com/2jb9whbgrN
— nixCraft 🐧 (@nixcraft) January 18, 2022

There’s No Rule That Says We’ll Make It

Posted on 2022/01/20 by Carl Robitaille

Penrose: Create beautiful diagrams just by typing mathematical notation in plain text

Posted on 2022/01/12 by Carl Robitaille

Penrose: Create beautiful diagrams just by typing mathematical notation in plain text

4/4 You can check out the code used for the video above here: https://t.co/RbNTQiDzIX

The whole system is open source, and (if you're brave!) you can run it yourself: https://t.co/186CdooyAf

Still very much a work in progress… but well on its way!
— Keenan Crane (@keenanisalive) January 11, 2022

The Harvard Mark I was an early computer built during WW2

Posted on 2022/01/12 by Carl Robitaille

The Harvard Mark I was an early computer built during WW2. The engineers behind it were heavily inspired by Charles Babbage’s Analytical Engine. It weighed 5 tons.

Here's how long different operations took:
• ➕ 0.3s
• ✖️ 6s
• ➗15s
• Trigonometric function >60s pic.twitter.com/GSsKGJGJ0L
— Fermat's Library (@fermatslibrary) January 11, 2022

Unix / Linux: Maximum Character Length of Arguments In a Shell Command

Posted on 2022/01/12 by Carl Robitaille

Unix / Linux: Maximum Character Length of Arguments In a Shell Command

Unix / Linux: Maximum Character Length of Arguments In a Shell Command https://t.co/XJUr6dkAo9 via @nixcraft #InformationTechnology
— Cybersecurity Alerts (@secalertsasia) January 9, 2022

Visualizing the communication between email servers will help you understand what SPF, DKIM, and DMARC do and how these mechanisms work

Posted on 2022/01/12 by Carl Robitaille

Visualizing the communication between email servers will help you understand what SPF, DKIM, and DMARC do and how these mechanisms work

This is awesome. Visualizing the communication between email servers will help you understand what SPF, DKIM, and DMARC do and how these mechanisms work. https://t.co/PZYZovyGrW
— nixCraft 🐧 (@nixcraft) January 10, 2022