zellyn

Terminating Processes in the Terminal: Ctrl-C vs Ctrl-\

human (Aug 26, 2024, 03:54 PM)

When in my terminal, I've noticed that ctrl-\ seems to often work when ctrl-c won't. I used to use ctrl-z and then kill %+, but ctrl-\ appears to work in the same places that ctrl-z does. Can you explain to me what's going on? Why do they differ in when they work, and what signals are actually getting sent?

assistant (Aug 26, 2024, 03:54 PM)

You've made an astute observation about different ways to terminate processes in a Unix-like terminal. Let's break down what's happening with each of these commands and signals:

zellyn

Understanding Linear Types: A Conceptual Explanation

human (Sep 3, 2024, 04:36 PM)

Can you ELI5 Linear Types? I'm particularly interested in:

• a brief overview, detailed enough that I can "grok" them
• examples of languages that have successfully implemented them and gained some real-world usage (if any)
• how they might be incorporated into an otherwise simple language like Go or Hare

My current difficulty level is that I have a good conceptual overview-level understanding of Rust lifetimes, but haven't used them in anger. I deeply get the need, though: a C++ function that doesn't have a comment specifying what happens to ownership of the arguments is terrifying 🙂

zellyn

💬 Is a CvRDT basically a semigro...

human (Sep 3, 2024, 01:35 PM)

Is a CvRDT basically a semigroup?

assistant (Sep 3, 2024, 01:35 PM)

That's an insightful question that touches on the intersection of distributed systems and abstract algebra. Let's break this down:

zellyn

Installing CentOS

Notes

These instructions install ruby and rubygems from source, not from RPMs. For instructions on installing from RPMs, look at something like http://wiki.opscode.com/display/chef/Installation+on+RHEL+and+CentOS+5+with+RPMs or http://mykestubbs.com/blog/2010/03/chef-installation-on-centos-54.html

zellyn

bundlepi🐚 ~/gh/bundlepi main *+ bw run lenovo id
› lenovo  uid=0(root) gid=0(root) groups=0(root)
i ╭────────┬─────────────┬────────╮
i │ node   │ return code │ time   │
i ├────────┼─────────────┼────────┤
i │ lenovo │           0 │ 0.219s │
i ╰────────┴─────────────┴────────╯
bundlepi🐚 ~/gh/bundlepi main *+ bw -d lock add lenovo
[2023-07-12T08:31:19.257140] [DEBUG] invocation: /Users/zellyn/gh/bundlepi/.hermit/python/bin/bw -d lock add lenovo
[2023-07-12T08:31:19.327744] [DEBUG] node lenovo gets its dummy attribute from: default

zellyn

zellyn

Using the “displacement by noise” method from the Mathematica StackExchange discussion, but with SVG filters.

The filter unfortunately operates pixel-by-pixel. I tried changing the filterRes parameter, but it slowed things down badly.

Tested in Chrome 23 on Ubuntu Precise, and Chrome 22 on Mac OS 10.8.

Check out Dan Foreman-Mackey's more sophisticated version of xkcd-style graphs with d3.

Discuss this on Hacker News, Reddit, or Google+.

zellyn

alias csb="clear && printf '\e[3J'"

zellyn

rm -rf OpenEmulator-zellyn
git clone https://github.com/zellyn/OpenEmulator-OSX.git OpenEmulator-zellyn
cd OpenEmulator-zellyn
git checkout iie
git submodule update --init --recursive
open OpenEmulator.xcodeproj

zellyn

package main

import (
	"crypto/cipher"
	"crypto/des"
	"encoding/binary"
	"fmt"
)

var des3 cipher.Block