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COWABUNGA !!

Sri Kadimisetty kadimisetty

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COWABUNGA !!
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  1. Every atomic object has a timeline (TL) of writes:

    • A write is either a store or a read-modify-write (RMW): it read latest write & pushed new one.
    • A write is either tagged Relaxed, Release, or SeqCst.
    • A read observes some write on the timeline:
      • On the same thread, future reads can't go backwards on the timeline.
      • A read is either tagged Relaxed, Acquire, or SeqCst.
      • RMWs can also be tagged Acquire (or AcqRel). If so, the Acquire refers to the "read" portion of "RMW".
  2. Each thread has its own view of the world:

  • Shared write timelines but each thread could be reading at different points.
@kconner
kconner / macOS Internals.md
Last active July 10, 2025 04:32
macOS Internals

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options:

@dicej
dicej / type-systems.txt
Last active December 17, 2024 08:24
Type system learning notes
Classes
* Keith Devlin - Introduction to Mathematical Thinking - https://www.coursera.org/learn/mathematical-thinking
* Michael Genesereth - Introduction to Logic - https://www.coursera.org/learn/logic-introduction
* Robert Harper - Homotopy Type Theory - http://www.cs.cmu.edu/~rwh/courses/hott/
Books and Articles
* Benjamin C. Pierce - Types and Programming Languages - https://www.cis.upenn.edu/~bcpierce/tapl/
* x775 - Introduction to Datalog - https://x775.net/2019/03/18/Introduction-to-Datalog.html
* Bartosz Milewski - Category Theory For Programmers - https://bartoszmilewski.com/2014/10/28/category-theory-for-programmers-the-preface/
* Benjamin C. Pierce et al. - Software Foundations - https://softwarefoundations.cis.upenn.edu/
@graninas
graninas / haskeller_competency_matrix.md
Last active June 27, 2025 16:13
Haskeller competency matrix
@LukeMathWalker
LukeMathWalker / audit.yml
Last active June 26, 2025 08:17
GitHub Actions - Rust setup
name: Security audit
on:
schedule:
- cron: '0 0 * * *'
push:
paths:
- '**/Cargo.toml'
- '**/Cargo.lock'
jobs:
security_audit:
@germsvel
germsvel / .projections.json
Last active June 24, 2025 07:45
Elixir/Phoenix basic projections
{
"lib/**/views/*_view.ex": {
"type": "view",
"alternate": "test/{dirname}/views/{basename}_view_test.exs",
"template": [
"defmodule {dirname|camelcase|capitalize}.{basename|camelcase|capitalize}View do",
" use {dirname|camelcase|capitalize}, :view",
"end"
]
},
@MaximeWack
MaximeWack / elmtags.py
Created September 30, 2018 21:52
Tag generator for Elm files
#! /usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import print_function
help_text = """
Extracts tags from Elm files. Useful for the Tagbar plugin.
Usage:
Install Tagbar (http://majutsushi.github.io/tagbar/). Then, put this file
{ config, lib, pkgs, ...}:
with lib;
let
cfg = config.services.batteryNotifier;
in {
options = {
services.batteryNotifier = {
enable = mkOption {
@yossorion
yossorion / what-i-wish-id-known-about-equity-before-joining-a-unicorn.md
Last active July 12, 2025 14:53
What I Wish I'd Known About Equity Before Joining A Unicorn

What I Wish I'd Known About Equity Before Joining A Unicorn

Disclaimer: This piece is written anonymously. The names of a few particular companies are mentioned, but as common examples only.

This is a short write-up on things that I wish I'd known and considered before joining a private company (aka startup, aka unicorn in some cases). I'm not trying to make the case that you should never join a private company, but the power imbalance between founder and employee is extreme, and that potential candidates would