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@justintanner
justintanner / emacs_hammerspoon.lua
Last active April 29, 2023 23:58
Emacs Hammerspoon Script
--- Emacs Hammerspoon Script
-- Author: Justin Tanner
-- Email: work@jwtanner.com
-- License: MIT
--- What does this thing do?
-- Allows you to have Emacs *like* keybindings in apps other than Emacs.
-- You can use Ctrl-Space to mark and cut text just like Emacs. Also enables Emacs prefix keys such as Ctrl-xs (save).
--- Installation
@mcastelino
mcastelino / iptables-cheatsheet.md
Last active May 2, 2024 21:27
iptables-cheatsheet

The netfilter hooks in the kernel and where they hook in the packet flow

The figure below calls out

  • The netfilter hooks
  • The order of table traversal
@chenshuo
chenshuo / score_rank.cc
Created March 3, 2012 16:13
Update score and get rank in real time
#include <vector>
#include <assert.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
typedef int32_t Score;
typedef int32_t UserId;
typedef int32_t Rank;
const Score kInvalidScore = -1;