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Tristan Hume trishume

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trishume /
Created May 30, 2022
GDB scripting with GEF
c = gdb.execute
def a(x):
return f"*{hex(x)}"
def w(x):
return f"*(char*){hex(x)}"
class Puppet(GenericCommand):
"""Puppeteer the session"""
trishume / etrace.el
Last active Oct 25, 2020
See new Github Repo version: - Emacs Latency Tracing for the Chromium Catapult Trace Event Format.
View etrace.el
;; This gist has been superseded by a Github repo, new activity will
;; happen at
;;; etrace.el --- Emacs Lisp Tracer -*- lexical-binding: t -*-
;; Released under the MIT license, Copyright Jane Street Group, LLC
;; This module modifies the instrumentation profiler included with
;; Emacs called "elp" to also record trace events for the beginning
;; and end of function calls, and provides a function to write out
;; those events in Chromium JSON trace format.
trishume / LatencyTester.ino
Last active Jul 13, 2021
Latency Tester and Foot Pedals Teensyduino sketch
View LatencyTester.ino
// Tristan's Foot Pedals and Latency Tester Arduino Program
// Provides 5 buttons: left click, right click, scroll up, scroll down, latency test
// If you don't want all of these you can comment out the buttons you don't need.
#include <Bounce2.h>
#include "Keyboard.h"
const int scrollInterval = 80;
trishume / Flagsifier.ipynb
Created May 14, 2018
DEF CON Quals 2018 Flagsifier Notebook
View Flagsifier.ipynb
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trishume / burn.rb
Created Jul 18, 2017
CPU load tester for Sublime
View burn.rb
# Sublime load test for
# On my 15" 2016 rMBP:
# 4 is not noticeable
# 8 is noticeable and just barely keeps up with typing
# 20 lags way behind my typing
def compute_things()
sum = 0
10_000.times do |i|
trishume /
Created Jul 5, 2017
Faster Rust benchmark that still gives no information
pub fn suffix_vec_ref(s: &str) -> Vec<&str> {
let mut vec = Vec::with_capacity(s.len());
let mut slice = &s[1..];
while !slice.is_empty() {
slice = &slice[1..];
trishume / merlin-sublime-popups.patch
Created Mar 30, 2017
Patch to add type inference and definition popups to Sublime Text's Merlin plugin
View merlin-sublime-popups.patch
diff --git a/Packages/Merlin/ b/Packages/Merlin/
--- a/Packages/Merlin/
+++ b/Packages/Merlin/
@@ -248,6 +248,57 @@
opened_view.run_command("insert_code", { "arg": sig })
+class MerlinInfoPopup:
+ """
+ Pop up a menu at a point describing an expression
trishume / unix201.txt
Created Mar 22, 2017
CS Club Unix 201 Content
View unix201.txt
Unix 201:
☐ Man pages (including searching)
☐ The internet
Customizing your prompt:
☐ Basic PS1
☐ Fancy stuff
☐ Basics
☐ ranger-cd
trishume /
Last active Jan 4, 2017
PackageJsonForCompilers/Esy and Nix

This is a response to a tweet by @jordwalke asking me about Nix and PackageJsonForCompilers. Twitter is too short form to answer well, so I wrote up some thoughts here. I might turn this into a blog post at some point.


Nix is a package manager, but also a meta-build system and deployment system. It works based off a global /nix/store/ folder where everything is stored keyed by a hash of its description and the description of all its dependencies. This way you can have multiple versions of any package, and not only that different copies of the same version compiled against different versions of its dependencies or with different compile flags. All dependencies must be fully specified and the way the building works enforces this completely. This way completed binaries can be served from a "cache" with no issue. This gives the best of source-based package managers and binary ones.

The way it handles build vs. runtime depe

trishume / 0-sublime.json
Created Oct 5, 2016
Current Sublime Text settings
View 0-sublime.json
"auto_complete_commit_on_tab": true,
"characters": "<",
"selector": "text.html"
"characters": ".",