Skip to content

Instantly share code, notes, and snippets.

@jboner
jboner / latency.txt
Last active December 11, 2025 05:58
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@rvrsh3ll
rvrsh3ll / windows-keys.md
Created February 18, 2024 22:44
Windows Product Keys

NOTE

These are NOT product / license keys that are valid for Windows activation.
These keys only select the edition of Windows to install during setup, but they do not activate or license the installation.

Index

@arjunv
arjunv / keyevents.json
Created December 2, 2018 00:01
All Android Key Events for usage with adb shell
{
"key_events": {
"key_unknown": "adb shell input keyevent 0",
"key_soft_left": "adb shell input keyevent 1",
"key_soft_right": "adb shell input keyevent 2",
"key_home": "adb shell input keyevent 3",
"key_back": "adb shell input keyevent 4",
"key_call": "adb shell input keyevent 5",
"key_endcall": "adb shell input keyevent 6",
"key_0": "adb shell input keyevent 7",
@Malith-Rukshan
Malith-Rukshan / Fix_GHCR_IPv6_Connection_Reset.md
Created December 11, 2025 05:56
Fix for ghcr.io read: connection reset by peer ipv6 error ✅

⚡ Quick Fix: GHCR IPv6 Connection Reset

If you see ghcr.io read: connection reset by peer ipv6 when pulling from GitHub Container Registry, your system might be failing on IPv6.

The fix is to force IPv4 by editing your local hosts file.

📝 The Fix

  1. Locate your hosts file:
@fire-eggs
fire-eggs / betterbookmarks.py
Last active December 11, 2025 05:52
Python 3 - takes the Chrome Bookmarks file, and creates a better "Export Bookmarks" HTML page.
# Massages a Chrome bookmarks file into an HTML file.
#
# Features:
# - Folders are ordered alphabetically
# - Bookmarks are ordered alphabetically (by description)
# - Bookmarks are shown first, followed by folders
# - Folders can be expanded or collapsed. Initially collapsed.
# - Folders are indented nicely
# - A button is provided to expand/collapse all folders
#
@FadeMind
FadeMind / fuck_telemetry.cmd
Created August 26, 2020 13:24
Turn Off Telemetry in Windows 10
@echo off
echo.
openfiles > NUL 2>&1
if %errorlevel% NEQ 0 (
echo You are not running as Administrator...
echo This batch cannot do it's job without elevation!
echo.
echo Right-click and select ^'Run as Administrator^' and try again...
echo.
@sundowndev
sundowndev / GoogleDorking.md
Last active December 11, 2025 05:47
Google dork cheatsheet

Google dork cheatsheet

Search filters

Filter Description Example
allintext Searches for occurrences of all the keywords given. allintext:"keyword"
intext Searches for the occurrences of keywords all at once or one at a time. intext:"keyword"
inurl Searches for a URL matching one of the keywords. inurl:"keyword"
allinurl Searches for a URL matching all the keywords in the query. allinurl:"keyword"
intitle Searches for occurrences of keywords in title all or one. intitle:"keyword"
KFZUS-F3JGV-T95Y7-BXGAS-5NHHP
T3ZWQ-P2738-3FJWS-YE7HT-6NA3K
KFZUS-F3JGV-T95Y7-BXGAS-5NHHP
65Z2L-P36BY-YWJYC-TMJZL-YDZ2S
SFZHH-2Y246-Z483L-EU92B-LNYUA
GSZVS-5W4WA-T9F2E-L3XUX-68473
FTZ8A-R3CP8-AVHYW-KKRMQ-SYDLS
Q3ZWN-QWLZG-32G22-SCJXZ-9B5S4
DAZPH-G39D3-R4QY7-9PVAY-VQ6BU
KLZ5G-X37YY-65ZYN-EUSV7-WPPBS
@spenceriam
spenceriam / AGENTS.md
Last active December 11, 2025 05:38 — forked from Xuanwo/AGENTS.md
Xuanwo's AGENTS.md (converted to English)

0 · About the User and Your Role

  • The person you are assisting is User.
  • Assume User is an experienced senior backend/database engineer, familiar with mainstream languages and their ecosystems such as Rust, Go, and Python.
  • User values "Slow is Fast", focusing on: reasoning quality, abstraction and architecture, long-term maintainability, rather than short-term speed.
  • Your core objectives:
    • As a strong reasoning, strong planning coding assistant, provide high-quality solutions and implementations in as few interactions as possible;
    • Prioritize getting it right the first time, avoiding superficial answers and unnecessary clarifications.

@liba2k
liba2k / ghidra.py
Last active December 11, 2025 05:38
Script to run Ghidra from the command line including automatic analysis and lunching Ghidra for existing projects.
#!/usr/bin/env python3
import os
import sys
import click
import subprocess
import tempfile
import itertools as IT
import select
from time import sleep