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@peterc
peterc / sinatra-react.md
Last active February 20, 2025 18:20
How to set up a basic Sinatra + React webapp

How to set up a basic Sinatra + React webapp in 2025

Let's say you want to use Ruby for the backend of a basic webapp but React on the frontend. Here's how.

(Note: All tested on January 13, 2025 with Ruby 3.3, Sinatra 4.1.1, and React 18.3. Configs may change over time.)

First, create the app folder and set up Sinatra:

mkdir my-sinatra-react-app
@hackermondev
hackermondev / zendesk.md
Last active April 15, 2025 03:39
1 bug, $50,000+ in bounties, how Zendesk intentionally left a backdoor in hundreds of Fortune 500 companies

hi, i'm daniel. i'm a 15-year-old with some programming experience and i do a little bug hunting in my free time. here's the insane story of how I found a single bug that affected over half of all Fortune 500 companies:

say hello to zendesk

If you've spent some time online, you’ve probably come across Zendesk.

Zendesk is a customer service tool used by some of the world’s top companies. It’s easy to set up: you link it to your company’s support email (like [email protected]), and Zendesk starts managing incoming emails and creating tickets. You can handle these tickets yourself or have a support team do it for you. Zendesk is a billion-dollar company, trusted by big names like Cloudflare.

Personally, I’ve always found it surprising that these massive companies, worth billions, rely on third-party tools like Zendesk instead of building their own in-house ticketing systems.

your weakest link

@cseeman
cseeman / markdown_examples.md
Last active April 15, 2025 17:40
Markdown for info panel/warning box

Examples for how to create your own info panel, warning box and other decent looking notification in GitHub markdown.

All the boxes are single/two cell tables or two row tables.

Warning box

❗ You have to read about this
@sunflsks
sunflsks / oahd-wrapper.c
Last active January 12, 2024 07:09
convert an x86 bin to an arm through oahd-helper
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
void help(char* curbin) {
fprintf(stderr, "%s x86_bin arm64_output\n", curbin);
}
int main(int argc, char** argv) {
@nrjdalal
nrjdalal / QEMU-Silicon-Mac-Virtualization.md
Last active March 14, 2025 09:02
Create Virtual Machines using QEMU on Silicon based Apple Macs

Install QEMU on Silicon based Apple Macs (June 2021)

Option 1 - Automatically

zsh -c "$(curl -fsSL https://raw.githubusercontent.com/nrjdalal/silicon-virtualizer/master/install-qemu.sh)"

Option 2 - Manually

  • Install Xcode command line tools

xcode-select --install
@luminositystudio
luminositystudio / Disable Device Enrollment Program (DEP) notification on macOS BigSur and Monterey.md
Last active July 13, 2024 21:46
Disable Device Enrollment Program (DEP) notification on macOS BigSur and Monterey

Disable Device Enrollment Program (DEP) notification on macOS BigSur and Monterey

Requirements

  1. Restart in Recovery Mode

    Restart your Mac then hold down the Command & R keys together until you're in the Recovery Mode menu

  2. Click on Utilities then select: Startup Security Utility

@saagarjha
saagarjha / imessage_cleanup.py
Created April 26, 2021 03:12
Helps clean up large iMessage attachments by letting you search for them
#!/usr/bin/env python3
import pathlib
import sqlite3
if __name__ == "__main__":
connection = sqlite3.connect(f"{pathlib.Path.home()}/Library/Messages/chat.db")
for (name, size, chat, date) in connection.execute("""
SELECT transfer_name, total_bytes, chat_message_join.chat_id, date
FROM message_attachment_join JOIN message ON message_attachment_join.message_id = message.ROWID
@wlib
wlib / LICENSE
Last active April 30, 2024 17:07
Run a shell script with bash, line-by-line, prompted on each command. Useful for running unknown scripts or debugging. Not a secure substitute for understanding a script beforehand.
MIT License
Copyright (c) 2021 Daniel Ethridge
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
@akihikodaki
akihikodaki / README.en.md
Last active April 14, 2025 16:19
Linux Desktop on Apple Silicon in Practice

Linux Desktop on Apple Silicon in Practice

I bought M1 MacBook Air. It is the fastest computer I have, and I have been a GNOME/GNU/Linux user for long time. It is obvious conclusion that I need practical Linux desktop environment on Apple Silicon.

Fortunately, Linux already works on Apple Silicon/M1. But how practical is it?

  • Two native ports exist.