jboner

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

preshing

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>

typedef unsigned int u32;
typedef unsigned long long u64;

//-------------------------------------------------------------------------
// WorkArea
//-------------------------------------------------------------------------

vishvananda

#!/bin/bash

if [ "$4" == "" ]; then
    echo "usage: $0 <local_ip> <remote_ip> <new_local_ip> <new_remote_ip>"
    echo "creates an ipsec tunnel between two machines"
    exit 1
fi

SRC="$1"; shift
DST="$1"; shift

syuu1228

@ This is Linux/arm EABI system call sample program.
@
@ Build with following command:
@ as -o arm-mmap.o arm-mmap.s
@ ld -o arm-mmap arm-mmap.o
@ 
@ You can see the program issues system calls by following command:
@ strace ./arm-mmap
@

SaveTheRbtz

/*
 * Copyright 2009 Johannes Berg <[email protected]>
 * Copyright 2010 Luis R. Rodriguez <[email protected]>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

junian

# This code is based on tutorial by slicktechies modified as needed to use oauth token from Twitch.
# You can read more details at: https://www.junian.net/2017/01/how-to-record-twitch-streams.html
# original code is from https://slicktechies.com/how-to-watchrecord-twitch-streams-using-livestreamer/

import requests
import os
import time
import json
import sys
import subprocess

itsff

#include <stdio.h>
#include <Windows.h>
#include <winternl.h>
 
#pragma comment(lib,"ntdll.lib")
 
EXTERN_C NTSTATUS NTAPI NtTerminateProcess(HANDLE,NTSTATUS);
EXTERN_C NTSTATUS NTAPI NtReadVirtualMemory(HANDLE,PVOID,PVOID,ULONG,PULONG);
EXTERN_C NTSTATUS NTAPI NtWriteVirtualMemory(HANDLE,PVOID,PVOID,ULONG,PULONG);
EXTERN_C NTSTATUS NTAPI NtGetContextThread(HANDLE,PCONTEXT);

restorer

'use strict';

// На текущий момент страница со списком устройств на сайте /e/ поменяла дизайн,
// так что проверка поддерживает ли устройство /e/ не работает. Но раньше работало :)

const fs = require('fs').promises;
const path = require('path');
const axios = require('axios');
const cheerio = require('cheerio');
const Iconv = require('iconv').Iconv;

c0d3z3r0

Decrypt

openssl enc -d -des-ede3-cbc -in save_config.bin -out save_config.dec -K f1da33a298120612060792ffaa998811998877445588aabb -iv 0
dd if=save_config.dec bs=4 skip=1 | tar -xzf -
ls preserve_config/
bmc_hostname  hostname_for_dhcp   network      SDRBlock      tag
ddns          ipctrl              ntp          server.pem    timezone
DDNS_CONFIG   lighttpd.conf       OEMPSBlock   service.conf  wsman
ddns.key      lighttpd_port.conf  PSBlock      snmpd.conf
ddns.private  log                 ps.xml       syslog.conf

CarloCattano

rp3.+ raspberry OS lite (or better PatchboxOS as a starting point)

https://blokas.io/patchbox-os/

testing notes

Disable bluetooth or send bt to another serial port

    sudo nano /boot/config.txt

    enable_uart=1    
   
 dtoverlay=midi-uart0