NeoCat’s gists

NeoCat / add2numbers_12lang_polyglot

Created April 21, 2014 14:47

12 language polyglot which adds 2 numbers from stdin. Runnable in Bash/Brainf**k/C/CLIPS/INTERCAL/Perl/Perl 6/Python/Ruby/Pike/Prolog (swi)/Whitespace, tested in Ideone.com http://ideone.com/JmXx4l .

#define x /* ++[>[-]+>>++++++++++[>++++++[>++++++<-]>++<<<<[[-]>+>>>>,----------<<<<<]>[<+>-]>>>>[>+>+<<-]<[>>-<<-]>>>>+<[[-]>-<]>[[-]<<[+]<<<<<<[-]>>[-]+<<>>>>>>>>]>>>>>>>>>>[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<<<<[>>>>+<<<<-]<<<<-]<<<[>>+>+<<<-]>>[<<+>>-]>-[[-]>>>>>>>+++++++++[>>>>>>>>>>>>>>>>>>>>[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<[>+<-]<<-]<<<<<<<]<<<-]>>>>>>>>>>>>>>>>>>>>[>>>>>>>>>+<<<<<<<<<-]<[>>>>>>>>>+<<<<<<<<<-]<[>>>>>>>>>+<<<<<<<<<-]<[>>>>>>>>>+<<<<<<<<<-]<[>>>>>>>>>+<<<<<<<<<-]<[>>>>>>>>>+<<<<<<<<<-]<[>>>>>>>>>+<<<<<<<<<-]<[>>>>>>>>>+<<<<<<<<<-]<[>>>>>>>>>+<<<<<<<<<-]<++++++++[>>>>>>>>>>[<<<<<<<<+<+>>>>>>>>>-]<<<<<<<<[>>>>>>>>+<<<<<<<<-]+++++++++[<[[<<+>>-]<<->>]<<[>>+<<-]>>>-]<[[-]>>>>>>>>>---------->+<<<<<<<<<<][<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]>[<+>-]><<<<<<<<<<<<<<<<<<<-]>>>>>>>>>>>>+++++++++[<<[[-

NeoCat / ideone.pl

Last active August 29, 2015 14:00

Submit a source code in the specified language to ideone.com (in private mode) and get executed results

	#!/usr/bin/perl
	use strict;
	use warnings;
	use SOAP::Lite;

	my $user = '******';
	my $pass = '******';

	my $client = SOAP::Lite->new(proxy => 'http://ideone.com/api/1/service');

NeoCat / ignchild.c

Last active August 29, 2015 13:58

Avoid zombie processes on Linux

	/*
	* Avoid creation of zombie process by child processes.
	* build: gcc -O2 ignchld.c -o ignchld
	* usage: ignchld bad-command-that-creates-zombie-processes [args ...]
	*/

	#include <signal.h>
	#include <string.h>
	#include <unistd.h>

NeoCat / 2048.stp

Last active August 29, 2015 13:58

2048 -- Join the numbers and get to the 2048 tile using SystemTap!

	#!/bin/bash
	//usr/bin/env stty -echo; sudo staprun -T 30 `stap -p4 "$0"` "$@"; stty echo; exit

	// 2048.stp - written by NeoCat
	// Inspired by https://github.com/gabrielecirulli/2048/
	// Licensed under MIT license or GPLv2

	// Join the numbers and get to the 2048 tile!
	// HOW TO PLAY: Use your arrow keys to move the tiles. When two tiles with the same number touch, they merge into one!

NeoCat / virt-addr

Last active November 23, 2016 19:36

	#!/bin/bash
	type=ipv4

	function usage() {
	echo "usage: $(basename "$0") [OPTIONS] domain"
	echo " -6 get ipv6 address (default: ipv4)"
	echo " -h show this help"
	echo " -n show interface name"
	echo " -p show prefix"
	echo " -i interface specify interface (default: all)"

NeoCat / New Data

Last active December 30, 2015 15:59

LED FAN data

	0 02 [][][][][] [] 40 37 [] []
	1 0e [][][] [] 41 37 [] []
	2 7f 42 40 [][][][][][]
	3 7f 43 00 [][][][][][][]
	4 02 [][][][][] [] 44 77 []
	5 7f 45 77 []
	6 7f 46 77 []
	7 51 [] [][][] 47 00 [][][][][][][]
	8 36 [] [] [] 48 09 [][][] [][]
	9 36 [] [] [] 49 76 [] []

NeoCat / Makefile

Created November 18, 2013 21:18

にゃんぱすーと表示するカーネルモジュール使用方法： make && sudo insmod nyanpasu.ko && cat /dev/renchon

	obj-m = nyanpasu.o

	all:
	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules

	clean:
	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean

NeoCat / yurex-de-eject.sh

Created November 13, 2013 21:52

YUREX de eject

while :;do x=$y;sleep 2;y=$(cat /dev/yurex0);o=;[ $(($y-x)) -gt 2 ]&&o=-t;eject $o;done

NeoCat / gist:7094377

Created October 22, 2013 02:37

kobo nickel stack dump

	OH THE HUMANITY!
	pid: 521, tid: 521, rev: ra7895c24594703fbed76484252e6d4c55a06d355
	>>> /usr/local/Kobo/nickel <<<
	signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 03e40000
	r0 03e40000 r1 2d875c90 r2 00000000 r3 00000000
	r4 2d875c90 r5 03e40000 r6 2d875d08 r7 00000001
	r8 008426c8 r9 2bd83170 10 00805d54 fp 00805d40
	ip 2dc0d828 sp 7ece76e8 lr 2da05e03 pc 2e9618c0 cpsr 200d0030
	#00 sp: 0x7ece76e8 ip: 0x2e9618c0 /lib/libc-2.11.1.so: _IO_str_pbackfail+0x1563
	--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---

NeoCat / gist:6690302

Last active December 23, 2015 20:29

tcpdump of Siri connection with MPTCP option Captured with https://github.com/multipath-tcp/tcpdump on the gateway server (Linux with MPTCP patch). DNS server is modified to answer the gateway server's IP address for guzzoni.apple.com "LTE" means iPhone's LTE network address.

	22:28:46.003820 IP iPhone.1024 > daisy.apple.com.https: Flags [S], seq 3599195999, win 65535, options [mss 1460,nop,wscale 3,mptcp capable {0x72d38468f5b08cec},nop,nop,TS val 172462590 ecr 0,sackOK,eol], length 0
	22:28:46.005030 IP daisy.apple.com.https > iPhone.1024: Flags [S.], seq 486719052, ack 3599196000, win 14280, options [mss 1460,sackOK,TS val 12199698 ecr 172462590,nop,wscale 7,mptcp capable csum {0x2bbdacfe975af7bf}], length 0
	22:28:46.028714 IP iPhone.1024 > daisy.apple.com.https: Flags [.], ack 1, win 8211, options [nop,nop,TS val 172462684 ecr 12199698,mptcp capable csum {0x72d38468f5b08cec,0x2bbdacfe975af7bf}], length 0
	22:28:46.093564 IP iPhone.1024 > daisy.apple.com.https: Flags [P.], seq 1:141, ack 1, win 8211, options [nop,nop,TS val 172462699 ecr 12199698,mptcp dss ack 330982975 seq 3246344230 subseq 1 len 140 csum 0xeb65], length 140
	22:28:46.093958 IP daisy.apple.com.https > iPhone.1024: Flags [.], ack 141, win 232, options [nop,nop,TS val 12199791 ecr 172462699,mptcp add-addr id 1 local

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