Gustav-Simonsson

💭

tuning into the gpu coil whine

Gustav-Simonsson / gist:5003397

Created February 21, 2013 09:10

	%%%============================================================================

	-spec bin_to_hexdigest(binary()) -> binary().
	bin_to_hexdigest(Bin) when is_binary(Bin) ->
	<<<<(binary:list_to_bin(
	case length(S = integer_to_list(I, 16)) of 1 -> [48\|S]; 2 -> S end
	))/bytes>> \|\| <<I>> <= Bin>>.

	-spec hexdigest_to_bin(binary()) -> binary().
	hexdigest_to_bin(BinHex) when is_binary(BinHex) ->

Gustav-Simonsson / gist:5677494

Created May 30, 2013 12:30

	decode(Segment) ->
	case Segment of
	<< SourcePort:16, DestinationPort:16,
	SequenceNumber:32,
	AckNumber:32,
	DataOffset:4, _Reserved:4, Flags:8, WindowSize:16,
	Checksum:16, UrgentPointer:16,
	Payload/binary>> when DataOffset>4
	->
	OptSize = (DataOffset - 5)*32,

Gustav-Simonsson / gist:6295196

Created August 21, 2013 14:28

	--
	-- xmonad example config file.
	--
	-- A template showing all available configuration hooks,
	-- and how to override the defaults in your own xmonad.hs conf file.
	--
	-- Normally, you'd only override those defaults you care about.
	--

	import XMonad

Gustav-Simonsson / stacktrace_filter.erl

Created August 30, 2013 10:04

	-module(stacktrace_filter).
	-compile(export_all).

	t() ->
	try
	sensitive_data_function()
	catch
	Error:Reason ->
	{Error, Reason, erlang:get_stacktrace()}
	end.

Gustav-Simonsson / lager_utils

Created October 5, 2013 22:32

lager utils

	-define(info, lager:info).
	-define(debug, lager:debug).
	-define(warning, lager:warning).
	-define(error, lager:error).
	-define(alert, lager:alert).


	-define(mute_level(LogLevel),
	begin
	error_logger:tty(false),

Gustav-Simonsson / gist:9163219

Last active August 29, 2015 13:56

	import com.google.bitcoin.uri.BitcoinURI;

	String uri = BitcoinURI.convertToBitcoinURI(address,
	output.getValue(),
	"very currency",
	"such profit");

Gustav-Simonsson / gist:39801db33f0a11239eb8

Created December 19, 2014 19:16

scrypt params test

	package main

	import (
	"fmt"
	"time"
	"math"
	"code.google.com/p/go.crypto/scrypt"
	)

	func main() {

Gustav-Simonsson / gist:2b104de5f649224c68ae

Created February 18, 2015 21:41

small cgo example

	package secp256k1

	/*

	#include "./secp256k1/include/secp256k1.h"
	*/
	import "C"

	import ()

Gustav-Simonsson / gist:4ccecbc0bf2f83171045

Created May 19, 2015 10:14

scrypt with password x

	{
	"Crypto": {
	"cipher": "aes-128-cbc",
	"cipherparams": {
	"iv": "6e38e8499d80916a6767a0c1c70a8cc8"
	},
	"ciphertext": "6984bc36d8e3e1d9048ee2f2a05be092ca690de8b487fcb0f3b166900b3d960a71cd752f39af26c6cb5db8ca06a524a3",
	"kdf": "scrypt",
	"kdfparams": {
	"dklen": 32,

Gustav-Simonsson / gist:d03e1625f3d4bf93f50d

Created June 3, 2015 16:51

	18:14:50 (master) ~/go/src/github.com/Gustav-Simonsson/go-opencl/cl
	> go build -v -x
	WORK=/tmp/go-build843416135
	github.com/Gustav-Simonsson/go-opencl/cl
	mkdir -p $WORK/github.com/Gustav-Simonsson/go-opencl/cl/_obj/
	mkdir -p $WORK/github.com/Gustav-Simonsson/go-opencl/
	cd /home/gs/go/src/github.com/Gustav-Simonsson/go-opencl/cl
	CGO_LDFLAGS="-g" "-O2" /home/gs/golang/pkg/tool/linux_amd64/cgo -objdir $WORK/github.com/Gustav-Simonsson/go-opencl/cl/_obj/ -- -I $WORK/github.com/Gustav-Simonsson/go-opencl/cl/_obj/ -I/opt/opencl-headers/include cl.go context.go device.go kernel.go platform.go program.go queue.go types.go
	/home/gs/golang/pkg/tool/linux_amd64/6c -F -V -w -trimpath $WORK -I $WORK/github.com/Gustav-Simonsson/go-opencl/cl/_obj/ -I /home/gs/golang/pkg/linux_amd64 -o $WORK/github.com/Gustav-Simonsson/go-opencl/cl/_obj/_cgo_defun.6 -D GOOS_linux -D GOARCH_amd64 $WORK/github.com/Gustav-Simonsson/go-opencl/cl/_obj/_cgo_defun.c
	gcc -I . -fPIC -m64 -pthread -fmessage-length=0 -print-libgcc-file-name