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

rolandoam

EMSCRIPTEN_HOME = ~/Documents/inbox/emscripten
PROJECT = myproject

SOURCES = $(wildcard *.cc) $(wildcard *.c)
OBJECTS = $(patsubst %.cc,%.o,$(patsubst %.c,%.o,$(SOURCES)))

set-native:
	$(eval CXX := clang -x c++)
	$(eval CC := clang)
	$(eval CPPFLAGS := -g -O2 -DHAS_TR1)

usagi

#include <iostream>
#include <fstream>
#include <string>

#ifdef EMSCRIPTEN
  #include <emscripten/emscripten.h>
#endif

namespace
{

probonopd

# Installed barrier_breaker rc2 OpenWrt image
# Set computer to 192.168.1.2

telnet 192.168.1.1

passwd
# Set new root password; this enables ssh

# Set up the wired network interface as a DCHP client
cat > /etc/config/network <<\EOF

lefticus

#include <chrono>
#include <string>
#include <sstream>
#include <vector>
#include <iostream>

std::string to_string(const int i)
{
  std::stringstream ss;
  ss << i;

odinserj

// Zero-Clause BSD (more permissive than MIT, doesn't require copyright notice)
// 
// Permission to use, copy, modify, and/or distribute this software for any purpose
// with or without fee is hereby granted.
// 
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
// OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

vittorioromeo

#include <exception>
#include <functional>

#ifdef __EMSCRIPTEN__

#include <emscripten.h>
#include <SDL.h>
#include <SDL_image.h>
#include <SDL_ttf.h>

Lewiscowles1986

#!/bin/bash

if [ "$EUID" -ne 0 ]
	then echo "Must be root"
	exit
fi

apt-get update -y
apt-get upgrade -y
apt-get dist-upgrade -y

isc30

#!/bin/bash
# Thanks to https://gist.github.com/Lewiscowles1986/ce14296e3f5222082dbaa088ca1954f7

if [ "$(whoami)" != "root" ]; then
	echo "Run script as ROOT please. (sudo !!)"
	exit
fi

echo "deb http://mirrordirector.raspbian.org/raspbian/ stretch main contrib non-free rpi" > /etc/apt/sources.list.d/stretch.list
echo "APT::Default-Release \"jessie\";" > /etc/apt/apt.conf.d/99-default-release

0x263b

Random color from string in javascript

Consider a list of strings you need to permanently assign a random color.

First you should turn the string into a hash.

var string = "string"
var hash = 0