adewes

import random

def get_random_color(pastel_factor = 0.5):
    return [(x+pastel_factor)/(1.0+pastel_factor) for x in [random.uniform(0,1.0) for i in [1,2,3]]]

def color_distance(c1,c2):
    return sum([abs(x[0]-x[1]) for x in zip(c1,c2)])

def generate_new_color(existing_colors,pastel_factor = 0.5):
    max_distance = None

skyscribe

#                                                                                                        
#   STL GDB evaluators/views/utilities - 1.03
#
#   The new GDB commands:                                                         
# 	    are entirely non instrumental                                             
# 	    do not depend on any "inline"(s) - e.g. size(), [], etc
#       are extremely tolerant to debugger settings
#                                                                                 
#   This file should be "included" in .gdbinit as following:
#   source stl-views.gdb or just paste it into your .gdbinit file

bytespider

#!/bin/bash
# REQUIRES SUDO
# Benchmark runner

repeats=20
output_file='benchmark_results.csv'
command_to_run='echo 1'

run_tests() {
    # --------------------------------------------------------------------------

peterjmit

#!/bin/bash
# REQUIRES SUDO
# Benchmark runner

repeats=20
output_file='benchmark_results.csv'
command_to_run='echo 1'

run_tests() {
    # --------------------------------------------------------------------------

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

jhasse

#include <iostream>
#include <boost/uuid/sha1.hpp>

void display(char* hash)
{
	std::cout << "SHA1: " << std::hex;
    for(int i = 0; i < 20; ++i)
    {
        std::cout << ((hash[i] & 0x000000F0) >> 4) 
                  <<  (hash[i] & 0x0000000F);