jsteemann

/*
   small helper program to print the error messages for 
   integer error codes. use as follows:

   gcc -Wall -Wextra -pedantic dumperror.c
   ./dumperror <code>

   where code is the error number you're interested in
*/

jsteemann

<?php

$renderers = array(
  new RendererConsole(),
  new RendererCsvFile("./results.csv", ";"),
);

// chunk/bulk/batch size (number of documents to be loaded at once)
$chunkSize = 10000;
$datasetPath = "/performancetest/datasets/";

jsteemann

<?php

// script to convert local git commit log history into JSON format
// usage: cd git-repository && php git-log-to-json.php > commits.json
// script might take a while to execute 

$tags = [ ];
$lines = shell_exec('git show-ref --tags');
foreach (array_filter(explode("\n", $lines)) as $line) {
  list($commit, $ref) = explode(" ", $line, 2);

jsteemann

/*
  write performance test

  tests disk write performance with and without fdatasync
  will write a configurable amount of 1MB data blocks to disk
  and then optionally call fdatasync after each
    
  usage:
  
  compile with 

jsteemann

/* script to set up movie data into an ArangoDB database
   run from the ArangoShell by executing this command: 

   require("internal").load("/path/to/this/file");
*/

(function() {
  let print = require("internal").print;
  let db = require("@arangodb").db;

jsteemann

/*
 * decode HTML entities in a string
 * usage examples: 
 *   htmlDecode('foo & bar') => 'foo & bar'
 *   htmlDecode('foo/bar')   => 'foo/bar'
 */
let htmlDecode = function(str) {
  const map = {
    '&' :   '&',
    '>'  :   '>',

jsteemann

$ cat x.cpp; g++ -O3 x.cpp && ./a.out | head -n 10

#include <iostream>

int main()
{
    for (int i = 0; i < 4; ++i) {
        std::cout << i*1000000000 << std::endl;
    }
}