EamonNerbonne

//timings "on my machine", fixed clockspeed, multiple runs have stable timings with less than 1% variation, x64 .net core 3.0 roslyn 3.3.1-beta4 via linqpad 6.3.0 beta.
//obviously there's some noise, but even the timing differences between 0.66 and 0.68 appear to be reproducible on this machine; not just random happenstance


var arr = Enumerable.Range(1, 10_000).Select(i => i % 2 == 0 ? default(int?) : i).ToArray();
var filteredSeq = arr.Where(o=>o!=null);
var sw = Stopwatch.StartNew();
var sum =0l;

for (int iter = 0; iter < 100_000; iter++)

EamonNerbonne

/*
Results for a 1<<24 size ulong array filled with random data:

              Method |     Mean |    Error |   StdDev |
-------------------- |---------:|---------:|---------:|
   BottomUpMergeSort | 544.7 ms | 2.119 ms | 1.982 ms |
           QuickSort | 242.8 ms | 4.754 ms | 4.669 ms |
    TopDownMergeSort | 435.3 ms | 1.393 ms | 1.303 ms |
 AltTopDownMergeSort | 452.9 ms | 1.488 ms | 1.392 ms |
     SystemArraySort | 263.1 ms | 2.225 ms | 2.081 ms |

EamonNerbonne

#!/bin/bash
# Kills all processes attached to the current terminal.
# This is a helper to workaround https://github.com/ddollar/foreman/issues/357
pkill  -t `tty | egrep -o 'pts/[0-9]+'` -x '^([^b]|$|b([^a]|$|a([^s]|$|s([^h]|$)))).*'
sleep 1
pkill -9 -t `tty | egrep -o 'pts/[0-9]+'` -x '^([^b]|$|b([^a]|$|a([^s]|$|s([^h]|$)))).*'

EamonNerbonne

#displayBox {
	width:666px;
	height:715px;
	border-top-left-radius:700px;
    overflow:hidden;
    position:relative;
	top:-150px;  
	left:-10px;  
	  /* fallback */
  background: #c07;/*better:image*/