nyukhalov

Latency Comparison Numbers
--------------------------
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

nyukhalov

ORIGINAL_JENKINS_SERVER=
ORIGINAL_SERVER_USER=

NEW_JENKINS_SERVER=
NEW_SERVER_USER=

# ON THE ORIGINAL JENKINS SERVER
ssh $ORIGINAL_SERVER_USER@$ORIGINAL_JENKINS_SERVER
cd /var/lib/jenkins/
for i in `ls jobs`; do echo "jobs/$i/config.xml";done > config.totar

nyukhalov

lines with $ are commands

### install mkvtoolnix:

$ brew install mkvtoolnix

### list content of the mkv-file:
$ mkvmerge -i mymoviefile.mkv

### what will give you:

nyukhalov

#!/bin/bash

# Usage
# > ./shdb.sh db_set foo 3
# > ./shdb.sh db_set bar 5
# > ./shdb.sh db_get foo
# 3

db_set() {
  echo "$1,$2" >> database

nyukhalov

import numpy as np
import math

def h_transform(observation_coords, particle_coords, particle_heading):
    mat = np.matrix([
        [math.cos(particle_heading), -math.sin(particle_heading), particle_coords[0]],
        [math.sin(particle_heading), math.cos(particle_heading),  particle_coords[1]],
        [0,                          0,                           1]
    ])
    vec = np.matrix([

nyukhalov

from itertools import permutations
from zipfile import ZipFile

archive = 'archive.zip'

keywords = [
        'foo',
        'bar',
        'buzz'
]

nyukhalov

sudo apt-get update
sudo apt-get install xserver-xorg-core
sudo apt-get install -f virtualbox-guest-x11
sudo VBoxClient --clipboard