kleptog

martijn@martijn-jessie:~/git/ctm/docker$ sudo /usr/lib/postgresql/9.4/bin/pg_xlogdump -p /tmp/pgtest/postgres/pg_xlog/ 000000010000000000000001 |grep -wE '16386|16384|16390'
rmgr: Storage     len (rec/tot):     16/    48, tx:          0, lsn: 0/016A79C8, prev 0/016A79A0, bkp: 0000, desc: file create: base/12139/16384
rmgr: Sequence    len (rec/tot):    158/   190, tx:        683, lsn: 0/016B4258, prev 0/016B2508, bkp: 0000, desc: log: rel 1663/12139/16384
rmgr: Storage     len (rec/tot):     16/    48, tx:        683, lsn: 0/016B4318, prev 0/016B4258, bkp: 0000, desc: file create: base/12139/16386
rmgr: Storage     len (rec/tot):     16/    48, tx:        683, lsn: 0/016B9468, prev 0/016B9418, bkp: 0000, desc: file create: base/12139/16390
rmgr: Sequence    len (rec/tot):    158/   190, tx:        683, lsn: 0/016BC938, prev 0/016BC880, bkp: 0000, desc: log: rel 1663/12139/16384
rmgr: Sequence    len (rec/tot):    158/   190, tx:        683, lsn: 0/016BCAF0, prev 0/016BCAA0, bkp: 0000, desc: log: rel 1663/1213

kleptog

Waveguide theory

• http://www.antenna-theory.com/tutorial/waveguides/waveguide.php

Cutoff frequency

Circular waveguide cutoff frequency equation for TE11 mode

fc = 1.8412 c / 2 pi a = 1.8412 c / pi D

kleptog

import sys
import inspect
import time
import traceback

from sqlalchemy import event
from sqlalchemy.orm.session import sessionmaker
from sqlalchemy import create_engine
from sqlalchemy.engine import Engine

kleptog

#!/usr/bin/python

from subprocess import check_output as run
import glob

# Get nodes
nodes = run(['docker', 'node', 'ls', '-q']).split()
self = run(['docker', 'node', 'inspect', 'self', '--format={{.ID}}']).strip()

nodeinfo = {}

kleptog

# From: https://enelogic.docs.apiary.io/#introduction/option-1.-wsse-authentication

# Go to the developer center: enelogic.com/nl/developers.
# Add your app and choose a desired redirect url (only for OAuth2 purposes, if using WSSE just fill in a URL e.g. enelogic.com)
# Fill in values below

import hashlib
import json
import os
import requests

kleptog

# coding=utf8

# This is a python implementation of the boolean expression algorithm
# described in the paper "Indexing Boolean Expressions" by Whong et al.
# https://theory.stanford.edu/~sergei/papers/vldb09-indexing.pdf

# Note this really only uses the index ideas from the paper, because the
# ctual algorithm it describes involves shuffling through lists, something
# which is extremely difficult to do efficiently in python.  I went for the
# easier route of simply counting entries.  As such, I don't give any

kleptog

defmodule Shortener.LinkManager.Cache do
  @moduledoc false
  use GenServer

  @table_name :my_cache
  
  def start_link(args) do
    GenServer.start_link(__MODULE__, args, name: __MODULE__)
  end

kleptog

# Based on https://github.com/haproxy/haproxy/blob/50d8c187423d6b7e9b1083e05370885f6d12e844/src/h1.c#L578
test_nums = list(range(0x20, 0x27)) + list(range(0x7b, 0x81))

def test1(a, b, c, d):
   # What I expected the code to skip given the comment
   return all([0x24 <= a <= 0x7e, 0x24 <= b <= 0x7e,0x24 <= c <= 0x7e,0x24 <= d <= 0x7e])

def test3(a, b, c, d):
   # What it actually does skip
   return all([0x24 <= a, 0x24 <= b, 0x24 <= c, 0x24 <= d]) and any([a <= 0x7e, b <= 0x7e, c <= 0x7e, d <= 0x7e])