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# this is just a dirty hack to play an mp3 over a network, need netcat and mplayer
# on the sending machine (replace localhost with ip):
nc localhost 1234 < x.mp3
# on the playing machine:
nc -l -p 1234 | mplayer -

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"""
This contains various implementations of SQL functions in python
The two functions are not built for the same context
"""

def hash_join(table1, index1, table2, index2):
    """
    Perform a sql like join operation on two dicts, on the specified indexes
    """
    from collections import defaultdict

tnibert

#! /bin/bash
#log memory each minute
while true; do
dt=`date`
mem=`cat /proc/meminfo | grep -E "MemFree"`
mem2=`cat /proc/meminfo | grep -E "MemAvailable"`
echo -e "$dt \t $mem \t $mem2" | tee -a memlog.txt
sleep 60
done

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from sqlalchemy.ext.declarative import declarative_base

"""
This gist demonstrates ways to retrieve foreign keys in an SQLAlchemy database schema.
"""

Base = declarative_base()
metadata = Base.metadata

# then you must populate schema

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#!/usr/bin/env python
# -*- coding: utf-8; mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
# vim: fileencoding=utf-8 tabstop=4 expandtab shiftwidth=4

"""User Access Control for Microsoft Windows Vista and higher.  This is
only for the Windows platform.

This will relaunch either the current script - with all the same command
line parameters - or else you can provide a different script/program to
run.  If the current user doesn't normally have admin rights, he'll be

tnibert

import win32serviceutil
import win32service
import win32event
import servicemanager
import socket
import time
import logging

logging.basicConfig(
    filename = 'c:\\Temp\\hello-service.log',

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#!/bin/bash
# identify all files larger that 1 GB
find / -xdev -type f -size +1G -exec ls -lah {} \;

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#! /usr/bin/env python3

def reduce2(func, ls):
    if len(ls) == 1:
        return ls[0]
    return func(reduce2(func, ls[:-1]), ls[-1])


# test
testset = [1, 2, 3, 4, 5]

tnibert

#! /usr/bin/env python3

split_fields = lambda addr: [int(f) for f in addr.split(".")]

def check_subnet(prefix_addr: str, prefix_length: int, to_check: str):
    """
    Determine if the IPv4 address to_check is within the given subnet

    :param prefix_addr: address prefix as shown in CIDR notation
    :param prefix_length: the number of bits in the network section 

tnibert

from pip._internal import main
pkg = "numpy"                   # example
main(['install', pkg])