oliora

alias to-timesptamp-ms="python3 -c 'import datetime, sys; s = sys.argv[1]; s = s[:-1] if s[-1] == \"Z\" else s; print(round(datetime.datetime.fromisoformat(s).replace(tzinfo=datetime.timezone.utc).timestamp() * 1000))'"
alias from-timesptamp-ms="python3 -c 'import datetime, sys; t = int(sys.argv[1]); print(datetime.datetime.utcfromtimestamp(t/1000).strftime(\"%Y-%m-%dT%H:%M:%S.%f\")[:-3]+\"Z\")'"from-timesptamp-ms

oliora

#pragma once

#include "common.h" // https://github.com/oliora/habr-switches-perf-test/blob/main/common.h
#include <cstdint>
#include <string_view>
#include <utility>
#include <immintrin.h>

template <size_t StepSize>
requires((StepSize <= PageSize)

oliora

# Run it like `python3 udp-send.py <detination_addr> <destination_port> [<interface_to_bind>]`
import socket
import sys

with socket.socket(type=socket.SOCK_DGRAM) as s:
    if len(sys.argv) >= 4:
        s.bind((sys.argv[3], 0))
    s.connect((sys.argv[1], int(sys.argv[2])))
    s.send(b'Hello!')

oliora

# Run it like `python3 udp-receiver.py 0.0.0.0 <listening_port>`
import socket
import sys

with socket.socket(type=socket.SOCK_DGRAM) as s:
    s.bind((sys.argv[1], int(sys.argv[2])))
    while True:
        (data, ancdata, msg_flags, address) = s.recvmsg(1024)
        print(f'Received "{data.decode()}", ancdata="{ancdata}", sender={address}, flags={msg_flags}')

oliora

#!/usr/bin/env python3

'''
Usage (on Mac):

Extract tables to clipboard. Simply paste it to Google Spreadsheets afterwards:

    python3 extract_tables_from_pdf.py ~/Downloads/doc.pdf" --remove-eols --pages '27-30' | pbcopy

Extract to a file: