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#!/usr/bin/env python

import argparse
import atexit
import curses
import errno
import json
import socket
import sys
import time

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#!/usr/bin/env python
# coding: utf8

"""plot offset"""

import os
import concurrent.futures
from datetime import datetime, timedelta
import subprocess
import json

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# Kafka connection settings
BOOTSTRAP_SERVERS=localhost:9092

# Topic to replay messages from (required)
topic=your-kafka-topic

# Time range settings (timestamp format - default approach)
START_TIME=2025-05-16T00:00:01
END_TIME=2025-05-16T23:59:59

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.env
.envrc

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Setting up qemu VM using nix flakes

Did you know that it is rather easy to setup a VM to test your NixOs configuration?

Create simple flake:

# flake.nix
{
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";

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My Rust Resources

Basic

• The Rust Programming Language / zh_CN
• https://rustwiki.org/zh-CN/rust-by-example/
• Rust Primer
• Rust入门秘籍
• Rust first steps / zh_CN

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https://community.openvpn.net/openvpn/wiki/GettingTapWindows

from page https://build.openvpn.net/downloads/releases/ I get executable https://build.openvpn.net/downloads/releases/tap-windows-9.24.2-I601-Win10.exe

no releases from github repo https://github.com/OpenVPN/tap-windows, just tags and source code tarball.

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# ~/.config/starship.toml

# Don't print a new line at the start of the prompt
add_newline = false

[cmd_duration]
show_milliseconds = true
format = "took [$duration](bold yellow) "

[character]

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ip forward

sudo modprobe ip_tables
sudo modprobe ip_conntrack
sudo modprobe iptables_nat

sysctl -w net.ipv4.ip_forward = 1

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{
  "presets": [
    [
      "@babel/preset-env",
      {
        "targets":
        {
          "browsers": [
            "last 2 Chrome versions"
          ]