emctoo

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

"""plot offset"""

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

emctoo

# 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

emctoo

.env
.envrc

emctoo

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";

emctoo

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

emctoo

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.

emctoo

# ~/.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]

emctoo

ip forward

sudo modprobe ip_tables
sudo modprobe ip_conntrack
sudo modprobe iptables_nat

sysctl -w net.ipv4.ip_forward = 1

emctoo

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

emctoo

package main

import (
	"fmt"
	"io/ioutil"
	"log"
	"math/rand"
	"os"
	"os/exec"
	"syscall"