dejurin

#!/usr/bin/env bash
# server-snapshot.sh
# Purpose: Print a concise, human-readable snapshot of a Linux server state.
# Safe defaults: exits on errors/undefined vars; degrades when optional tools are missing.
# Intended usage: run manually or via cron; pipe to file for later inspection.

set -euo pipefail

# Ensure predictable output regardless of system locale
export LC_ALL=C

dejurin

import requests
import os

def fetch_cloudflare_ips():
    url = "https://www.cloudflare.com/ips-v4/"
    response = requests.get(url)
    if response.status_code == 200:
        return response.text.strip().split("\n")
    else:
        raise Exception(f"Failed to fetch Cloudflare IPs: {response.status_code}")

dejurin

// Variant type for clarity
type TZVariant = {
  name: string;        // Human-readable timezone name
  iana: string[];      // One or more IANA zones (first is canonical)
  note?: string;       // Optional note (DST/legacy/unofficial/etc.)
};

// Map: Abbreviation -> possible variants
export const TZ_MAP_PART_A: Record<string, TZVariant[]> = {
  // Military letter zone. Note the inverted sign in Etc/GMT*: Etc/GMT-1 === UTC+1

dejurin

Show logs for webapp container

docker logs container

Show last 100 lines

docker logs --tail 100 container

Follow logs in real time

docker logs -f container

dejurin

	// Early Hints
	app.Use(func(c *fiber.Ctx) error {
		if c.Method() != fiber.MethodGet ||
			!strings.Contains(c.Get("Accept", ""), "text/html") {
			return c.Next()
		}
		for _, entry := range Manifest {
			switch ext := strings.ToLower(filepath.Ext(entry.File)); ext {
			case ".js":
				c.Append("Link", fmt.Sprintf("</%s>; rel=preload; as=script", entry.File))

dejurin

/**
 * Formatting options for prettyNumber.
 * Extends all standard Intl.NumberFormatOptions and adds an optional locale override.
 */
export interface PrettyNumberOptions extends Intl.NumberFormatOptions {
  /** BCP 47 language tag, e.g. 'en-US', 'ru-RU'. Defaults to 'en-US'. */
  locale?: string;
}

/** Cache key → Intl.NumberFormat instance */

dejurin

#!/usr/bin/env python3
import re
import csv
import unicodedata2
import urllib.request

EMOJI_TEST_URL = 'https://unicode.org/Public/emoji/latest/emoji-test.txt'
MIN_CHAR = 0x20
MAX_CHAR = 0x100000
OUTPUT_CSV = 'unicode.csv'

dejurin

@utility scrollbar-hide {
  -ms-overflow-style: none;
  scrollbar-width: none;
  &::-webkit-scrollbar {
    display: none;
  }
}

dejurin

/**
 * Convert various source URLs (GitHub, npm, unpkg, WordPress) to jsDelivr CDN URLs.
 * @param sourceUrl — the original file URL
 * @returns jsDelivr URL or null if the format is not recognized
 */
export function toJsDelivr(sourceUrl: string): string | null {
  const url = new URL(sourceUrl);
  const { hostname, pathname, searchParams } = url;

  // GitHub: handle both github.com/blob/... and raw.githubusercontent.com

dejurin

import { useEffect } from "preact/hooks";

// Custom hook that calls handler when a click is detected outside of the given ref element
const useOnClickOutside = (
  ref: { current: HTMLElement | null },
  handler: (event: MouseEvent | TouchEvent) => void
) => {
  useEffect(() => {
    // Listener that calls handler if click is outside of ref element
    const listener = (event: MouseEvent | TouchEvent) => {