nrdmn

#!/bin/sh
# colors IP addresses
grep -a --color=always -E "((0|1{0,1}[0-9]{1,2}|2[0-4][0-9]|25[0-5])\.){3}(0|1{0,1}[0-9]{1,2}|2[0-4][0-9]|25[0-5])|(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))|$" $1

nrdmn

#!/usr/bin/python3
# reads a list of IP subnets in CIDR notation from stdin and collapses it

import sys
import ipaddress

subnets6 = []
subnets4 = []

input_list = sys.stdin.readlines()

nrdmn

#include <math.h>
#include <stdio.h>

#ifndef EXAMPLE
#define EXAMPLE 0
#endif

#ifndef ACCURATE
#define ACCURATE 1
#endif

nrdmn

keycode 14 = 5    percent EuroSign   EuroSign   eacute     Eacute
keycode 24 = q    Q       adiaeresis Adiaeresis aacute     Aacute
keycode 26 = e    E       eacute     Eacute     EuroSign   EuroSign
keycode 29 = y    Y       udiaeresis Udiaeresis uacute     Uacute
keycode 30 = u    U       uacute     Uacute     udiaeresis Udiaeresis
keycode 32 = o    O       oacute     Oacute     odiaeresis Odiaeresis
keycode 33 = p    P       odiaeresis Odiaeresis oacute     Oacute
keycode 38 = a    A       aacute     Aacute     adiaeresis Adiaeresis
keycode 94 = less greater less       greater    bar        bar

nrdmn

URxvt.scrollBar: false
URxvt.internalBorder: 0
URxvt.font: xft:DejaVuSansMono:size=9.4:antialias=true
URxvt.boldFont: xft:DejaVuSansMono:bold:size=9.4:antialias=true

URxvt.saveLines: 1000
URxvt.color0: #000000
URxvt.color1: #b21818
URxvt.color2: #18b218
URxvt.color3: #b26818

nrdmn

#       ,-------------------------------------- Minute [0,59]                                                                         
#       |       ,------------------------------ Hour [0,23]
#       |       |       ,---------------------- Day of the month [1,31]
#       |       |       |       ,-------------- Month of the year [1,12]
#       |       |       |       |       ,------ Day of the week ([0,6] with 0=Sunday)
#       |       |       |       |       |

nrdmn

#include <inttypes.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

char *name;

void term(int signum)
{

nrdmn

#include <stdio.h>
#include <assert.h>

#include <malloc.h>
#include <stdbool.h>
#include <stdlib.h>

#define FN void __attribute__((noreturn))
#define LAMBDA(c_) ({ FN _ c_ _;})

nrdmn

import System.Environment (getArgs)
import System.IO (hPutStrLn, stderr)
import Data.List (genericTake)
import Text.Read (readMaybe)

-- sqrt possibly inaccurate for large primes.
primes = 2 : [ n | n<-[3,5..], all (\x -> n `mod` x /= 0) $ takeWhile (<= (floor $ sqrt $ fromIntegral n)) primes]
-- guaranteed to be correct for all primes, but much slower:
-- primes = 2 : [ n | n<-[3,5..], all (\x -> n `mod` x /= 0) $ takeWhile (<= (quot n 2)) primes]
-- for all n out of [1..] there's a prime p so that n < p < 2*n (Bertrand's postulate)

nrdmn

* {
    animation-name: colors;
    animation-duration: 4s;
    animation-iteration-count: infinite;
}

@keyframes colors {
    0% { text-shadow: 0 0 1pt hsl(0, 100%, 50%); }
    17% { text-shadow: 0 0 1pt hsl(60, 100%, 50%); }
    33% { text-shadow: 0 0 1pt hsl(120, 100%, 50%); }