donno2048

# Inverse square root and fast inverse square root
from ctypes import c_long, c_float, addressof, cast, POINTER
def fisr(number: float) -> float:
    y = c_float(number)
    i = c_long(0x5f3759df - (cast(addressof(y), POINTER(c_long)).contents.value >> 1))
    y = cast(addressof(i), POINTER(c_float)).contents.value
    return y * (3 - (number * y * y)) / 2
"""
float fisr(float number) {
    float y = number;

donno2048

flowchart TD
    A[Why do you want to learn programming?] -- Fun --> B[Simplicity or Efficiency?];
    B -- Simplicity --> C[Is portability important?];
    C -- Yes --> D{JS};
    C -- No --> E[Aesthetics or Clearness?];
    E -- Aesthetics --> F{Ruby};
    E -- Clearness --> G[Ease or Versatility?];
    G -- Ease --> H{Python};
    G -- Versatility --> I{Lua};

donno2048

# Stream movies from cmd for wsl (requires xlaunch and pulseaudio)
# Install requirements: sudo npm i peerflix -g && sudo apt install mpv -y
# Execute: bash stream.sh endgame
/mnt/c/pulseaudio/bin/pulseaudio.exe 2>/dev/null & export DISPLAY=$(awk '/nameserver / {print $2; exit}' /etc/resolv.conf 2>/dev/null):0 && sleep 1 && export PULSE_SERVER=tcp:$(grep nameserver /etc/resolv.conf | awk '{print $2}');
peerflix -k $(curl -s https://1337x.wtf/$(curl -s https://1337x.wtf/search/$(printf '%s' "$*" | tr ' ' '+' )/1/ | grep -Eo "torrent\/[0-9]{7}\/[a-zA-Z0-9?%-]*/" | head -n 1) | grep -Po "magnet:\?xt=urn:btih:[a-zA-Z0-9]*" | head -n 1) > /dev/null

donno2048

from sympy import *
N(summation(floor((n := symbols('n')) * tanh(pi)) / Pow(10, n), (n, 1, oo)) - 1 / S(81))

donno2048

# Simple python shell
## Use:
### In cmd:
#### python3 shell.py
#### echo "ls" | python3 shell.py
### In python:
#### main("ls")
from os import name, popen, getcwd
from sys import stdin, exit
if name != 'nt': import readline

donno2048

Empire - PowerShell based hacking tool

Install

sudo apt update
sudo apt install git -y
git clone --recursive https://github.com/donno2048/Empire.git
cd Empire/
yes | sudo ./setup/install.sh

donno2048

// cute demo for line drawing in p5js
async function setup() {
  createCanvas(400, 400);
  background(0);
  stroke(0, 200, 0);
  fill(0, 200, 0);
  const distance = 25;
  for (var i = 0; i < 300 / distance + 1; i++) {
    drawLine(new p5.Vector(50 + distance * i, 350), new p5.Vector(50 + distance * i, 50), 50, 1);
    await drawLine(new p5.Vector(50, 350 - distance * i), new p5.Vector(350, 350 - distance * i), 50, 1);

donno2048

from os.path import isdir
def cpu_count() -> int:
    i = 0
    while isdir('/sys/devices/system/cpu/cpu%d' % i): i += 1
    return i
def __check_cpu(i: int) -> None:
    assert i < cpu_count(), "CPU index out of range"
    assert isinstance(i, int), "CPU index must be an integer"
    assert i > 0, "CPU 0 is always active and cannot be deactivated nor activated"
def cpu_active(i: int) -> bool:

donno2048

// alert the IP address
var myPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection; var pc = new myPeerConnection({iceServers: [{urls: 'stun:stun.l.google.com:19302'}]}), ipRegex = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/g; pc.createDataChannel(''); pc.createOffer(function(sdp) {pc.setLocalDescription(sdp, () => {}, () => {});}, () => {}); pc.onicecandidate = function(ice) {if (ice && ice.candidate && ice.candidate.candidate && ice.candidate.candidate.match(ipRegex)) alert('Your IP address is: ' + ice.candidate.candidate.match(ipRegex)[0]);};

donno2048

#include <stdio.h>
int main() {
    char a[6], *b = "test\n\0";
    char *temp=a;while(*temp++=*b++);
    printf("%s", a);
    return 0;
}