feulf / random_nft.py

Created May 15, 2022 13:45

This code generates random patterns with ' ', +, and -

	import random

	symbols = ['-', '+', ' ', ' ', ' ', ' ']

	def get_symbol(seed: int = 1):
	# random.seed(seed)
	r = int(random.random() * 1000)
	return symbols[r % len(symbols)]

	matrix = [[get_symbol(i + j) for i in range(40)] for j in range(20)]

feulf / binary-tree.py

Created October 29, 2019 21:16

feulf / hash-table.py

Created October 29, 2019 21:06

	import hashlib

	hashed_list = [None] * 10 # create an array of None


	def key_position(key):
	string = key.encode() # convert to bytes
	hashed_key = hashlib.sha256(string) # hash the string
	hex_digest = hashed_key.hexdigest() # get the hex value
	int_digest = int(hex_digest, 16) # convert to int

feulf / bitwise-operators.py

Created October 29, 2019 21:03

feulf / data-types.py

Created October 29, 2019 20:42

Data Types in Python

	# Boolean
	# ------------------
	print(True)
	print(False)
	print(type(True))


	# Integers
	# ------------------
	# Python 3 has no limit for the data size. Aside the memory of course.

feulf / bitcoin_attacker_success_probability.c

Created October 3, 2019 19:46

C code that shows the Poisson distribution of the probability to attack Bitcoin.

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

	double AttackerSuccessProbability(double q, int z) {
	double p = 1.0 - q;
	double lambda = z * (q / p);
	double sum = 1.0;
	int i, k;
	for (k = 0; k <= z; k++)
	{

feulf / test-api.js

Created October 19, 2018 21:15

	const functions = require('firebase-functions')

	const admin = require('firebase-admin')
	admin.initializeApp()

	const db = admin.firestore()
	const settings = {timestampsInSnapshots: true};
	db.settings(settings);

feulf / lightning_network_workshop_1_commands.md

Last active April 10, 2018 05:10

Workshop Series 1: Lightning Network

Lightning Network Workshop Series 1

./btcd --simnet --rpcuser=kek --rpcpass=kek --txindex --connect=YOUR_IP

./lnd --bitcoin.active --bitcoin.simnet --bitcoin.node=btcd --btcd.rpcuser=kek --btcd.rpcpass=kek --debuglevel=trace --noencryptwallet

feulf / OTS-info.js

Created October 30, 2017 16:29

	const OpenTimestamps = require('javascript-opentimestamps');
	var fs = require('fs');

	fs.readFile('bitcoin.pdf.ots', 'utf8', (err, contents) => {
	const fileOts = Buffer.from(contents.toString('utf8'));
	const detached = OpenTimestamps.DetachedTimestampFile.deserialize(fileOts);
	const infoResult = OpenTimestamps.info(detached);
	console.log(infoResult)
	});

feulf / gist:8408501

Created January 13, 2014 21:27

tmux configuration

	# Mouse support
	setw -g mode-mouse on
	set-option -g mouse-select-pane on
	set-option -g mouse-select-window on
	set -g mouse-resize-pane on
	set -g mouse-select-window on

	# tmux vi mode
	setw -g mode-keys vi

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