shmalex

import numpy as np
import matplotlib.pyplot as plt

def simulate_bernoulli_trials(p, n):
    return np.random.binomial(1, p, n)

def wald_test_statistic(data, p_null):
    p_hat = np.mean(data)
    se = np.sqrt(p_hat * (1 - p_hat) / len(data))
    return (p_hat - p_null) / se

shmalex

// Даны три целые числа a, b, c  больше 0. 
// Есть два варианта либо добавлять b к a (a+=b), либо добавлять a к b (b+=a).  
// В результате  получаются новые значение а  и b. 
// Напишите программу, которая выведет YES или NO в зависимости от того можете ли получить  значение c,  добавляя  a к b  или b к a друг к другу.

var a = 5;
var b = 7;
var c = 123;

/*

shmalex

https://stackoverflow.com/questions/62961427/disable-docker-upon-startup-in-ubuntu-20-04

Disable docker

sudo systemctl stop docker
sudo systemctl stop docker.service
sudo systemctl stop docker.socket
sudo systemctl disable docker.service
sudo systemctl disable docker.socket

shmalex

List users

https://www.godaddy.com/help/remove-a-linux-user-19158

cat /etc/passwd

Each row represents a user and the fields separated by the colon (:) has the following meaning:

• User name
• Password, x means that a password is set for the user
• User ID (UID)
• User's group ID (GID)

shmalex

Add key to agent

run the agent process

eval $(ssh-agent)

ssh-add [key]

redo when restated

shmalex

Generate your key and copy to server

ssh-keygen

Copy to server

linux:

ssh-copy-id -i ~/.ssh/mykey user@host -p 22

windows:

shmalex

# New github ssh key
ssh-keygen -t rsa -b 4096 -C "fancy-email@banana.com" -f outputfile

# calculate the SHA265 of the public key
ssh-keygen  -lf outputfile.pub

shmalex

import numpy as np
import time
import sys
import argparse as ap
from collections import Counter as cnt

def rule_inrow(psw):
    p = ''
    for i in psw:
        if p == i:

shmalex

import numpy as np
def sum_of_bins_greater_then(n):
  print("n =",n)
  left = []
  for i in range(2**n):
    left += [sum(int(x) for x in bin(i)[2:])]
  up = []
  for i in range(2**(n+1)):
    up += [sum(int(x) for x in bin(i)[2:])]
  print("Matrix shape", len(left),'x',len(up))

shmalex

import pandas as pd
import numpy as np
import math
from matplotlib import pyplot as plt

# data file should have one column with price data
df = pd.read_csv('../data/ninja-trade/data.txt')

col = 'close'
period = 9