ivanleoncz ivanleoncz

## generate_fake_nginx_access_log.py
from datetime import datetime, timedelta
from ipaddress import ip_network
import random

filename = 'fake_access.log'

number_of_lines = 20

ips = list(ip_network('123.25.44.0/28').hosts())
ips += list(ip_network('25.1.4.128/28').hosts())

## time_ex_1.py
import os
import time

print("Operating System: ", os.uname().sysname)

print("\nTime in UTC since Unix time epoch (1970-01-01 00:00:00).")
print("As seconds:               ", time.time())
print("As string:                ", time.ctime())
print("Seconds in the future:    ", time.ctime(2065944467))
print("One second behind epoch:  ", time.ctime(-1))

## ex_1.py
$ python3 -m timeit "'foo' + 'bar'"
50000000 loops, best of 5: 5.31 nsec per loop

## inheritance.cpp
#include <iostream>

using namespace std;


class Vehicle {
    public:
        int number_of_wheels = 0;
    public:
        string turn_on_engine() {

## encapsulation.cpp
/* C++ demonstration of OOP Encapsulation principle. */

#include <iostream>

using namespace std;

class Car {
  public:
    int number_of_wheels = 0;
    int door_angle_opening_degrees = 85;

## 1_generate_keypair.sh
# LOCAL MACHINE
ssh-keygen -t rsa -b 4096 -f /home/ivanleoncz/.ssh/mykey
# Generating public/private rsa key pair.
# Enter passphrase (empty for no passphrase):
# Enter same passphrase again:
# Your identification has been saved in /home/ivanleoncz/.ssh/mykey
# Your public key has been saved in /home/ivanleoncz/.ssh/mykey.pub
# The key fingerprint is:
# SHA256:1ATgW9Ly+FZU+gkX44mHKSYFp+/JAwHQHDpPkKoQRzg ivanleoncz@ilex-an5
# The key's randomart image is:

## file.txt
# Release Dec 1st, the stable release: https://pypi.org/project/pip-audit/
# Announced by Dustin Ingram: https://twitter.com/di_codes/status/1466109133711724551

# Output of executing pip-audit

$ pip-audit
WARNING:pip_audit._service.pypi:Warning: pip 20.0.2 doesn't support the `cache dir` subcommand, unable to reuse the `pip` HTTP cache and using "/home/ivanleoncz/.pip-audit-cache" instead
\ Auditing webencodings (0.5.1)
Found 26 known vulnerabilities in 4 packages
Name                Version ID             Fix Versions

## postgres_1_date_time_timestamp_cast_and_calculations.sql
CREATE TABLE ordered_products (
 id SERIAL PRIMARY KEY,
 name VARCHAR(50),
 department VARCHAR(50),
 price INTEGER,
 weight NUMERIC);

# Let's add some columns with TIMESTAMP data.
ALTER TABLE ordered_products ADD COLUMN created TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP;
ALTER TABLE ordered_products ADD COLUMN updated TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP;

## database.sql
-- Database Schema for simple studies of SQL, from Udemy's couse:
-- "SQL and Postgresql: The Developers Complete Developer's Guide"
-- This schema is used on the following website: https://pg-sql.com/

CREATE TABLE users(
  id SERIAL PRIMARY KEY,
  username VARCHAR(50)
);

CREATE TABLE photos (

## iterable_custom_loop_limit.py
class MyIterator:

    def __init__(self, limit):
        self.limit = limit

    def __iter__(self):
        self.a = 1
        return self

    def __next__(self):
	from datetime import datetime, timedelta
	from ipaddress import ip_network
	import random

	filename = 'fake_access.log'

	number_of_lines = 20

	ips = list(ip_network('123.25.44.0/28').hosts())
	ips += list(ip_network('25.1.4.128/28').hosts())
	import os
	import time

	print("Operating System: ", os.uname().sysname)

	print("\nTime in UTC since Unix time epoch (1970-01-01 00:00:00).")
	print("As seconds: ", time.time())
	print("As string: ", time.ctime())
	print("Seconds in the future: ", time.ctime(2065944467))
	print("One second behind epoch: ", time.ctime(-1))
	$ python3 -m timeit "'foo' + 'bar'"
	50000000 loops, best of 5: 5.31 nsec per loop
	#include <iostream>

	using namespace std;


	class Vehicle {
	public:
	int number_of_wheels = 0;
	public:
	string turn_on_engine() {
	/* C++ demonstration of OOP Encapsulation principle. */

	#include <iostream>

	using namespace std;

	class Car {
	public:
	int number_of_wheels = 0;
	int door_angle_opening_degrees = 85;
	# LOCAL MACHINE
	ssh-keygen -t rsa -b 4096 -f /home/ivanleoncz/.ssh/mykey
	# Generating public/private rsa key pair.
	# Enter passphrase (empty for no passphrase):
	# Enter same passphrase again:
	# Your identification has been saved in /home/ivanleoncz/.ssh/mykey
	# Your public key has been saved in /home/ivanleoncz/.ssh/mykey.pub
	# The key fingerprint is:
	# SHA256:1ATgW9Ly+FZU+gkX44mHKSYFp+/JAwHQHDpPkKoQRzg ivanleoncz@ilex-an5
	# The key's randomart image is:
	# Release Dec 1st, the stable release: https://pypi.org/project/pip-audit/
	# Announced by Dustin Ingram: https://twitter.com/di_codes/status/1466109133711724551

	# Output of executing pip-audit

	$ pip-audit
	WARNING:pip_audit._service.pypi:Warning: pip 20.0.2 doesn't support the `cache dir` subcommand, unable to reuse the `pip` HTTP cache and using "/home/ivanleoncz/.pip-audit-cache" instead
	\ Auditing webencodings (0.5.1)
	Found 26 known vulnerabilities in 4 packages
	Name Version ID Fix Versions
	CREATE TABLE ordered_products (
	id SERIAL PRIMARY KEY,
	name VARCHAR(50),
	department VARCHAR(50),
	price INTEGER,
	weight NUMERIC);

	# Let's add some columns with TIMESTAMP data.
	ALTER TABLE ordered_products ADD COLUMN created TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP;
	ALTER TABLE ordered_products ADD COLUMN updated TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP;
	-- Database Schema for simple studies of SQL, from Udemy's couse:
	-- "SQL and Postgresql: The Developers Complete Developer's Guide"
	-- This schema is used on the following website: https://pg-sql.com/

	CREATE TABLE users(
	id SERIAL PRIMARY KEY,
	username VARCHAR(50)
	);

	CREATE TABLE photos (
	class MyIterator:

	def __init__(self, limit):
	self.limit = limit

	def __iter__(self):
	self.a = 1
	return self

	def __next__(self):