pprzetacznik

from random import random
NUM_SAMPLES = 10000

def sample(p):
    x, y = random(), random()
    return 1 if x*x + y*y < 1 else 0

count = sc.parallelize(xrange(0, NUM_SAMPLES)).map(sample) \
             .reduce(lambda a, b: a + b)
print "Pi is roughly %f" % (4.0 * count / NUM_SAMPLES)

pprzetacznik

iex(38)> map                                
%{"key" => "value"}
iex(39)> Poison.Encoder.encode(map, [])
[123, [[34, ["key"], 34], 58, [34, ["value"], 34]], 125]

pprzetacznik

library(dplyr)
data <- read.csv("gau12jbs Master 100715.csv", header=TRUE)

names <- select(data, starts_with("RV"), starts_with("RC"), starts_with("SW"), starts_with("SN"), starts_with("WC"), starts_with("AP"), starts_with("PH"), starts_with("SD"), starts_with("SY"), starts_with("RH"), starts_with("FS") ) %>%
  na.omit %>%
  row.names

train_names <- sample(names, length(names) * 7/10, replace = FALSE)
test_names <- setdiff(names, train_names)

pprzetacznik

[pankracy@piotrek-fedora blog]$ MIX_ENV=prod mix release
Building release with MIX_ENV=prod.

You have dependencies (direct/transitive) which are not in :applications!
The following apps should to be added to :applications in mix.exs:

        earmark => earmark is missing from blog

Continue anyway? Your release may not work as expected if these dependencies are required! [Yn]: 

pprzetacznik

function anonymous() {

	var world = new CAWorld({
		width: 192,
		height: 128,
		cellSize: 3
	});

	world.palette = [
		'68, 36, 52, 1',

pprzetacznik

Clipboard with WSL2 and remote hosts

1. How to copy from vim to windows clipboard?
2. How to copy from tmux to windows clipboard?
3. How to copy from remote tmux/vim to windows clipboard?

Install VcXsrv

Config on host

pprzetacznik

DBT

• https://towardsdatascience.com/modern-data-stack-which-place-for-spark-8e10365a8772
• https://towardsdatascience.com/the-modern-data-pattern-d34d42216c81
• https://towardsdatascience.com/running-dbt-using-gitlab-ci-cd-8a2ef0f05af0
• https://towardsdatascience.com/tagged/dbt

HBase

• https://stackoverflow.com/questions/52242503/storing-data-in-hbase-vs-parquet-files

pprzetacznik

# https://stackoverflow.com/questions/652276/is-it-possible-to-create-anonymous-objects-in-python

from typing import Dict

class MicroMock:
    def __init__(self, **kwargs: Dict) -> None:
        self.__dict__.update(kwargs)
        
MicroMock(text="aaa")

pprzetacznik

import heapq
import time
from collections.abc import Callable
from typing import Any


class _Cache:
    def __init__(self, my_fun: Callable, cache_limit: int = 3) -> None:
        self.cache_limit = cache_limit
        self.my_fun = my_fun

pprzetacznik

import pickle


class Board:
    def __init__(self):
        self.board = [['.']*3 for i in range(3)]
      
    def mark(self, x, y, sign):
        self.board[x][y] = sign