zagorulkinde

--
-- PostgreSQL database dump
--

-- Dumped from database version 13.1
-- Dumped by pg_dump version 13.1


--
-- TOC entry 17 (class 2615 OID 214191)

zagorulkinde

sudo dmidecode -t memory | grep  Size: | sed -e 's/Size://g' | sed -e 's/ MB//g' | awk '{sum += $1} END {print sum}'

zagorulkinde

sudo dmidecode -t memory
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.

Handle 0x0013, DMI type 16, 23 bytes
Physical Memory Array
	Location: System Board Or Motherboard
	Use: System Memory
	Error Correction Type: Multi-bit ECC

zagorulkinde

private void start(Runnable consumer, long initialDelay, int step) {
    LOG.info("launching consumer {} ...", consumer.getClass().getCanonicalName());

    CompletableFuture<Object> promise = new CompletableFuture<>();
    LOG.info("delayed with: {}", initialDelay + step);
    scheduler.schedule(() -> promise.complete(null), initialDelay + step, TimeUnit.SECONDS);

    // waiting when promise completes
    CompletableFuture<Void> voidCompletableFuture = promise.thenRunAsync(consumer, executor)
      .exceptionally((t) -> {

zagorulkinde

class StreamTest {
  public static long factorial(long n) {
    return LongStream.range(1, n+1).reduce(1, (a,b) -> a*b);
  }
}

zagorulkinde

SELECT name, osm_id,
   ST_Distance_Sphere(ST_Transform(way::geometry, 4326),ST_SetSRID(ST_MakePoint(47.217507, 56.113372), 4326)) as dist
FROM planet_osm_point WHERE ST_Distance_Sphere(ST_Transform(way::geometry, 4326), ST_SetSRID(ST_MakePoint(47.217507, 56.113372), 4326)) < 1500 limit 10;

SELECT points.name, points.dist, nodes.tags FROM 
(SELECT name, osm_id, dist FROM
(SELECT name, osm_id, ST_Distance_Sphere(ST_Transform(way::geometry, 4326),
 ST_SetSRID(ST_MakePoint(47.24982, 56.131380000000007), 4326)) AS dist
FROM planet_osm_point 
WHERE ST_Within(ST_Transform(way::geometry, 4326),

zagorulkinde

SELECT name, osm_id,
   ST_Distance_Sphere(ST_Transform(way::geometry, 4326),ST_SetSRID(ST_MakePoint(47.217507, 56.113372), 4326)) as dist
FROM planet_osm_point WHERE ST_Distance_Sphere(ST_Transform(way::geometry, 4326), ST_SetSRID(ST_MakePoint(47.217507, 56.113372), 4326)) < 1500 limit 10;

SELECT points.name, points.dist, nodes.tags FROM 
(SELECT name, osm_id, dist FROM
(SELECT name, osm_id, ST_Distance_Sphere(ST_Transform(way::geometry, 4326),
 ST_SetSRID(ST_MakePoint(47.24982, 56.131380000000007), 4326)) AS dist
FROM planet_osm_point 
WHERE ST_Within(ST_Transform(way::geometry, 4326),

zagorulkinde

x = 1
y = 5
  
x ^= y
y ^= x
x ^= y

x = 5
y = 1

zagorulkinde

import re
from sys import argv
from time import time

class Login(object):
    def __init__(self):
        self.r = re.compile('^([a-z]|[a-z][a-z0-9-\.]{0,18}[a-z0-9])$', re.I)
        self.charmap_min = ord('a')
        self.charmap_max = ord('z')
        self.charmap_min_dig = ord('0')

zagorulkinde

def zip_gen(list_key, list_value):
    '''
    >>> dict([(a,b) for (a,b) in zip_gen([1,2,3,4], ['a','b','c','d'])])
    {1: 'a', 2: 'b', 3: 'c', 4: 'd'}
    >>> dict([(a,b) for (a,b) in zip_gen([1,2], ['a','b','c','d'])])
    {1: 'a', 2: 'b'}
    >>> dict([(a,b) for (a,b) in zip_gen([1,2,3,4], ['a'])])
    {1: 'a', 2: None, 3: None, 4: None}

    '''