kirillsulim

public static <T> Validator<T extends Comparable<T>> positiveValidator(T zeroValue) {
    return value -> {
        if (zeroValue.compareTo(value) < 0) {
             return Optional.empty()
        }
        else {
             rerurn Optional.of(String.format("Value must be positive but was '%s'", value));
        };
}
  

kirillsulim

l = (N) => {
    sum = 0, iter = 1000000;
    for (let i = 1; i < iter; i++) {
        var s = 0,
            j = 0;
        while (s < N) {
            s += Math.random();
            j++;
        }
        sum += j;

kirillsulim

package some;

import java.time.Clock;
import java.util.Objects;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.BinaryOperator;

/**
 * SlidingWindowCounter

kirillsulim

from typing import List
import subprocess
import sys


def call_and_get_out(command: List[str]):
    with subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True) as p:
        try:
            out, err = p.communicate()
            code = p.poll()

kirillsulim

import subprocess
import os


class VirtualenvAdapter():
    def __init__(self, dir, venv_dir_name='.venv'):
        self.dir = dir
        self.venv_dir = os.path.join(dir, venv_dir_name)

    def enabled(self):

kirillsulim

• Example of telegram badge:

kirillsulim

trap "exit 1" TERM
export TOP_PID=$$

function error() {
   echo "Error: $1"
   kill -s TERM $TOP_PID
} >&2

HDIR='${HOME}'
HHDIR='${HDIR}'

kirillsulim

10 частых ошибок при миграции Oracle -> Postgres

На основе PGConf India 2020 - Top 10 Mistakes When Migrating From Oracle to PostgreSQL - Jim Mlodgenski - AWS

1. Параметры настройки

Настройки Oracle не транслируются 1 к 1 в настройки Postgres. Пример: (SGA == 16Gb) != (shared_buffer == 16Gb).

2. Tablespace

Нужен в Oracle, не нужен в Postgres.

kirillsulim

{
    "basics": {
        "name": "Kirill Sulim",
        "label": "Senior Java Developer",
        "phone": "+7-912-66-123-16",
        "url": "https://kirillsulim.github.io/",
        "summary": "I am senior java developer with 10+ years of experience. I've successfully created and developed projects in many companies, including Yandex an VK. My main goal in development is to create long-term project with good code quality and infrastructure.\n In my free time I'm developing several small open-source development tools written in Python.\n",
        "profiles": [
            {
                "network": "Telegram",

kirillsulim

from pathlib import Path


start = 3
gap = 1

for p in sorted(Path().glob("*.sql"), key=lambda p: p.name, reverse=True):
    s = p.name.split("_", maxsplit=1)
    num = int(s[0])
    name = s[1]