leonid-shevtsov

require 'concurrent/atomic/read_write_lock'
require 'benchmark/ips'
require 'active_support/core_ext/string'
rw = Concurrent::ReadWriteLock.new

Benchmark.ips do |x|
  x.report("with_read_lock") do
    rw.with_read_lock do
      Math.sqrt(4)
    end

leonid-shevtsov

#!/bin/sh

GITHUB_PAT_TOKEN=github_pat_xxx
REPO=myuser/myrepo
FILEPATH=online.txt

# echo -n '...' | base64
INCREMENT='Li4u'

FILEINFO=$(curl \

leonid-shevtsov

// 1. Set up Firebase app
// 2. Set up Slack webhook
// 3. Configure slack.webhook_url in the app
// 4. Deploy functions
// 5. Note the `canary` function URL
// 6. Make sure to GET the `canary` endpoint once an hour.
// 7. That's all!

import * as admin from "firebase-admin";
import * as functions from "firebase-functions";

leonid-shevtsov

require 'benchmark/ips'

def sum(x, y)
  x + y
end

def nested_sum(x, y)
  sum(x, y)
end

leonid-shevtsov

function fish_prompt
    if not set -q VSCODE_WS; or test $VSCODE_WS = '${workspaceFolder}'
        # not vscode or no active workspace
        set shortpath (prompt_pwd)
    else
        set shortpath (realpath --relative-to $VSCODE_WS .)
        if test (string sub --length 2 $shortpath) = ".."
            # working dir is outside of workspace
            set shortpath (printf "🌍 %s" (prompt_pwd))
        else if test $shortpath = '.'

leonid-shevtsov

function signedHeaders($headers) {
  return array_join(array_sort(function ($a, $b) { return $a < $b; }, array_map(function($key) { return str_lower($key); }, array_keys($headers))), ";");
}

function canonicalRequest($method, $uriPath, $queryString, $headers, $signedHeaders, $requestBody) {
  $headersString = array_join(array_sort(function ($a, $b) { return $a < $b; }, array_map(function($key) closure($headers) { return str_lower($key) . ":" . $headers[$key]. "\n"; }, array_keys($headers))));
  $payloadHash = sha2($requestBody, 256);
  return $method . "\n" . $uriPath . "\n" . $queryString . "\n" . $headersString . "\n" . $signedHeaders . "\n" . $payloadHash;
}

leonid-shevtsov

<?

// расчет числа рабочих дней в промежутке дат

// $start_day = 1 марта 2020, $total_days = 12
function workday_count($start_day_as_timestamp,$total_days)
{
    //$weekday 0 = Sun 1 = Mon ...   
    $weekday = date('w',$start_day_as_timestamp);   
    //  $weekday = 0:  1 марта 2020 - воскресенье

leonid-shevtsov

import * as React from 'react';

export type ToggleChildProps = {
  toggle: () => void;
};

type WithToggleChildProps<P extends object> = ToggleChildProps &
  Pick<P, Exclude<keyof P, 'viewComponent' | 'editComponent'>>;

type ToggleProps<P extends object> = {

leonid-shevtsov

require 'set'
require 'benchmark/ips'

Benchmark.ips do |x|
  array = (1..50000).to_a
  shuffled_array = array.shuffle
  set = array.to_set
  hash = array.zip([false]*50000).to_h
  x.report("with array") { array.include?(Random.rand(50000)) }
  x.report("with shuffled array") { shuffled_array.include?(Random.rand(50000)) }

leonid-shevtsov

package main

import (
	"fmt"
	"math/rand"
	"time"
)

func sortedChan(inputChans []<-chan int) <-chan int {
	outChan := make(chan int)