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Kirill Marenov kmarenov

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kmarenov / gist:e0fbd6002a2e73ba0dffc462820b26f9
Created September 5, 2021 13:33
Exercise: Web Crawler
package main
import (
"fmt"
"sync"
"time"
)
type Fetcher interface {
// Fetch returns the body of URL and
@kmarenov
kmarenov / gist:0276950deb6886a5e5c402d45aefec3e
Created September 5, 2021 12:16
Exercise: Equivalent Binary Trees
package main
import (
"golang.org/x/tour/tree"
"fmt"
)
// Walk walks the tree t sending all values
// from the tree to the channel ch.
func Walk(t *tree.Tree, ch chan int) {
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kmarenov / islands.py
Created March 17, 2021 12:41
islands = [
[0, 1, 1, 1, 1],
[0, 1, 1, 0, 1],
[0, 0, 0, 1, 0],
[1, 1, 1, 0, 0],
];
def islands_num(matr):
m = len(matr)
@kmarenov
kmarenov / gist:d27f74d52ea3c3f02542a6770ff18c81
Created July 8, 2020 07:27
2020-07-08 10:25:48.396 7867-7909/com.hardworkers.development E/GraphResponse: {HttpStatus: 400, errorCode: 100, subErrorCode: 33, errorType: GraphMethodException, errorMessage: Unsupported get request. Object with ID '1639923286166934' does not exist, cannot be loaded due to missing permissions, or does not support this operation. Please read the Graph API documentation at https://developers.facebook.com/docs/graph-api}
@kmarenov
kmarenov / gist:fdee2d87dee44e4de99953c4c666f82c
Created November 1, 2019 21:30
var stdin = process.openStdin();
stdin.addListener("data", function(d) {
var a = d.toString().split(" ");
console.log(parseInt(a[0]) + parseInt(a[1]));
});
@kmarenov
kmarenov / gist:b25ef76834774da24a0f35e72fa3e305
Last active October 18, 2019 09:51
prefix to infix
function convert(tokens) {
const token = tokens.splice(0, 1)[0];
if (token === 'NOT') {
return `(${token} ${convert(tokens)})`;
}
if (['AND', 'OR'].includes(token)) {
return `(${convert(tokens)} ${token} ${convert(tokens)})`;
}
@kmarenov
kmarenov / gist:b618c8e4ef9ac615d4e5855389dc45f9
Created April 23, 2018 19:29
const reverse = str => {
let rev = '';
for (let i = str.length-1; i >= 0; i--) {
rev += str[i];
}
return rev;
};
@kmarenov
kmarenov / gist:6754c013c28266b291b9e09226ba9cda
Created September 20, 2017 14:24
SELECT COUNT(t.product_id)
FROM
(SELECT ppc.product_id AS product_id
FROM product__product_category ppc
LEFT JOIN classification__category cc ON ppc.category_id = cc.id
WHERE cc.context = 'brands'
GROUP BY ppc.product_id
HAVING COUNT(ppc.category_id) > 1
) AS t;
@kmarenov
kmarenov / gist:b99a2b5a9a5db5d8076b0cdbc18ba185
Last active September 17, 2017 19:56
SELECT
COUNT(DISTINCT v.id) FILTER (WHERE ce.timestamp >= '2016-11-01' AND ce.timestamp <= '2016-12-01' AND vg.price IS NULL) AS november_2016_null,
COUNT(DISTINCT v.id) FILTER (WHERE ce.timestamp >= '2016-11-01' AND ce.timestamp <= '2016-12-01' AND vg.price < 1000000 AND vg.price IS NOT NULL) AS november_2016_to_1M,
COUNT(DISTINCT v.id) FILTER (WHERE ce.timestamp >= '2016-11-01' AND ce.timestamp <= '2016-12-01' AND vg.price >= 1000000 AND vg.price < 3000000 AND vg.price IS NOT NULL) AS november_2016_from_1M_to_3M,
COUNT(DISTINCT v.id) FILTER (WHERE ce.timestamp >= '2016-11-01' AND ce.timestamp <= '2016-12-01' AND vg.price >= 3000000 AND vg.price < 5000000 AND vg.price IS NOT NULL) AS november_2016_from_3M_to_5M,
COUNT(DISTINCT v.id) FILTER (WHERE ce.timestamp >= '2016-11-01' AND ce.timestamp <= '2016-12-01' AND vg.price >= 5000000 AND vg.price < 8000000 AND vg.price IS NOT NULL) AS november_2016_from_5M_to_8M,
COUNT(DISTINCT v.id) FILTER (WHERE ce.timestamp >= '2016-11-01' AND ce.timestamp <= '20
@kmarenov
kmarenov / gist:8aed0bee5a65514b6dbb6c72ab4c5ef0
Created July 17, 2017 12:02
$(document.body).on('submit', 'form.valuation-request-form', function (event) {
event.preventDefault();
var title = 'Заявка принята';
var message = 'Мы свяжемся с вами в ближайшее время';
var modal = $('#md-after-subscribe');
var form = $(this);
$.ajax({
type: 'POST',