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artur-kovalchuk / query-processing-singlestore.sql
Created December 22, 2024 15:18 — forked from dy-singlestore/query-processing-singlestore.sql
Webinar - Query Processing
CREATE DATABASE IF NOT EXISTS dbTraining;
USE dbTraining;
CREATE ROWSTORE TABLE products(
productId int primary key,
productName varchar(40),
supplierId int,
categoryId int,
quantityPerUnit varchar(20),
@artur-kovalchuk
artur-kovalchuk / http-benchmark.md
Created March 5, 2022 18:59 — forked from denji/http-benchmark.md
HTTP(S) Benchmark Tools / Toolkit for testing/debugging HTTP(S) and restAPI (RESTful)
@artur-kovalchuk
artur-kovalchuk / LINKS.md
Last active January 22, 2022 18:54
LINKS
We couldn’t find that file to show.
@artur-kovalchuk
artur-kovalchuk / json
Last active February 6, 2020 20:56
json
var obj = {
key1: "val1",
key2: "value2"
};
var json = JSON.stringify(obj);
----------------------------------------------------------
"{"key1":"val1","key2":"value2"}"
@artur-kovalchuk
artur-kovalchuk / gist:220132e369127b2cb66097eb00d87feb
Created December 9, 2019 20:54 — forked from psayre23/gist:c30a821239f4818b0709
Runtime Complexity of Java Collections
Below are the Big O performance of common functions of different Java Collections.
List | Add | Remove | Get | Contains | Next | Data Structure
---------------------|------|--------|------|----------|------|---------------
ArrayList | O(1) | O(n) | O(1) | O(n) | O(1) | Array
LinkedList | O(1) | O(1) | O(n) | O(n) | O(1) | Linked List
CopyOnWriteArrayList | O(n) | O(n) | O(1) | O(n) | O(1) | Array
@artur-kovalchuk
artur-kovalchuk / gist:b6cd0925d3de12dd274a5fea56b5bb8a
Created December 9, 2019 20:53 — forked from psayre23/gist:c30a821239f4818b0709
Runtime Complexity of Java Collections
Below are the Big O performance of common functions of different Java Collections.
List | Add | Remove | Get | Contains | Next | Data Structure
---------------------|------|--------|------|----------|------|---------------
ArrayList | O(1) | O(n) | O(1) | O(n) | O(1) | Array
LinkedList | O(1) | O(1) | O(n) | O(n) | O(1) | Linked List
CopyOnWriteArrayList | O(n) | O(n) | O(1) | O(n) | O(1) | Array
@artur-kovalchuk
artur-kovalchuk / composing-software.md
Created October 1, 2019 05:34 — forked from rosario/composing-software.md
Eric Elliott's Composing Software Series
@artur-kovalchuk
artur-kovalchuk / readme.md
Created September 16, 2019 06:40
PUMB JWT

eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJQYWo1Q0F5d0l1ZnBBSmp5NF8xRVlhRkV0aC0wYXpLZEwwMUpqejg5OU0wIn0.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

@artur-kovalchuk
artur-kovalchuk / gist:45da130482f03f7a32d1fcba70a314d9
Created September 3, 2019 09:32
linux OS version
$ grep -F PRETTY_NAME /etc/*releas*
PRETTY_NAME="Debian GNU/Linux 9 (stretch)"
$ `echo $SHELL` --version
GNU bash, version 4.4.12(1)-release (x86_64-pc-linux-gnu)
$ nginx -v
nginx version: nginx/1.10.3
$ gdb --version
GNU gdb (Debian 8.2.1-2) 8.2.1