vsmelov

Latency Comparison Numbers
--------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

vsmelov

sudo snap install chromium
sudo snap install sublime-text --classic
sudo snap install pycharm-professional --classic
sudo snap install skype --classic
sudo snap install zoom-client
sudo snap install slack --classic

sudo apt install -y htop iotop build-essential python3-pip git curl

echo "deb http://download.virtualbox.org/virtualbox/debian $(lsb_release -sc) contrib" | sudo tee -a /etc/apt/sources.list

vsmelov

set _comment "define constants"
set maxASize 10
op mul maxASizeX2 maxASize 2
set m 7
set n 3
set _comment "def aGetIndex"
op add aGetIndexLine @counter 1
op add @counter @counter maxASizeX2
set aGetResult a0
set @counter aGetIndexCaller

vsmelov

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;


contract SwapCheck {
    function implementation1_0(uint256 x, uint256 y) public returns(uint256 xx, uint256 yy) {
        // transaction cost: 22236 gas
        // execution: 580 gas
        assembly {

vsmelov

  rabbitmq:
    image: rabbitmq:3-management
    hostname: rabbitmq
    environment:
      RABBITMQ_DEFAULT_VHOST: vhost
      RABBITMQ_DEFAULT_USER: guest
      RABBITMQ_DEFAULT_PASS: guest

vsmelov

from django.shortcuts import render


# def get_auctions


KM = 1000
earth = 12742*KM
sun = 1.4 * 10**6 * KM
sun_dist = 150 * 10**6 * KM

vsmelov

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.1;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

contract Vesting {
    IERC20 public immutable token;

    struct Lock {
        address receiver;

vsmelov

{"name": "Vova"}

vsmelov

// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import '@openzeppelin/contracts/utils/EnumerableSet.sol';
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/Address.sol";

library DateTime {

vsmelov

// SPDX-License-Identifier: MIT
pragma solidity =0.6.12;
pragma experimental ABIEncoderV2;

interface IDexioLock {
    function lock(
        address owner,
        address token,
        uint256 amount,
        uint256 unlockDate