MatiFalcone

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;

//  ==========  External imports    ==========

import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721EnumerableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol";

//  ==========  Internal imports    ==========

solalette

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @dev The contract has an owner address, and provides basic authorization control whitch
 * simplifies the implementation of user permissions. This contract is based on the source code at:
 * https://github.com/OpenZeppelin/openzeppelin-solidity/blob/master/contracts/ownership/Ownable.sol
 */
contract Ownable
{

18dew

Covid Score

Problem Statement

In vast country like india its virtually impossible to test entire population hence we need to develop a solution which derives a risk score for public based on their exposure to infected people over a specificed period of duration. If the exposure is above a threshold limit specified by goverment then person will have to take test.

Purpose of the problem definition is to come up with a scoring mechasim based on intersection and exposure with infected person path.

Ideal scoring mechanism would quantify the level of exposure a person have had with infected person. ( Note the exposure has no upper bound )

stevenc81

The Minimalist DeFi Liquidity Alert - An effective way to manage DeFi bank run risk

What the hell are you babbling about?

For those who have no idea what the title says, I offer my apology here. Finance by itself is a deep topic with many trade-offs, similar to the world of engineering. According to a greate economists Thomas Sowell

There are no solutions, only trade-offs

In the DeFi (Decentralized Finance) sense, as much as we all love the high interest rates, the trade-offs aren't always clear in this nascent industry. The underlying concept is really simple and sound. It goes something like this:

LukasMusebrink

The current list contains 438 sessions. The list will be updated regularly, at least once a day during reinvent. Last update: 2018-12-02 06:58 +00:00

Title	Description	Video
[NEW LANUCH!] Building modern apps using Amazon DynamoDB transactions (DAT374)	DynamoDB transactions enables developers to maintain correctness of their data at scale by adding atomicity and isolation guarantees for multi-item conditional ...	{:target="_blank"}
[NEW LAUNCH!] AWS License Manager Deep Dive (CMP393)	AWS License Manager is a new service that makes it easy to bring your existing licenses to the AWS cloud and reduce licensing costs. This service offers a ...	[](http://www.youtube.com/watch?v=r7pdaM3OAAQ "AWS re:Invent 2018: [NEW LA

h0bbel

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted

cryppadotta

Tradingview Watchlist Import Files for Crypto Exchanges

Below you'll find Tradingview import files for Bittrex and Binance BTC-base markets

Ordered by CMC's Market Cap

I use Tradingview and I like to quickly click through all coins on a particular exchange. The files below can be imported into a Tradingview watchlist.

★ ★ ★ If you use these, leave a comment or a star above ★ ★ ★

MiguelBel

sudo apt-get update
sudo apt-get install golang-go -y
wget https://dist.ipfs.io/go-ipfs/v0.4.10/go-ipfs_v0.4.10_linux-386.tar.gz
tar xvfz go-ipfs_v0.4.10_linux-386.tar.gz
sudo mv go-ipfs/ipfs /usr/local/bin/ipfs

AlwaysBCoding

// AlwaysBCoding Screencast - Introduction to AWS EC2
https://www.youtube.com/watch?v=jFBbcleSPoY

// Create a new EC2 Instance on aws.amazon.com (Amazon Linux AMI)
// =====================

// edit permissions on pem file
chmod 400 {keyfile}.pem 

// ssh into instance, while exposing remote port for remote Atom

santoshachari

#Steps to install latest Laravel, LEMP on AWS Ubuntu 16.4 version. This tutorial is the improvised verision of this tutorial on Digitalocean based on my experience.

Install PHP 7 on Ubuntu

Run the following commands in sequence.

sudo apt-get install -y language-pack-en-base
sudo LC_ALL=en_US.UTF-8 add-apt-repository ppa:ondrej/php
sudo apt-get update
sudo apt-get install zip unzip