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Gabriel Saldanha

making the (software) world better than complex

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How to write concurrent code using Python's Future

Nov 25, 202010 min read

Python futures (concurrency) tl;dr; Using concurrency to speed up things is quite simple in Python using the concurrent.futures module. However, it's no silver bullet and one must know when to use it. All started with generators... In a previous p...

Persist data to the Ethereum blockchain using Python, Truffle, and Ganache

May 25, 20209 min read

The previous post demonstrated how to write a simple smart contract with Solidity and deploy it to the Ethereum Blockchain. This tutorial will show how to update the contract to save some data in the blockchain as well as how to inspect the blockchai...

Deploy a Smart Contract on Ethereum Blockchain with Python, Truffle and web3py

May 12, 20206 min read

In this tutorial, we'll write a simple smart contract, deploy it to a personal Ethereum blockchain, and call the contract from a Python script. What you need to have installed before we proceed: Python3 v3.5.3 or later, I had some issues using versi...

Using Python Generators to avoid extra service calls

Apr 29, 20204 min read

I've been using Python Generators for a while now, having to deal with large Django Querysets, reading large Excel files, and being able to save memory by using generators became part of my day to day work. However, these days I faced a different pro...

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