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Truffle: going from ganache to testnet (ropsten)

Posted on October 5, 2018 by Chris Griffith Overview Tutorial 1

Truffle is an amazing suite of tools created by Consensys to develop smart contracts for the Ethereum blockchain network. However, it can be a bit jarring to make the leap from local development to the real test network, ropsten. Required Setup For this walk through, I...

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Discover AWS State Machines using Python Lambdas for an ETL process

Posted on July 30, 2018 by Chris Griffith Coding Tutorial 0

Step Functions, State Machines, and Lambdas oh my! AWS has really been expanding what you can do without needing to actually stand up any servers. I’m going to walk through a very basic example of how to get going with your own Python code to create an...

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Uploading large files by chunking – featuring Python Flask and Dropzone.js

Posted on May 31, 2018 by Chris Griffith Coding Tutorial 9

It can be a real pain to upload huge files. Many services limit their upload sizes to a few megabytes, and you don’t want a single connection open forever either. The super simple way to get around that is simply send the file in lots of...

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Interprocess Communications

Posted on March 21, 2018 by Chris Griffith Coding Overview 0

Dealing with communications across programs, processes or even threads can be a real pain in the patella. Each situation usually calls for something slightly different and has to work with a limited set of options. On top of that, a lot of tutorials I see are people...

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ThreadPools explained – In the deep end

Posted on December 18, 2017 by Chris Griffith Coding Overview 1

Thread and Multiprocessing Pools are an underused feature of Python. In my opinion, they are the easiest way to dip your feet into concurrency, and yet still the method I use most often. They allow you to easily offload CPU or I/O bound tasks to a...

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