In Python, using plus signs to concatenate strings together is one of the first things you learn, i.e. print(“hello” + “world!”), and it should be one of the first things you stop using. Using plus signs to “add” strings together is inherently more error prone, messier...
Continue reading...Chris Griffith
Truffle: going from ganache to testnet (ropsten)
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...
Continue reading...Discover AWS State Machines using Python Lambdas for an ETL process
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...
Continue reading...Uploading large files by chunking – featuring Python Flask and Dropzone.js
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...
Continue reading...Interprocess Communications
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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