How to write idempotent Bash scripts
It happens a lot, you write a bash script and half way it exits due an error. You fix the error in your system and run the script again. But half of the steps in your scripts fail immediately because they were already applied to your system. To build resilient systems you need to write software that is idempotent. What is idempotency?Idempotent scripts can be called multiple times and each time it
Using the iPad Pro as my development machine
I bought an 11" iPad Pro to use it as my main development machine. Let me say it's an attempt. I'm a huge fan of Bret Victor and try to immerse myself with his ideas, papers, and videos. One of the things he talks about is how we should look into new mediums to unleash our creativity, to create "things" that were not possible before. The iPad is a very different device. I know that many people (in
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