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Any tips to help a scientist become a better programmer? (iusearchlinux.fyi)

submitted 8 months ago by [email protected] to c/[email protected]

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Hey there!

I'm a chemical physicist who has been using python (as well as matlab and R) for a lot of different tasks over the last ~10 years, mostly for data analysis but also to automate certain tasks. I am almost completely self-taught, and though I have gotten help and tips from professors throughout the completion of my degrees, I have never really been educated in best practices when it comes to coding.

I have some friends who work as developers but have a similar academic background as I do, and through them I have become painfully aware of how bad my code is. When I write code, it simply needs to do the thing, conventions be damned. I do try to read up on the "right" way to do things, but the holes in my knowledge become pretty apparent pretty quickly.

For example, I have never written a class and I wouldn't know why or where to start (something to do with the init method, right?). I mostly just write functions and scripts that perform the tasks that I need, plus some work with jupyter notebooks from time to time. I only recently got started with git and uploading my projects to github, just as a way to try to teach myself the workflow.

So, I would like to learn to be better. Can anyone recommend good resources for learning programming, but perhaps that are aimed at people who already know a language? It'd be nice to find a guide that assumes you already know more than a beginner. Any help would be appreciated.

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[–] [email protected] 3 points 8 months ago* (last edited 8 months ago)

Absolutely true.

And you make a great point that: print(f"debug: {what_the_fuck_is_this}") should absolutely be maturing into logger.log(SUPER_LOW_LVL, "{really_what_the_fuck_is_this}")

Unfortunately I have found that when print("debug") isn't working, usually logging isn't setup correctly either.

In a solidly built system, a garbage print line will hit the logs and raise several alerts because it's poorly formatted - making it easy for the developer to find.

Sadly, I often see the logging setup so that poorly formatted logs go nowhere, rather than raising alerts until they're fixed. This inevitably leads to both debug logs being lost and critical but slightly misformatted logs being lost.

Your point is particularly valuable when it's time to get the system fixed, because it's easier to say "logging needs to work" than "fix my stupid printf", even though they're roughly equivalent.

Edit: And getting back to the scripting scientist context, scripting scientists still have my formal official permission to just say "just make my print('debug') work".