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Ask HN: What do you code when learning a new language/framework?
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Re: Ask HN: What do you code when learning a new language/framework?
#92I'm an embedded/real-time/systems software developer. The realms I work in tend to be either the very small or the very large. When I wanted to learn Rust and Go, I coded the same application in both of them, one that I had previously coded in Java, C++, and C: I implemented the Generic Cell Rate Algorithm using a virtual scheduler. The GCRA is a traffic shaping algorithm that takes as parameters a desired peak rate,…
same embedded developer here, my problem is that daily job only needs c/c++ so my skill about python or js or golang is always weak -- after a while I forgot many of their details due to lack of serious need... my problem is: how to keep 3~4 language 'warm' at all times? write some code daily on each?
Write a web UI interfacing with your embedded stuff?
Then you can swap out all the python/njs/js frameworks to your heart's content.
Re: Ask HN: What do you code when learning a new language/framework?
#93I'm a full-stack Rails dev and I have two glacially slow learning projects going on: an early-facebook clone to learn Elixir + Phoenix and a macOS timesheet app to learn Swift + SwiftUI.
Both stacks are totally great and enjoyable btw, would recommend.
When I first meet a language I usually crack open the docs and then write a single micro project, like a BFS maze solver or a knapsack problem solver or something Advent of Code-esque, just to get to know all the primitives quickly -- different kinds of variables, arrays, dicts, control flow, closures, error handling.
Re: Ask HN: What do you code when learning a new language/framework?
#94For me, I screw around building something, but then “settle in” when I write hardcore unit tests that shore up my knowledge and reinforce my understanding of the language or framework.
Until I do that, and I mean truly do that, I am prone to all sorts of surprises when running my code and have little confidence.
Most recently I’ve done this with fp-ts (a functional programming library for typescript) and a wrapper around hledger (a plain text accounting app). Because the later is Haskell, I figured I might open myself up to a rewrite at some point in the future.
Re: Ask HN: What do you code when learning a new language/framework?
#95It depends on the reason to learn a new language. Once you know a few languages, you generally only learn a new one if you are trying to solve a specific problem that it can do better.
What I try is to solve a small piece of the problem I am trying to solve to get more familiar with it before committing.
Re: Ask HN: What do you code when learning a new language/framework?
#96I write a 9P server, and, if I'm enjoying the language, a ray tracer.
Re: Ask HN: What do you code when learning a new language/framework?
#97I've ported this Boulderdash clone 4 times. It's arguably not a good way of exercising a language as it's pretty trivial, doesn't use any data structures or other interesting language features
Re: Ask HN: What do you code when learning a new language/framework?
#98I have a backlog of languages/tech and just choose a fitting one when I have a small problem to solve.
Re: Ask HN: What do you code when learning a new language/framework?
#99I build an Abstract Syntax Tree (AST) and usually something with a fluent interface that builds a query. I find this helps me understand the nuances of interfaces and inheritance in a given language and I’m generally interested in the problem so I tend to get far enough to really learn something.
It also helps to practice breaking a problem into steps as an AST is structured in such a way as to encapsulate distinct behavior within a node. Often this will result in using something akin to the Visitor pattern and this helps you further separate behavior from form.
I am a full stack senior dev, work often in Go or Node/JS when building services and React/JS when building front ends.
Re: Ask HN: What do you code when learning a new language/framework?
#100I build an Abstract Syntax Tree (AST) and usually something with a fluent interface that builds a query. I find this helps me understand the nuances of interfaces and inheritance in a given language and I’m generally interested in the problem so I tend to get far enough to really learn something. It also helps to practice breaking a problem into steps as an AST is structured in such a way as to encapsulate distinct b…
AST?