blackode

blackode

A Subtle Elixir Gotcha: Pattern Matching with Floats

Ever thought pattern matching with floats in Elixir was straightforward? We learned the hard way in production that it can be surprisingly tricky. This post dives into a real-world bug, why it happened, and how to avoid it.

https://blackode.medium.com/a-subtle-elixir-gotcha-that-bit-us-in-production-pattern-matching-with-floats-1c6a50369389?sk=e0c87477949dce239cd06428515484a2

elixir programming #PatternMatching #BugFix

Where Next?

Popular Backend topics Top

First poster: wolf4earth
Understanding Partial Moves in Rust. Partial moves are an interesting but often misunderstood feature of Rust. However, with the right ...
New
Rainer
Just wrote a short post, more a memo to myself, but maybe someone find it useful :stuck_out_tongue: https://dwarfte.ch/2021/02/03/giving...
New
AstonJ
Just listening to this now… Totally agree with @FrancescoC’s and @thompson_si’s comment “learn to learn” :sunglasses: In our talk we’...
New
First poster: bot
This post explains why Scala projects are difficult to maintain. Scala is a powerful programming language that can make certain small te...
New
First poster: bot
Just a small test with lists in cython. Considering echosystem, multithreading and ease of use, Julia is a clear winner here.
New
First poster: bot
At Grammarly, the foundation of our business, our core grammar engine, is written in Common Lisp. It currently processes more than a thou...
New
brainlid
There is a new community resource available on writing “Safe Ecto Migrations”. When we get a migration wrong, it can lock up your product...
New
brainlid
In episode 83 of Thinking Elixir, We talk with Isaac Yonemoto about the Zig language and his Zigler Elixir library. We learn where Zig ca...
New
ragamuf
Does the world need another How to create a blog article? Maybe not. But then again, creating something out of nothing is what we love....
New
penelopa
Learn how set up an RTMP server for free using the open-source Red5 software. This tutorial covers all steps from downloading the code fr...
New

Other popular topics Top

New
PragmaticBookshelf
Free and open source software is the default choice for the technologies that run our world, and it’s built and maintained by people like...
New
DevotionGeo
The V Programming Language Simple language for building maintainable programs V is already mentioned couple of times in the forum, but I...
New
rustkas
Intensively researching Erlang books and additional resources on it, I have found that the topic of using Regular Expressions is either c...
New
PragmaticBookshelf
Author Spotlight Jamis Buck @jamis This month, we have the pleasure of spotlighting author Jamis Buck, who has written Mazes for Prog...
New
PragmaticBookshelf
Develop, deploy, and debug BEAM applications using BEAMOps: a new paradigm that focuses on scalability, fault tolerance, and owning each ...
New
PragmaticBookshelf
Build modern server-driven web applications using htmx. Whatever programming language you use, you’ll write less (and cleaner) code. ...
New
AstonJ
If you’re getting errors like this: psql: error: connection to server on socket “/tmp/.s.PGSQL.5432” failed: No such file or directory ...
New
AstonJ
Curious what kind of results others are getting, I think actually prefer the 7B model to the 32B model, not only is it faster but the qua...
New
xiji2646-netizen
Woke up to this today: Claude Code’s complete source code exposed via npm source map. Not a snippet. All 512,000 lines. 1,900 TypeScript ...
New