Backend>Blogs/Talks

A Subtle Elixir Gotcha: Pattern Matching with Floats

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

View thread on forum
/elixir#blog-post#learning
0 22 0

Where Next?

View thread on forum
elixir
blog-post
learning
Home Backend>Blogs/Talks
/elixir#blog-post#learning
0 22 0
Last post

Popular Backend topics Top

First poster: bot
Backend>Blogs/Talks

Haskell is a Bad Programming Language (2020)
Such inflammatory, much wow. Unfortunately, Haskell itself agrees. Some languages naturally lend themselves towards adoption. Some don’t...
blog.shitiomatic.tech
/haskell#programming
0 1782 0
New
First poster: bot
Backend>Blogs/Talks

Revisiting a Video Chat Application with Phoenix and WebRTC
In a previous post we talked about implementing a simple video chat with WebRTC and Elixir. This update will touch on some of the API cha...
hashrocket.com
/phoenix#chat#video#webrtc
1 1956 0
New
First poster: bot
Backend>Blogs/Talks

What's Next for Teal, the typed dialect of Lua
What’s Next for Teal, the typed dialect of Lua - FOSDEM 2021. This is my talk about the latest updates on the Teal programming language,...
youtube.com
/lua
0 1352 0
New
First poster: bot
Backend>Blogs/Talks

An Introduction to Crystal
One of my favourite programming languages in the last few years has been Crystal. While the language has not yet reached its 1.0 version,...
blog.oisinaylward.me
/crystal
0 1490 0
New
First poster: bot
Backend>Blogs/Talks

How safe is zig?
Like, on a scale from c to rust? issue c zig (release-safe) rust (release) out-of-bounds heap read/write none runtime runtime ...
scattered-thoughts.net
/c/rust/zig
0 2083 0
New
First poster: OvermindDL1
Backend>Blogs/Talks

The Gleam Programming Language and its Creator Louis Pilfold
youtube.com
/gleam#programming
16 1819 4
New
axelson
Backend>Blogs/Talks

Hot Reloading: A Faster Way to Develop Modern Apps
I describe how we use Hot Reloading with Webpack to develop faster and show how to integrate Webpack 5, webpack-dev-server, and Phoenix f...
felt.com
/elixir#blog-post
9 1472 3
New
elbrujohalcon
Backend>Blogs/Talks

Inaka / TDD, Coverage and Why Testing Exceptions
Another week, another oldies-but-goldies post… This one about Test Driven Development.
tealfeed.com
/erlang#article#test#tdd
4 1421 0
New
ragamuf
Backend>Blogs/Talks

Roll Your Own Blog in Elixir and Phoenix
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....
gocassava.com
/elixir/phoenix#blog-post#static-site-generators
7 1310 3
New
brainlid
Backend>Blogs/Talks

Thinking Elixir 244 - Running Python in Elixir?
Episode 244 of Thinking Elixir. News includes the release of Elixir 1.18.2 with various enhancements and bug fixes, a new experimental SQ...
youtube.com
/elixir/python#podcasts#livebook
1 841 0
New

Other popular topics Top

Devtalk
General Dev>Dev Chat

HELLO WORLD (Introductions thread!)
Hello Devtalk World! Please let us know a little about who you are and where you’re from :nerd_face:
#community
482 7161 117
New
PragmaticBookshelf
Backend>Learning Resources

Programming Machine Learning
Machine learning can be intimidating, with its reliance on math and algorithms that most programmers don't encounter in their regular wor...
pragprog.com
#pragprog#ai/python#published-book/book-programming-machine-learning#math#algorithms
6 5350 3
New
AstonJ
General Dev>Hardware

CharaChorder - type at the speed of thought?
Saw this on TikTok of all places! :lol: Anyone heard of them before? Lite:
/keyboards#charachorder
13 4703 4
New
AstonJ
General Dev>Code Editors

Doom-Emacs: Can't find emacs in your PATH
If you get Can't find emacs in your PATH when trying to install Doom Emacs on your Mac you… just… need to install Emacs first! :lol: bre...
#macos/emacs#doom-emacs
4 5837 0
New
PragmaticBookshelf
Community>In The Spotlight

Spotlight: Erin Dees (Author) Interview and AMA!
Author Spotlight Erin Dees @undees Welcome to our new author spotlight! We had the pleasure of chatting with Erin Dees, co-author of ...
#author-spotlight/ruby/rails/book-effective-testing-with-rspec-3/book-seven-more-languages-in-seven-weeks/book-cucumber-recipes#rspec
24 4247 11
New
DevotionGeo
General Dev>Questions

Do you prefer regular mechanical keyboards or low profile mechanical keyboards and why?
I have always used antique keyboards like Cherry MX 1800 or Cherry MX 8100 and almost always have modified the switches in some way, like...
/keyboards#mechanical-keyboards
27 3877 9
New
hilfordjames
Windows>Chat

Taskbar Overflow Menu (NOT System Tray Overflow)
There appears to have been an update that has changed the terminology for what has previously been known as the Taskbar Overflow - this h...
#taskbar-overflow-win-11
3 3715 2
New
PragmaticBookshelf
Backend>Learning Resources

Engineering Elixir Applications
Develop, deploy, and debug BEAM applications using BEAMOps: a new paradigm that focuses on scalability, fault tolerance, and owning each ...
pragprog.com
#pragprog/elixir#published-book/book-engineering-elixir-applications
40 7136 21
New
AstonJ
AI>Chat

How to: Run DeepSeek on Mac, Windows, and Linux!
This is a very quick guide, you just need to: Download LM Studio: https://lmstudio.ai/ Click on search Type DeepSeek, then select the o...
#macs/deepseek#guides#lm-studio
14 9328 10
New
RobertRichards
Game Dev>Chat

Hair Salon Games for Girls Fun
Hair Salon Games for Girls Fun Girls Hair Saloon game is mainly developed for kids. This game allows users to select virtual avatars to ...
#ios#android#unity#fun
2 3556 1
New
Back to top

Sponsor Spotlight

Manning

Develop your skills with books, videos, and courses.

Latest in Elixir

Elixir Portal ❯

Backend>Blogs/Talks

Backend Blogs/Talks ❯

Latest on Devtalk

Devtalk ❯

We ❤️ helpful members!

We reward our most helpful members via our MOTM scheme - by giving away a whopping 25 books per year!

Member of the Month

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

Categories:

Sub Categories:

Popular Portals

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

We're in Beta

About us Mission Statement See our Roadmap