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A little peak into what you can do with the latest version of Explorer 😉. Using the `rle_id` function you can take the recession time series from FRED and create start/stop markers for each recessionary period. Working with time series data using Explorer and Elixir is 😍. #ElixirLang #Erlang

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Series (one-dimensional) and dataframes (two-dimensional) for fast data exploration in Elixir

Explorer version 0.13.0 was just released! This was a BIG release that brings Explorer up to date with the latest version of Polars and also adds a partition function as well as a run-length encoding function for your data frames! hex.pm/packages/ex... #ElixirLang #Erlang #MyElixirStatus

hex.pm

explorer

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⚗️ Elixir Tip #30 - @derive inspect protocol ⚗️ Did you know that you can implement your own version of the inspect protocol for your structs? Using the derive attribute you can specify which fields from the struct are visible when inspecting the struct. #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 25/09/2026

Biggest Winner Last Friday from the "Mag 7" was $MSFT 📈 Will this trend continue today or will there be a reversal? See how Microsoft's returns compared with the remaining Mag 7 stocks. #ElixirLang #Erlang #Livebook

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⚗️ Elixir Tip #29 - IEx Sigil Help ⚗️ If you are looking for the IEx help docs for sigils...you may be sad to see an error by inputting h ~s :(. Instead, you should pull up the help docs by doing h sigil_*! #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 25/09/2026

How is the "Volume King" $NVDA doing? 📈 Nvidia continues to dominate trading volume and is one of the most closely watched names in the stock market. Here’s a look at its latest candlestick action and key price moves traders are watching. #ElixirLang #Erlang #Livebook

Alex Koutmos @akoutmos.bsky.social · 24/09/2026

Same CEO two different companies: Is there a relation between $TSLA $SPCX? Elon Musk is the CEO of Tesla and SpaceX. Is their performance related? How will that evolve in the future? Let’s see their current 15-, 20-, 30-, and 50-day stock return correlations. #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 23/09/2026

Biggest mover last Tuesday from "Mag 7" was $AMZN with a percent change of -1.34% 📉 Seeing all the "Mag 7" 30-day standard deviations, which one seems the riskiest to you? #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 22/09/2026

⚗️ Elixir Tip #26 - Project Priv Dir ⚗️ You can conveniently package arbitrary files along with your libraries and applications using the priv dir and fetching the path using the Erlang standard library. #ElixirLang #Erlang #Livebook

Alex Koutmos @akoutmos.bsky.social · 22/09/2026

Biggest laggard last Monday from "Mag 7" was AAPL 📉 See their current 30-day zero-benchmark Sharpe ratios. Will this trend continue today or will there be a reversal? #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 21/09/2026

⚗️ Elixir Tip #25 - Balzing fast read only store ⚗️ Erlang comes with a special storage mechanism called persistent term. Think ETS but even faster! But only use it for reading data that never changes :). #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 21/09/2026

Biggest Winner Last Friday from the "Mag 7" was $NVDA 📈 Will this trend continue today or will there be a reversal? See how Nvidia's returns compared with the remaining Mag 7 stocks. #ElixirLang #Erlang #Livebook

Alex Koutmos @akoutmos.bsky.social · 18/09/2026

⚗️ Elixir Tip #24 - Erlang phash2 ⚗️ Did you know that you can hash any term in and clamp it to an integer range? In other words, you can get a consistent integer value given any input. Useful for partitioning and retrieving data 😉. #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 18/09/2026

Alex Koutmos @akoutmos.bsky.social · 17/09/2026

⚗️ Elixir Tip #23 - Custom Inspect ⚗️ If you are ever in need of custom debugging output when inspecting a struct, you can write your own Inspect protocol implementation with just a few lines of Elixir! #ElixirLang #Erlang #Livebook

Alex Koutmos @akoutmos.bsky.social · 17/09/2026

Alex Koutmos @akoutmos.bsky.social · 16/09/2026

⚗️ Elixir Tip #22 - Erlang math module ⚗️ If you are ever in need of some mathematical related functions don't reach for a 3rd party library until you take a look at the Erlang :math module! #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 16/09/2026

Biggest mover last Tuesday from "Mag 7" was $AMZN with a percent change of -2.02% 📉 Seeing all the "Mag 7" 30-day standard deviations, which one seems the riskiest to you? #ElixirLang #Erlang #Livebook

Alex Koutmos @akoutmos.bsky.social · 15/09/2026

⚗️ Elixir Tip #21 - Simple stream data processing ⚗️ The Enum and Stream modules complement each other quite nicely and can be used for easy and effective data processing. Take a look at how you can stream process a CSV file! #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 15/09/2026

Biggest laggard last Monday from "Mag 7" was NVDA 📉 See their current 30-day zero-benchmark Sharpe ratios. Will this trend continue today or will there be a reversal? #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 14/09/2026

⚗️ Elixir Tip #20 - Using ETS for storage ⚗️ If you are dire need of some performance gains take a look at ETS! But be careful since the ETS table lasts only as long as its parent process. #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 14/09/2026

Biggest Winner Last Friday from the "Mag 7" was $AMZN 📈 Will this trend continue today or will there be a reversal? See how Amazon's returns compared with the remaining Mag 7 stocks. #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 11/09/2026

⚗️ Elixir Tip #19 - Enum.with_index ⚗️ Often times when iterating over an enumerable, it is useful to have the index of the item as well. Particularly useful when outputting lists in LiveView. #ElixirLang #Erlang #Livebook

Alex Koutmos @akoutmos.bsky.social · 11/09/2026

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Alex Koutmos @akoutmos.bsky.social · 10/09/2026

⚗️ Elixir Tip #18 - Enum group_by ⚗️ The Enum module is a treasure trove of awesome functions. One of those function that I use often is Enum.group_by so that I can group related data together for later processing. #ElixirLang #Erlang #Livebook

Alex Koutmos @akoutmos.bsky.social · 10/09/2026

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Reposted by Alex Koutmos

ElixirConf @elixirconf.bsky.social · 09/09/2026

👀 A quick look at today's training sessions at ElixirConf US 2026 with @bartblast.com, @akoutmos.bsky.social & @fhunleth.bsky.social. Can't come to the conference in person? Register to see it online! elixirconf.com/#register #ElixirConf #ElixirConfUS #ElixirConfUS2026

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Alex Koutmos @akoutmos.bsky.social · 09/09/2026

⚗️ Elixir Tip #17 - Time unity conversion ⚗️ Often times you'll need to convert time durations from millisecond to second or vice versa. Before reaching for a library to do that, check out System.convert_time_unit/3! #ElixirLang #Erlang #Livebook

Alex Koutmos @akoutmos.bsky.social · 09/09/2026

Biggest mover last Tuesday from "Mag 7" was $TSLA with a percent change of 3.98% 📈 Seeing all the "Mag 7" 30-day standard deviations, which one seems the riskiest to you? #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 08/09/2026

⚗️ Elixir Tip #16 - Profiling Function Calls ⚗️ OTP has some phenomenal built-in observability tooling. A great one to have in the toolbox when introspecting live applications is cprof. Use it when you need to pinpoint hot spots. #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 08/09/2026

Biggest laggard last Friday from "Mag 7" was TSLA 📉 See their current 30-day zero-benchmark Sharpe ratios. Will this trend continue today or will there be a reversal? #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 07/09/2026

⚗️ Elixir Tip #15 - High performance counters ⚗️ Erlang ships with a very interesting module called counters. Reach for it when you need to increment/decrement global data in a high throughput environment. #ElixirLang #Erlang #Livebook

Alex Koutmos @akoutmos.bsky.social · 07/09/2026

Biggest Winner Last Friday from the "Mag 7" was $META 📈 Will this trend continue today or will there be a reversal? See how Meta's returns compared with the remaining Mag 7 stocks. #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 04/09/2026

⚗️ Elixir Tip #14 - Await many ⚗️ Elixir is the King of concurrency! Running and awaiting on multiple tasks is as easy as a single function call. #ElixirLang #Erlang #Livebook

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Alex Koutmos @akoutmos.bsky.social · 04/09/2026

Here's a sneak peak into what we'll be building during the @nerves-project.org training 😉. See you all at @elixirconf.bsky.social next week 👋 #ElixirLang #MyElixirStatus #Erlang

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Alex Koutmos @akoutmos.bsky.social · 04/09/2026

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Alex Koutmos @akoutmos.bsky.social · 03/09/2026

⚗️ Elixir Tip #13 - Guard clause in case ⚗️ Did you know that you can use guard clauses in more places than just functions defined via def? #ElixirLang #Erlang #Livebook