jindraivanek

let (|TakeUntil|_|) x xs =
    match List.takeWhile ((<>) x) xs with
    | y when y = xs -> None
    | y -> Some(y, List.skipWhile ((<>) x) xs)

let (|Split|_|) split xs =
    match xs with
    | TakeUntil split (x1, (_ :: x2)) -> Some(x1, x2)
    | _ -> None

cpursley

PostgreSQL is Enough

• Simplify: move code into database functions
• Just Use Postgres for Everything
• PostgreSQL is the worlds’ best database
• Postgres is eating the database world
• Hacker News discussion

Background and Cron Jobs

JaggerJo

A 1000x improvement in performance

We recently had to provide (near) live data to a set of views in our application. After considering the most common ways to build this we decided to go with long polling. Our entire app is event based, so we know if a certain event happed the data might have changed. Lets assume the following types represent what can happen in our application:

type CounterEvent =
  | CounterWasIncremented byValue: int

dennisdoomen

internal class DockerMsSqlServerDatabase : IAsyncDisposable
{
    private const string Password = "!Passw0rd";
    private const string Image = "mcr.microsoft.com/mssql/server";
    private const string Tag = "2019-GA-ubuntu-16.04";

    private static IContainer _sqlServerContainer;
    private SemaphoreSlim semaphore = new(1, 1);
    private readonly string DatabaseName;

natalie-o-perret

General Stuff 🤹‍♀️🍲🐤🥗

• 📚 Website: The Official Documentation, by Microsoft
• 📚 Website: F# for Fun and Profit, by Scott Wlaschin
• 🎞️ YouTube Playlist: Learn F#, by Ben Gobeil

Practices-slash-Code Architecture 🏗🗽🛕🧱

• 📄 GitHub Gist: Effective F#, by Scott Wlaschin
• 📖 Book: Domain Modeling Made Functional, by Scott Wlaschin
• 🎞️ YouTube Video: Property Based Testing, by Scott Wlaschin
• 🎞️ YouTube Video: Active Patterns, by Paul Blasucci

joelonsql

🗺🐘 1000+ PostgreSQL EXTENSIONs

This is a list of URLs to PostgreSQL EXTENSION repos, listed in alphabetical order of parent repo, with active forks listed under each parent.

⭐️ >= 10 stars
⭐️⭐️ >= 100 stars
⭐️⭐️⭐️ >= 1000 stars
Numbers of stars might not be up-to-date.

mrange

F# Advent 2021 Dec 08 - Fast data pipelines with F#6

Thanks to Sergey Tihon for running F# Weekly and F# Advent.

Thanks to manofstick for trying out the code and coming with invaluable feedback. Cistern.ValueLinq is very impressive.

TLDR; F#6 enables data pipelines with up to 15x less overhead than LINQ

There were many interesting improvements in F#6 but one in particular caught my eye, the attribute InlineIfLambda.

umutyerebakmaz

<div x-data="{ openTab: 1 }" class="flex flex-col-reverse">
    <div class="hidden mt-6 w-full max-w-2xl mx-auto sm:block lg:max-w-none">
        <div class="grid grid-cols-4 gap-6" aria-orientation="horizontal" role="tablist">
            @foreach ($product->productImages as $productImage)
                <button x-on:click="{ openTab = {{ $loop->iteration }} }" id="tabs-1-tab-{{ $loop->iteration }}"
                    class="relative h-24 bg-white rounded-md flex items-center justify-center text-sm font-medium uppercase text-gray-900 cursor-pointer hover:bg-gray-50 focus:outline-none focus:ring focus:ring-offset-4 focus:ring-opacity-50"
                    aria-controls="tabs-1-panel-{{ $loop->iteration }}"
                    :tabindex="openTab === {{ $loop->iteration }} ? 0 : -1"
                    :aria-selected="openTab === {{ $loop->iteration }} ? 'true' : 'false'"
                    role="tab"

kurt-mueller-osumc

chadmuro

import FullCalendar from '@fullcalendar/react';
import dayGridPlugin from '@fullcalendar/daygrid';
import timeGridPlugin from '@fullcalendar/timegrid';
import interactionPlugin from '@fullcalendar/interaction';

const events = [
  {
    id: 1,
    title: 'event 1',
    start: '2021-06-14T10:00:00',