asaaki

#!/bin/sh

# time execution
time bin/rubocop -L --stderr $(git diff --name-only --cached | grep '\.rb')

# bare minimum
bin/rubocop $(git diff --name-only --cached | grep '\.rb')

# -L = list files (good to see which one got checked since we don't see the nested command's output
# --stderr = may or may not be useful to pipe output there

asaaki

// https://rust-lang.github.io/api-guidelines/future-proofing.html

/*
The following traits should never be used in bounds on data structures:

* Clone
…
*/

#[derive(Clone, Debug)]

asaaki

# .github/workflows/delete-branch.yaml
name: Delete unmerged branch

on:
  pull_request:
    branches: [ main ]
    types: [ closed ]

jobs:
  worker:

asaaki

FROM postgres:11.5

RUN apt-get update && apt-get install -y curl
RUN curl https://dl.2ndquadrant.com/default/release/get/deb | bash && apt-get update

### IMPORTANT: use 2.2.2 instead of 2.2.1! Otherwise PG 11.5 is very sad!
RUN apt-get install -y -V postgresql-${PG_MAJOR}-pglogical=2.2.2-1.stretch+1

# the following copied from https://github.com/reediculous456/docker-pglogical/blob/master/Dockerfile

asaaki

[core]
  # ...

[init]
  defaultBranch = main

[commit]
  gpgsign = true

# you want that to have a default for locations outside of your regular dev folders

asaaki

// Fetch - readable on origin only (it does make the call though)
let res = await (async () => {
  const url = "https://markentier.tech/feed.json";
  // const url = "https://dummy.restapiexample.com/api/v1/employee/9";
  const res = await fetch(url, { mode: "no-cors" });
  if(res.ok && res.status === 200) {
    const body = await res.json();
    return {body}
    // const headers = Object.fromEntries(res.headers);
    // return { body, headers }

asaaki

/*


    IMPORTANT NOTE: It is not a good idea to use this pattern in production code!


*/

// Q&D way of catching all errors without worrying about their types at compile time
// @see https://doc.rust-lang.org/stable/rust-by-example/error/multiple_error_types/boxing_errors.html

asaaki

#!/usr/bin/env ruby
# gem install benchmark-ips
require 'benchmark'
require 'benchmark/ips'

# https://github.com/evanphx/benchmark-ips#custom-suite
class GCSuite
  def warming(*); run_gc; end
  def running(*); run_gc; end
  def warmup_stats(*); end

asaaki

// Recursion: TCO (Tail Call Optimization)
// Computerphile: https://www.youtube.com/watch?v=_JtPhF8MshA

fn fib(n: usize) -> usize {
    fib_go(n, 0, 1)
}

fn fib_go(n: usize, a: usize, b: usize) -> usize {
    match (n, a, b) {
        (0, v, _) => return v,

asaaki

(Forked fork, that works on macos, too)

Makes little scrolly text jiffs in Flywheel colors.

Prerequisites

• macos: brew install fontconfig imagemagick gifsicle
• Linux: sudo apt install fontconfig imagemagick gifsicle

Usage