ChrisPenner

Optics By Example Cheat Sheets

The following are appendices from Optics By Example, a comprehensive guide to optics from beginner to advanced! If you like the content below, there's plenty more where that came from; pick up the book!

• Operators
• Composition Guide
• Substitution Guide
• Optical Constarints and Types

Operator Cheat Sheet

rhnonose

defmodule AbsintheCollector do
  @moduledoc """
  Module to collect absinthe telemetry events
  """
  use Prometheus.Metric
  require Prometheus.Contrib.HTTP

  @events [
    [:absinthe, :resolve, :field, :start],
    [:absinthe, :resolve, :field],

slashdotdash

defmodule AggregateCase do
  @moduledoc """
  Defines a test case to be used by aggregate tests.
  """

  use ExUnit.CaseTemplate

  alias Commanded.Aggregate.Multi

  using opts do

peterc

SELECT
  schema_name, rel_name, table_size,
  pg_size_pretty(table_size) AS size
FROM (
  SELECT
    nspname AS schema_name,
    relname AS rel_name,
    pg_table_size(pg_class.oid) AS table_size
  FROM pg_class, pg_namespace
  WHERE pg_class.relnamespace = pg_namespace.oid

edolstra

Nix Flake MVP

Goals

• To provide Nix repositories with an easy and standard way to reference other Nix repositories.

• To allow such references to be queried and updated automatically.

• To provide a replacement for nix-channel, NIX_PATH and Hydra

ejpcmac

{ pkgs ? import <nixpkgs> {} }:

with pkgs;

let
  elixir_1_7_0_rc_1 = { mkDerivation }:
    mkDerivation rec {
      version = "1.7.0-rc.1";
      # Use `nix-prefetch-github --rev <version> elixir-lang elixir` to update.
      sha256 = "1hp1zdscq7h2qcgcfbzw5dx1wxy05bqlrxvv5kcl8414c69inx8g";

edolstra

This document contains some ideas for additions to the Nix language.

Motivation

The Nix package manager, Nixpkgs and NixOS currently have several problems:

• Poor discoverability of package options. Package functions have function arguments like enableFoo, but there is no way for the Nix UI to discover them, let alone to provide programmatic ways to

josevalim

# You will need fswatch installed (available in homebrew and friends)
# The command below will run tests and wait until fswatch writes something.
# The --stale flag will only run stale entries, it requires Elixir v1.3.
fswatch lib/ test/ | mix test --stale --listen-on-stdin

jhoblitt

import org.csanchez.jenkins.plugins.kubernetes.*
import jenkins.model.*

def j = Jenkins.getInstance()

def k = new KubernetesCloud(
  'jenkins-test',
  null,
  'https://130.211.146.130',
  'default',

rgaidot

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A collection of docker online resources. Source

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