ajcerejeira

# Lightning talk @ DjangoCon EU 2022
# Afonso Cerejeira <github.com/ajcerejeira>

# Intro
# =====
#
# - Makefiles are a set of rules for building targets based on prerequisites;
# - Usually both targets and prerequisites represent filenames;
# - Makefiles define dependency graphs;

kuzemkon

terraform {
  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 4.0"
    }
  }
}

provider "aws" {

toyama0919

Autoscaling色々

はじめに

• autoscaling全般についてはなします
• terraformのコードがいっぱい出てきます

はなすこと

• application autoscaling

txoof

Setting up Python with TK on Mac OS

From scratch:

Uninstall homebrew if needed:

Remove homebrew from Catalina-Mojave:

https://osxdaily.com/2018/08/12/how-uninstall-homebrew-mac/

```
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall.sh)"

jainmickey

# Standard Library
import re

# Third Party Stuff
from django.db import models
from django.contrib.postgres.indexes import GinIndex
from django.contrib.postgres.search import (
    SearchQuery,
    SearchRank,
    SearchVector,

tomhicks

/*
Copy this into the console of any web page that is interactive and doesn't
do hard reloads. You will hear your DOM changes as different pitches of
audio.

I have found this interesting for debugging, but also fun to hear web pages
render like UIs do in movies.
*/

const audioCtx = new (window.AudioContext || window.webkitAudioContext)()

verfriemelt-dot-org

psqlrc:

• some infos at initial connect
• predefined queries in ~/.psqlrc-include/ compiled by the _update.sh script into ~/.psqlrc-commands.sql which will be included within .psqlrc

typical worksetup:

• portforwarding from remote to local host via ssh user@host -L 5432:127.0.0.1:5432

florentbr

# disable the file picker
driver.execute_script("""
    HTMLInputElement.prototype.click = function () {
        if (this.type !== 'file') {
            HTMLElement.prototype.click.call(this);
        }
        else if (!this.parentNode) {
            this.style.display = 'none';
            this.ownerDocument.documentElement.appendChild(this);

elnygren

-- taken from https://rob.conery.io/2014/05/28/a-better-id-generator-for-postgresql/

create schema idgen;
create sequence idgen.global_id_sequence;

CREATE OR REPLACE FUNCTION idgen.id_generator(
    myts timestamp, 
    OUT result bigint) AS $$
DECLARE
    our_epoch bigint := 1314220021721;

mariocesar

Petty things that annoy a Sysadmin, also a How-To avoid madding yourself by remembering Petty things that will annoy you.

Subtle disabling of loading a .bashrc when connecting with ssh.

sysadmin says: My .bashrc file is not loading!

You could make a sysadmin expend hours trying to debug a .bashrc just by creating and empty .bash_profile in the home directory, this will override the loading of .bashrc and load the instructions in the .bash_profile instead.