OrionReed

// 3D Dom viewer, copy-paste this into your console to visualise the DOM as a stack of solid blocks.
// You can also minify and save it as a bookmarklet (https://www.freecodecamp.org/news/what-are-bookmarklets/)
(() => {
  const SHOW_SIDES = false; // color sides of DOM nodes?
  const COLOR_SURFACE = true; // color tops of DOM nodes?
  const COLOR_RANDOM = false; // randomise color?
  const COLOR_HUE = 190; // hue in HSL (https://hslpicker.com)
  const MAX_ROTATION = 180; // set to 360 to rotate all the way round
  const THICKNESS = 20; // thickness of layers
  const DISTANCE = 10000; // ¯\\_(ツ)_/¯

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.

rg3915

"""
Django ORM Optimization Tips

Caveats:
* Only use optimizations that obfuscate the code if you need to.
* Not all of these tips are hard and fast rules.
* Use your judgement to determine what improvements are appropriate for your code.
"""

# ---------------------------------------------------------------------------

ibnux

:local queueName "Client-$leaseActMAC";
 
:local ipAdd "$leaseActIP/32"; 

:if ([:len [/queue simple find name=$queueName]] = 0) do={
:log info "No Queue";
        /queue simple add name=$queueName target=($ipAdd) limit-at=10M/4M max-limit=10M/4M comment=[/ip dhcp-server lease get [find where active-mac-address=$leaseActMAC && active-address=$leaseActIP] host-name];
    } else={
:log info "exists";
:local ada [/queue simple get [find name=$queueName] target];

fleepgeek

from django.apps import AppConfig

class ForumConfig(AppConfig):
    name = 'forum'
    # This function is the only new thing in this file
    # it just imports the signal file when the app is ready
    def ready(self):
        import your_app_name.signals

styblope

Enable TCP port 2375 for external connection to Docker

See this issue.
Docker best practise to Control and configure Docker with systemd.

1. Create daemon.json file in /etc/docker:

    {"hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]}
   

kekru

Enable Docker Remote API with TLS client verification

Docker's Remote API can be secured via TLS and client certificate verification.
First of all you need a few certificates and keys:

• CA certificate
• Server certificate
• Server key
• Client certificate
• Client key

Create certificate files

rahilwazir

VMDK to VHDX

Follow [steps][1]:

• Download: http://download.microsoft.com/download/9/1/E/91E9F42C-3F1F-4AD9-92B7-8DD65DA3B0C2/mvmc_setup.msi (thanks @xavery)
• Open Powershell as administrator and run Import-Module 'C:\Program Files\Microsoft Virtual Machine Converter\MvmcCmdlet.psd1'
• And after ConvertTo-MvmcVirtualHardDisk -SourceLiteralPath d:\scratch\vmx\VM-disk1.vmdk -VhdType DynamicHardDisk -VhdFormat vhdx -destination c:\vm-disk1

syedrakib

# Inspired from https://pythonprogramming.net/encryption-and-decryption-in-python-code-example-with-explanation/
# PyCrypto docs available at https://www.dlitz.net/software/pycrypto/api/2.6/

from Crypto.Cipher import AES
import base64, os

def generate_secret_key_for_AES_cipher():
	# AES key length must be either 16, 24, or 32 bytes long
	AES_key_length = 16 # use larger value in production
	# generate a random secret key with the decided key length

danni

from django import forms
from django.contrib.postgres.fields import ArrayField


class ChoiceArrayField(ArrayField):
    """
    A field that allows us to store an array of choices.
    
    Uses Django 1.9's postgres ArrayField
    and a MultipleChoiceField for its formfield.