mikalv

Tabs

New Tab

• :tabnew - new blank tab
• :tabedit [file] - open file in tab

Cursor Movement

• gt (:tabn) - next tab

cbaatz

-- SELECT gen_prefixed_id('account_', 20);
-- account_9f2oOuK23Xpv3rdtHnQY

-- Example usage in a table column definition:
-- id text DEFAULT gen_prefixed_id('account_', 16) PRIMARY KEY

-- Load the built-in pgcrypto module if not loaded.
CREATE EXTENSION IF NOT EXISTS pgcrypto;

-- Create a function that takes a text prefix and the length of the

onatcipli

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';

main() {
  CustomNavigationHelper.instance;
  runApp(const App());
}

class App extends StatelessWidget {
  const App({Key? key}) : super(key: key);

kconner

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options:

ttesmer

{-# LANGUAGE TypeSynonymInstances #-}
data Dual d = D Float d deriving Show
type Float' = Float

diff :: (Dual Float' -> Dual Float') -> Float -> Float'
diff f x = y'
  where D y y' = f (D x 1)

class VectorSpace v where
  zero  :: v

Snawoot

Poor Man's Global Traffic Manager

Sometimes we need to add redundancy to some service or server which happen to be a public-facing entry point of our infrastructure. For example, imagine we want to add a high availability pair for a load balancer which sits on the edge of network and forwards traffic to alive backend servers.

                                             ┌─────────────┐
                                             │             │
                                      ┌─────►│  Backend 1  │
                                      │      │             │
                                      │      └─────────────┘

mateuszkwiatkowski

This procedure was tested on FreeBSD-CURRENT build from d8819d88af52.

1. Enable linuxulator and install linux userland:

   # sysrc linux_enable="YES"
   # service linux start
   # pkg install linux_base-c7
   

AnomalRoil

# to add to your ~/.bashrc or your ~/.zshrc file. Usage: $ go switch 1.18.1
function go() {
  case $* in
    switch* )
        shift 1
        gobindir=$(go env GOBIN)
        # adapt to a valid directory at the beginning of your $PATH if you're not on systemd
        homebindir=$(systemd-path user-binaries)
        go install golang.org/dl/go"$@"@latest
        $gobindir/go"$@" download

mdegat01

blueprint:
  name: Update notifications
  description: Send notifications for new updates and install or skip on action
  homeassistant:
    min_version: '2022.4.0'
  domain: automation
  input:
    update_entities:
      name: Update entities
      description: >-

alfonsrv

#!/usr/bin/python3
# -*- coding: utf-8 -*-

# Copyright (c) Rau Systemberatung GmbH (rausys.de)
# MIT License
# credits: https://pyimagesearch.com/start-here/

import argparse
import os
from datetime import datetime, timedelta