exAspArk

import { Request, Response, NextFunction } from "express";
import { AsyncLocalStorage } from "node:async_hooks";
import { PrismaClient } from '@prisma/client';

const ASYNC_LOCAL_STORAGE = new AsyncLocalStorage();

export const setContext = (callback: (req: Request) => any) => {
  return (req: Request, _res: Response, next: NextFunction) => {
    const context = callback(req);

exAspArk

mkdir ~/vim
cd ~/vim

# Staically linked vim version compiled from https://github.com/ericpruitt/static-vim
# Compiled on Jul 20 2017
curl 'https://s3.amazonaws.com/bengoa/vim-static.tar.gz' | tar -xz

export VIMRUNTIME="$HOME/vim/runtime"
export PATH="$HOME/vim:$PATH"
cd -

exAspArk

# brew install ntfs-3g

sudo mkdir /Volumes/NTFS

diskutil list
sudo ntfs-3g /dev/disk2s1 /Volumes/NTFS -olocal -oallow_other

rsync -v --progress ~/Downloads/something /Volumes/NTFS/

sudo umount /Volumes/NTFS

exAspArk

# gem install benchmark-ips
require 'benchmark/ips'

Benchmark.ips do |x|
  x.warmup = 0

  x.report("threads") do
    thread = Thread.new { puts 'thread' }
    thread.join
  end

exAspArk

defined_indexes = Model.index_specifications.map { |s| s.fields.map(&:to_s) };
existing_indexes = Model.collection.indexes.map { |i| i['key'].keys };

missing_indexes = defined_indexes - existing_indexes
# => []
extra_indexes = existing_indexes - defined_indexes - [['_id']]
# => []

#################################################################################

exAspArk

curl -I -X OPTIONS \
  -H "Origin: http://EXAMPLE.COM" \
  -H 'Access-Control-Request-Method: GET' \
  http://EXAMPLE.COM/SOMETHING 2>&1 | grep 'Access-Control-Allow-Origin'

exAspArk

openssl genrsa -out CAroot.key 2048
openssl req -new -key CAroot.key -out CAroot.csr # CN should be different from the certificates below
openssl req -x509 -days 1825 -key CAroot.key -in CAroot.csr -out CAroot.crt
cat CAroot.crt CAroot.key > CAroot.pem

openssl genrsa -out mongod.key 2048
openssl req -new -key mongod.key -out mongod.csr
openssl x509 -req -days 1825 -in mongod.csr -CA CAroot.pem -CAkey CAroot.key -CAcreateserial -out mongod.crt
cat mongod.crt mongod.key > mongod.pem

exAspArk

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

exAspArk

Every so often I have to restore my gpg keys and I'm never sure how best to do it. So, I've spent some time playing around with the various ways to export/import (backup/restore) keys.

Method 1

Backup the public and secret keyrings and trust database

cp ~/.gnupg/pubring.gpg /path/to/backups/
cp ~/.gnupg/secring.gpg /path/to/backups/
cp ~/.gnupg/trustdb.gpg /path/to/backups/

or, instead of backing up trustdb...

exAspArk

#!/bin/sh

###############################################################################

# USAGE:
# > ansible_vault_merge.sh [-p PASSWORD_FILE VAULT_YAML_FILE

# This shell script handles conflicts generated by attempts to merge encrypted
# Ansible Vault files. Run this command to attempt a merge on the unencrypted
# versions of the file. If there are conflicts, you will be given a chance to