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@trbouma
trbouma / nsw.md
Last active June 1, 2026 12:28
Nostr Silent Payments

Nostr Silent Payments (NSP) Summary Brief

Jump to Use Case | Jump to Infographic | Validate Payment Example Script | Sweep Silent Payment Example Script

The BIP-352 Silent Payments proposal creates an opportunity to define a distinct Nostr Silent Payments (NSP) derivation model for a Nostr identity.

This work arose from related efforts to derive a Taproot (p2tr) address from a Nostr public key and to understand how Nostr identity material could map deterministically into Bitcoin wallet semantics. That earlier exploration made it clear that the same identity-linked approach could be extended beyond a single visible Taproot address into a richer Silent Payments receive model.

One of its most important properties is that Silent Payments can provide a static payment address: a stable Silent Payments receive identity that can be reused by senders without creating a reusable on-chain receive

@khalidx
khalidx / node-typescript-esm.md
Last active May 2, 2026 04:25
A Node + TypeScript + ts-node + ESM experience that works.

The experience of using Node.JS with TypeScript, ts-node, and ESM is horrible.

There are countless guides of how to integrate them, but none of them seem to work.

Here's what worked for me.

Just add the following files and run npm run dev. You'll be good to go!

package.json

@iamsaso
iamsaso / index.html
Last active September 21, 2022 11:04
GraphiQL with JWT
<!DOCTYPE html>
<html>
<head>
<style>
body {
height: 100%;
margin: 0;
width: 100%;
overflow: hidden;
}
@ravikiranj
ravikiranj / postman-hmac-sha512-preq-request.js
Created April 27, 2017 18:05
HMAC SHA512 Authentication Pre-request script for Postman
/* Pre-requisite
==================
1) Create an Environment (if you don't already have on) and enable it for your request
2) Add a new Header with key as "Authorization" and value as "{{hmacAuthHeader}}"
3) Add the following Pre-request Script that computes the hmacAuthHeader variable and adds it to the environment
4) Fill your CLIENT_KEY and SECRET_KEY with valid values
*/
function getPath(url) {
var pathRegex = /.+?\:\/\/.+?(\/.+?)(?:#|\?|$)/;
@coreywelch
coreywelch / LowercaseRoutes.php
Last active April 28, 2023 19:19
Here is a middleware class for laravel 5 that takes incoming routes and forces them to lowercase.
<?php
namespace App\Http\Middleware;
use Closure;
use \Illuminate\Support\Facades\Redirect;
class LowercaseRoutes
{
/**
@lukas-h
lukas-h / license-badges.md
Last active June 20, 2026 02:06
Markdown License Badges for your Project

Markdown License badges

Collection of License badges for your Project's README file.
This list includes the most common open source and open data licenses.
Easily copy and paste the code under the badges into your Markdown files.

Notes

  • The badges do not fully replace the license informations for your projects, they are only emblems for the README, that the user can see the License at first glance.

Translations: (No guarantee that the translations are up-to-date)

@samthomson
samthomson / filters.php
Created August 16, 2015 09:16
Case insensitive routing in laravel
App::before(function($request)
{
// if any characters in the route path are uppercase
if(ctype_upper(preg_replace('/[^\da-z]/i', '', $request->path()))){
// extract the path section of the url (the route) from the url and convert it to lowercase
$sNewRelativePath = str_replace($request->path(), strtolower($request->path()), $request->fullUrl());
// now redirect the user with a 301 to the lower case route
return \Illuminate\Support\Facades\Redirect::to($sNewRelativePath, 301);
}
});
@adamtester
adamtester / laravel_compress.php
Created January 15, 2015 11:16
laravel_compress
App::after(function($request, $response)
{
// Compress output
ini_set("pcre.recursion_limit", "16777");
$buffer = $response->getContent();
$re = '%# Collapse whitespace everywhere but in blacklisted elements.
(?> # Match all whitespans other than single space.
[^\S ]\s* # Either one [\t\r\n\f\v] and zero or more ws,
| \s{2,} # or two or more consecutive-any-whitespace.
) # Note: The remaining regex consumes no text at all...
@adamjohnson
adamjohnson / publickey-git-error.markdown
Last active June 8, 2026 23:43
Fix "Permission denied (publickey)" error when pushing with Git

"Help, I keep getting a 'Permission Denied (publickey)' error when I push!"

This means, on your local machine, you haven't made any SSH keys. Not to worry. Here's how to fix:

  1. Open git bash (Use the Windows search. To find it, type "git bash") or the Mac Terminal. Pro Tip: You can use any *nix based command prompt (but not the default Windows Command Prompt!)
  2. Type cd ~/.ssh. This will take you to the root directory for Git (Likely C:\Users\[YOUR-USER-NAME]\.ssh\ on Windows)
  3. Within the .ssh folder, there should be these two files: id_rsa and id_rsa.pub. These are the files that tell your computer how to communicate with GitHub, BitBucket, or any other Git based service. Type ls to see a directory listing. If those two files don't show up, proceed to the next step. NOTE: Your SSH keys must be named id_rsa and id_rsa.pub in order for Git, GitHub, and BitBucket to recognize them by default.
  4. To create the SSH keys, type ssh-keygen -t rsa -C "your_email@example.com". Th
@zollinger
zollinger / getcolor.py
Last active November 6, 2024 08:18
Simple way to get dominant colors from an image in Python
from PIL import Image, ImageDraw
import argparse
import sys
def get_colors(image_file, numcolors=10, resize=150):
# Resize image to speed up processing
img = Image.open(image_file)
img = img.copy()
img.thumbnail((resize, resize))