marcusjack

## gen_hmac.js
var crypto = require('crypto');
var SHARED_SECRET = "sup3rs3cr3t!!";

function signString(string_to_sign, shared_secret) {
	var hmac = crypto.createHmac('sha512', shared_secret);
	hmac.write(string_to_sign);
	hmac.end()
	return hmac.read();
}

## client.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>HMAC-SHA256 Example</title>
</head>
<body>
    <script src="http://crypto.stanford.edu/sjcl/sjcl.js"></script>
    <script>
        var sharedSecret, query, signature, hmac, xhr;

## verify_hmac.js
var crypto = require('crypto');
// Added for safer string equality checking
var bufferEq = require('buffer-equal-constant-time');
var url = require('url');
var SHARED_SECRET = "sup3rs3cr3t!!";

function verifySignature(string_to_sign, signature, shared_secret) {
	var hmac = crypto.createHmac('sha512', shared_secret);
	hmac.write(string_to_sign);
	hmac.end()

## ultimate-ut-cheat-sheet.md

      
              1 file
            
          
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                marcusjack
                / ultimate-ut-cheat-sheet.md
            
            
              Created
              May 26, 2020 05:03
                — forked from yoavniran/ultimate-ut-cheat-sheet.md
            
              
                The Ultimate Unit Testing Cheat-sheet For Mocha, Chai and Sinon
              
          
    The Ultimate Unit Testing Cheat-sheet

For Mocha, Chai and Sinon

using mocha/chai/sinon for node.js unit-tests? check out my utility: mocha-stirrer to easily reuse test components and mock require dependencies


Sinon Chai
Chai
Sinon
Mocha


## assume-role-policy.json
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Action": "sts:AssumeRole",
      "Principal": {
        "Service": "ec2.amazonaws.com"
      },
      "Effect": "Allow",
      "Sid": ""

## cloudformation-dynamoDB.yml
---
AWSTemplateFormatVersion: '2010-09-09'
Resources:
  myDynamoDBTable:
    Type: AWS::DynamoDB::Table
    Properties:
      AttributeDefinitions:
      - AttributeName: Album
        AttributeType: S
      - AttributeName: Artist

## android-generate-keystores.md

      
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                marcusjack
                / android-generate-keystores.md
            
            
              Created
              August 7, 2021 20:38
                — forked from henriquemenezes/android-generate-keystores.md
            
              
                Android: Generate Release/Debug Keystores
              
          
    Android: Generate Release/Debug Keystores

Generate Keystores

Debug Keystore

$ keytool -genkey -v -keystore debug.keystore -storepass android -alias androiddebugkey -keypass android -keyalg RSA -keysize 2048 -validity 10000 -dname "C=US, O=Android, CN=Android Debug"

  
## nginx.conf
worker_processes  1;

events {
  worker_connections  1024;
}

http {
  server {
    listen 80;
    server_name  localhost;

## JobProcessor.ts
class JobProcessor {
    private assignedJobs = new Map<String, any>();
    private queue = new Queue<any>();
    private nWorkers = 5;

    async loadOutstandingJobs() {
        // load 'pending' or 'processing' jobs from DB
        const jobs = await services.Job
            .findMany({
                $or: [

## delete-slack-messages.js
#!/usr/bin/env node

// Channel ID is on the the browser URL.: https://mycompany.slack.com/messages/MYCHANNELID/
// Pass it as a parameter: node ./delete-slack-messages.js CHANNEL_ID

// CONFIGURATION #######################################################################################################

const token = 'SLACK TOKEN';
// Legacy tokens are no more supported.
// Please create an app or use an existing Slack App
	var crypto = require('crypto');
	var SHARED_SECRET = "sup3rs3cr3t!!";

	function signString(string_to_sign, shared_secret) {
	var hmac = crypto.createHmac('sha512', shared_secret);
	hmac.write(string_to_sign);
	hmac.end()
	return hmac.read();
	}
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>HMAC-SHA256 Example</title>
	</head>
	<body>
	<script src="http://crypto.stanford.edu/sjcl/sjcl.js"></script>
	<script>
	var sharedSecret, query, signature, hmac, xhr;
	var crypto = require('crypto');
	// Added for safer string equality checking
	var bufferEq = require('buffer-equal-constant-time');
	var url = require('url');
	var SHARED_SECRET = "sup3rs3cr3t!!";

	function verifySignature(string_to_sign, signature, shared_secret) {
	var hmac = crypto.createHmac('sha512', shared_secret);
	hmac.write(string_to_sign);
	hmac.end()
	{
	"Version": "2012-10-17",
	"Statement": [
	{
	"Action": "sts:AssumeRole",
	"Principal": {
	"Service": "ec2.amazonaws.com"
	},
	"Effect": "Allow",
	"Sid": ""
	---
	AWSTemplateFormatVersion: '2010-09-09'
	Resources:
	myDynamoDBTable:
	Type: AWS::DynamoDB::Table
	Properties:
	AttributeDefinitions:
	- AttributeName: Album
	AttributeType: S
	- AttributeName: Artist
	worker_processes 1;

	events {
	worker_connections 1024;
	}

	http {
	server {
	listen 80;
	server_name localhost;
	class JobProcessor {
	private assignedJobs = new Map<String, any>();
	private queue = new Queue<any>();
	private nWorkers = 5;

	async loadOutstandingJobs() {
	// load 'pending' or 'processing' jobs from DB
	const jobs = await services.Job
	.findMany({
	$or: [