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/** `x/crypto` if running in `deno` */
import { createHmac } from 'node:crypto'

/** A signing secret */
const HMAC_SECRET = '<YOUR SIGNING SECRET HERE>'

/** Length of a hexidecimal HMAC digest */
const HMAC_LENGTH = 64

function hmac(message: string): string {

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/**
 * Represents an error when an unreachable variant is encountered at runtime
 */
export class ExhaustiveCheckError<T> extends TypeError {
  public instance: T;

  public readonly isUnexpected = true;

  constructor(msg: string, instance: T) {
    super(msg);

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#!/bin/bash

# Brute force search for TypeScript files in the current directory that fail
# the `--strictNullChecks` flag. YMMV.

# edit this function to exclude files that _shouldn't_ be checked.
filter_defs() {
  grep -v node_modules \
  | grep -v '.d.ts$' \
  | sort \

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#! /bin/bash
#
# Translates an existing AWS Route53 zone into Terraform `aws_route53_record` resources.
#
# Released under the MIT license; YMMV. Tested on Linux with:
#
# - jq-1.6
# - terraform v0.12.26
# - aws-cli/1.17.14
#

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#!/bin/bash

# Returns a list of strict null-checked files inside the current directory.
# Useful for gradually introducing the `--strictNullCheck` flag to a
# TypeScript project.
#
# See: https://code.visualstudio.com/blogs/2019/05/23/strict-null

TS_FLAGS='--strictNullChecks --outDir=/dev/null'

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#! /bin/bash
#
# Use `psutils` to convert a PDF into a printable booklet.
#
# Usage:
#
#     $ ./pdf_to_booklet.sh my_file.pdf
#
# Distributed under terms of the MIT license.

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Performance Antipatterns - Ben Evans ([@kittylyst][kittylyst]), New Relic

First, what's a pattern?

a model or design used as a guide in needlework and other crafts

-- OED

A model or design: patterns are more abstract than the substrate you're applying them to. Software's pretty abstract already, but design patterns are

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PDXReactJS Lightning Talks

Lightning talks from the @pdxreactjs meetup on 2019-02-12.

---

A Better Approach to React Testing

Daniel Lemay - @dslemay

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What's so great about Reason?

PDXReactJS meetup / 13. Nov 2018 @benjamminj

Maintainability?

We want to make complex problems simple, and solve them in ways we can extend on.

JavaScript v. ReasonML:

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*.js