rjz

React Context API

George Song (Twitter: @zukefresh, Github: @gsong)

• Need React >= v16.3.0
• State: Component → Context → Unstated → Redux/MobX/(etc)
• Two parts: <Provider /> and <Consumer />

How it works

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Phantom Pain

Joel Griffith - Sr. Dev @ AppNexus (Twitter: @griffith_joel)

Sample repo: joelgriffith/phantompain

Background

• worked with phantomjs to run unit test suite
• switch to headless chrome

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#!/bin/bash

# A pre-commit hook to help you do the right thing (tm)

set -e

changed-files () {
  git diff HEAD --name-only "$@"
}

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*.swp

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RE: envelope_encryption

[Repository][repo].

OSS items

A few notes. First, if we're planning to link the demo from a blog post, I'd be happy to check a couple of boxes on community-friendliness by:

• adding a LICENSE, README (with install/usage, a bit of background, and

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const expiresIn = (timeoutMs, promise, msg = 'Promise timed out') =>
  new Promise((resolve, reject) => {
    const timerId = setTimeout(reject, timeoutMs, msg);
    promise.then((result) => {
      clearTimeout(timerId);
      resolve(result);
    });
  });

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const buffer = require('buffer');
const crypto = require('crypto');

// Demo implementation of using `aes-256-gcm` with node.js's `crypto` lib.
const aes256gcm = (key) => {
  const ALGO = 'aes-256-gcm';

  // encrypt returns base64-encoded ciphertext
  const encrypt = (str) => {
    // The `iv` for a given key must be globally unique to prevent

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#! /bin/bash
#
# Add a teammate's public key(s) to authorized_keys via the github API
#
# Usage:
#
#     GITHUB_LOGIN=rjz ./add_github_keys.sh
#

# PREFIX for authorized_keys entries (default: attach to running

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javascript:(function (ta) {
const message = `Thanks for reaching out!
\n\n
I’m unfortunately not open to new opportunities at this time, but I’m certainly wishing you all the best in your search!
\n\n
RJ`;

  if (!(ta && ta.length === 1)) {
    alert('UI has changed...');
  } else {

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#!/bin/bash

# Usage:
#
# $ metrics.sh > dynamo_tables.txt
#
# $ cat dynamo_tables.txt \
#     | tr : ' ' \
#     | sed 's/\./ /' \
#     | sed 's/ =//' \