joshbeckman

🔴 CRITICAL BUG IDENTIFIED

The incident was caused by a logic error in the a_primitive? method that breaks handling of nil values.

The Problem

Old logic (working):

elsif usage_schema.is_a?(Maestro::Runtime::Usage::Primitive) && 
 [Hash, Array].exclude?(json_response.class) && 

joshbeckman

var fs = require('fs');
var child_process = require('child_process');

var main = () => {
    var excludedFileNames = /\| Hacker News/;
    var journal = 'worklog';
    fs.readdirSync('.')
        .filter(f => f.match(/\.md$/))
        .map(f => {
            return Object.assign(fs.statSync(f), {

joshbeckman

var readline = require('readline');
var jumpEmpty = '▖▘▝'.split('');
var block = '\x1b[31m▖\x1b[0m';
var space = ' ';

var Game = function(options){
  if(!(this instanceof Game)) return new Game(options)

  options = options || {};
  this.width = options.width || 50;

joshbeckman

# Let's output to a jpeg file
set terminal jpeg size 500,500
# This sets the aspect ratio of the graph
set size 1, 1
# The file we'll write to
set output "timeseries-narro-10.jpg"
# The graph title
set title "Benchmark testing 1000(10c)"
# Where to place the legend/key
set key left top

joshbeckman

import perf    from '../lib/perf.js';
const THRESHOLD = 83; // ~ 5 animation frames

const slowLog = (action, duration) => {
    (requestAnimationFrame || setTimeout)(() => {
        console.warn(`[perf] action ${action.type} took ${duration.toFixed(2)}ms`, {
            mean:      perf.mean(action.type),
            sdev:      perf.sdev(action.type),
            samples:   perf.getEntriesByName(action.type).length,
        });

joshbeckman

import perf    from '../lib/perf.js';
const THRESHOLD = 83; // ~ 5 animation frames

const perfMiddleware = store => next => action => {
    perf.start(action.type);
    let result = next(action);
    perf.end(action.type);
    
    if (perf.duration(action.type) > THRESHOLD) {
        console.warn(`[perf] action ${action.type} took ${perf.duration(action.type).toFixed(2)}ms`, {

joshbeckman

import log from './log.js';
import __  from './console.sparkline.js';
const debug = log('[perf]');
export const hasPerf     = typeof self !== 'undefined' && self.performance;
export const hasPerfNow  = hasPerf && self.performance.now;
export const hasPerfMark = hasPerf && self.performance.mark;
let marks    = {};
let measures = {};

joshbeckman

Keybase proof

I hereby claim:

• I am andjosh on github.
• I am jbckmn (https://keybase.io/jbckmn) on keybase.
• I have a public key ASCqc2nZ1MIOYr3iys0lhzIORv0-z_vq-zEsdnWK52W4rQo

To claim this, I am signing this object:

joshbeckman

https://jvns.ca/atom.xml
http://sonniesedge.co.uk/feed.xml
https://eev.ee/feeds/blog.atom.xml
http://feeds.feedburner.com/turkeltaub
https://marco.org/rss2
https://daringfireball.net/feeds/main
http://www.evanmiller.org/news.xml
http://feeds.feedburner.com/codinghorror
http://feeds.feedburner.com/HighScalability
http://www.overcomingbias.com/feed

joshbeckman

#!/bin/bash
#
# A command to run a heroku CLI command for multiple apps
#
# USAGE
#  $ heroku_multi config:set FOO=bar -a app-1 two-app three-apps
#

i=0
position=0