erikdstock

// currently this assumes every input is a string
export interface InputStrings {
  [everyProp: string]: string
}

type ValidationRule = (val: string) => boolean
type Errors<Inputs> = Partial<{ [P in keyof Inputs]: string }>
type Validator = (val: string) => string | void
type MakeValidator = (msg?: string) => Validator
type MakeValidatorWithArg = (arg: any, msg?: string) => Validator

erikdstock

# CLOSURES IN RUBY     Paul Cantrell    http://innig.net
# Email: username "cantrell", domain name "pobox.com"

# I recommend executing this file, then reading it alongside its output.
#
# Alteratively, you can give yourself a sort of Ruby test by deleting all the comments,
# then trying to guess the output of the code!

# A closure is a block of code which meets three criteria:

erikdstock

What is going on with kernel_task, accountsd etc

sudo lsof | grep -i kernel
#  also works for accountsd
# =>
# KernelEve   118  root  txt  REG   1,4    662257664 20143772 /private/var/db/dyld/dyld_shared_cache_x86_64h

# 7th col '662257...' is file size (big). in this case it is dyld shared cache, related to xcode.

erikdstock

Links

Remove files from a repo's history

Another one

Helpful commands

find commit in remote heroku history

git fetch heroku && git log heroku/master --pretty=oneline | grep $(git log -1 --format="%H") || echo 'nope'

print heroku log since this commit (won't fail, just prints entire log)

erikdstock

// Save as a bookmarklet
// unhides out of date comments on a Github PR, coloring the title bars in these code blocks. 
javascript:void function(){ 
  document.querySelectorAll(".show-outdated-button").forEach(function(button){
    var banner = button.parentNode;
    button.click();
    banner.style.backgroundColor = '#e2d2ff';
    banner.childNodes.forEach(function(child){});
  });
}();

erikdstock

{
  "scripts": {
    "jshint:branch": "jshint $(git diff --name-only --diff-filter=ACMRTUXB $(git merge-base head master) | grep '.js$') || true",
    
    "jshint:diff": "jshint $(git diff --name-only --diff-filter=ACMRTUXB | grep '.js$') || true",
    
    "jshint:prev": "jshint $(git diff head~1 --name-only --diff-filter=ACMRTUXB | grep '.js$') || true",
    
    "coffeelint:diff": "coffeelint $(git diff --name-only --diff-filter=ACMRTUXB | grep '.coffee$') || true"
  }

erikdstock

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

erikdstock

# Match query params on some url somewhere in a text [actually a mail.body, hence the to_s]
# Not tested in production
RSpec::Matchers.define :include_query_params do |expected|
  match do |actual|
    query_finder = /http\S+\?(\S+)["\s'>]/
    queries = query_finder.match actual.to_s
    queries.captures.any? do |q|
      q_hash = Rack::Utils.parse_nested_query(q).symbolize_keys
      q_hash.merge(expected) == q_hash
    end