zackdever

taken directly from https://sites.google.com/a/khanacademy.org/forge/for-developers/code-review-policy/using-phabricator

Advanced topic: Dependent Phabricator reviews

Say you have an upstream called master, and a feature branch F1, and a second change that depends on F1, (call it F2).
git checkout master
git checkout -b F1
# work work
git commit -a
arc diff

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Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

zackdever

function convertTableToCsv(tableSelector) {
  return _.map($(tableSelector + ' tr'), function(row) {
    return _.map($(row).find('th, td'), function(datum) {
      return datum.textContent.replace(/,/g, '');
    }).join(',');
  }).join('\n');
}

// to download
var data = convertTableToCsv('#mytable');

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(require '[clojure.core.memoize :as memo])

(defn calc [x] x)

(def memo-calc (memo/ttl calc {} :ttl/threshold 13))

(filter #(not= "ok" %)
  (for [x (range 100000)]
    (if (nil? (memo-calc "abc"))
      (println "Result was nil!")

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function r() {
  return Math.random() * 100;
}

var lineData = function() {
  return [
    [0, r()],
    [20, r()],
    [40, r()],
    [60, r()],

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https://gist.github.com/jimmyoneill/5511598

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def debug_dict(self, debug_message, data_dict):
  import logging
  info = '%s\n' % debug_message
  for k, v in sorted(data_dict.iteritems()):
    info += '%s: %s\n' % (k, v)
  logging.debug(info)

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// http://stackoverflow.com/a/13472375/962091

// may also need to make room on the chart itself, maybe something like:
// chart.margin({left: 10});

d3.select('.nv-y.nv-axis > g').selectAll('g');

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alias arcpaste='arc paste | copyarcpaste'

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var bgImgs = [
    '/images/foo.png'
  , '/images/bar.png'
  , '/images/foobar.png'
];

$(function () {
  if (bgImgs.length > 1) {
    var bgImage = $('#bgImage')
      , index = 0