A tweet-sized debugger for visualizing your CSS layouts. Outlines every DOM element on your page a random (valid) CSS hex color.
One-line version to paste in your DevTools
Use $$
if your browser aliases it:
~ 108 byte version
DB = (key) -> | |
store = window.localStorage | |
get: -> | |
JSON.parse store[key] or "{}" | |
put: (data) -> | |
store[key] = JSON.stringify(data) |
require 'sinatra' | |
set server: :thin | |
get '/' do | |
erb :welcome | |
end | |
get '/stream', provides: 'text/event-stream' do | |
stream do |out| | |
loop do |
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 |
require 'date' | |
# Actually doesn't matter WHAT you choose as the epoch, it | |
# won't change the algorithm. Just don't change it after you | |
# have cached computed scores. Choose something before your first | |
# post to avoid annoying negative numbers. Choose something close | |
# to your first post to keep the numbers smaller. This is, I think, | |
# reddit's own epoch. | |
$our_epoch = Time.local(2005, 12, 8, 7, 46, 43).to_time |
require 'faye' | |
Faye::WebSocket.load_adapter('thin') | |
use Faye::RackAdapter, :mount => '/faye', :timeout => 25 | |
require ::File.expand_path('../config/environment', __FILE__) | |
run App::Application |
#!/usr/bin/env sh | |
## | |
# This is script with usefull tips taken from: | |
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx | |
# | |
# install it: | |
# curl -sL https://raw.github.com/gist/2108403/hack.sh | sh | |
# |
class Users::Register | |
def self.call(attributes) | |
new(attributes).call | |
end | |
def initialize(attributes) | |
@attributes = attributes | |
end |
linus@Newton:~$ redis-cli | |
redis 127.0.0.1:6379> publish /updates.foo "hello there!" | |
(integer) 1 | |
redis 127.0.0.1:6379> |
/* | |
*= require_self | |
*/ | |
html, body { | |
background-color: #eee; | |
} | |
body { | |
padding-top: 40px; /* 40px to make the container go all the way to the bottom of the topbar */ | |
} |