Disclaimer: This piece is written anonymously. The names of a few particular companies are mentioned, but as common examples only.
This is a short write-up on things that I wish I'd known and considered before joining a private company (aka startup, aka unicorn in some cases). I'm not trying to make the case that you should never join a private company, but the power imbalance between founder and employee is extreme, and that potential candidates would
This describes how I setup Atom for an ideal Clojure development workflow. This fixes indentation on newlines, handles parentheses, etc. The keybinding settings for enter (in keymap.cson) are important to get proper newlines with indentation at the right level. There are other helpers in init.coffee and keymap.cson that are useful for cutting, copying, pasting, deleting, and indenting Lisp expressions.
The Atom documentation is excellent. It's highly worth reading the flight manual.
Ideas are cheap. Make a prototype, sketch a CLI session, draw a wireframe. Discuss around concrete examples, not hand-waving abstractions. Don't say you did something, provide a URL that proves it.
Nothing is real until it's being used by a real user. This doesn't mean you make a prototype in the morning and blog about it in the evening. It means you find one person you believe your product will help and try to get them to use it.
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 |
class ActionDispatch::Routing::Mapper | |
def draw(routes_name) | |
instance_eval(File.read(Rails.root.join("config/routes/#{routes_name}.rb"))) | |
end | |
end | |
BCX::Application.routes.draw do | |
draw :api | |
draw :account | |
draw :session |
require 'gollum/frontend/app' | |
require 'digest/sha1' | |
class App < Precious::App | |
User = Struct.new(:name, :email, :password_hash, :can_write) | |
before { authenticate! } | |
before /^\/(edit|create|delete|livepreview|revert)/ do authorize_write! ; end | |
helpers do |
# Pass in the name of the site you wich to create a cert for | |
domain_name = ARGV[0] | |
if domain_name == nil | |
puts "Y U No give me a domain name?" | |
else | |
system "openssl genrsa -out #{domain_name}.key 1024" | |
system "openssl req -new -key #{domain_name}.key -out #{domain_name}.csr -subj '/C=US/ST=NJ/L=Monroe/O=MyCompany/OU=IT/CN=#{domain_name}'" | |
system "cp #{domain_name}.key #{domain_name}.key.bak" |