hemanth

HTML5 and friends.

A bigass bulleted list of features.

I commonly need to get a big list of all the stuff people think of when they think new and shiny these days. This list is for that.

I take a very inclusionist approach to it. 1

javascript APIs

• Web Storage (localStorage, sessionStorage)
• Web SQL Database

hemanth

// ==UserScript==
// @name Disable the SOPA overlay on English Wikipedia
// @author Mathias Bynens <http://mathiasbynens.be/>
// @match http://en.wikipedia.org/wiki/*
// ==/UserScript==

// http://mths.be/unsafewindow
window.unsafeWindow || (
	unsafeWindow = (function() {
		var el = document.createElement('p');

hemanth

JavaScript Best Practices

Code conventions

Closing/opening brackets

Although this isn't a problem in other languages, because of semicolon insertion, there could be problems if you don't place the bracket on the opening line:

// no:
function()
{

hemanth

Sets == Arrays of unique items

(A,B)

Ordered set.

[1, 2] != [2, 1]

hemanth

def tip(msg); puts; puts msg; puts "-"*100; end

#
# 30 Ruby 1.9 Tips, Tricks & Features:
# http://www.igvita.com/2011/02/03/new-ruby-19-features-tips-tricks/
#

tip "Upgrading to Ruby 1.9 is simple: rvm install 1.9.2 && rvm --default 1.9.2"

tip "Ruby 1.9 supports named captures in regular expressions!"

hemanth

P = programmer; NP = non-programmer

  NP: How long will it take?
  P:  It'll take as long as it takes.
  NP: I don't understand. What does that mean?
  P:  When you tell me that the product is finished, it's done.
  NP: You mean you can't estimate how long it'll take?
  P:  I can't estimate when you'll decide that it is done, therefore an
      accurate prediction is impossible.  From experience I know that a
      project like this can take from three to nine months.  A lot 

hemanth

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

hemanth

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

hemanth

http://norvig.com/21-days.html
http://developers.whatwg.org/
http://dev.opera.com/articles/view/1-introduction-to-the-web-standards-cur/#toc

Local Business connections
http://www.startupconnection.org/
http://stlouis.startupweekend.org/

Ruby/Heroku/Rails
http://www.nofluffjuststuff.com/blog/david_bock/2010/12/google_analytics_and_rails3

hemanth

#! /usr/bin/env thor

require 'mysql2'

class Tonkla < Thor
  desc 'migrate', 'migrate tonkla.com\'s blog posts from Drupal to Rails'
  def migrate
    db_from = Mysql2::Client.new(host: 'localhost', username: 'root', database: 'tonkla_com')
    db_to = Mysql2::Client.new(host: 'localhost', username: 'root', database: 'klass_blog_development')
    result = db_from.query('SELECT r.title, r.body, n.created AS created_at, r.timestamp AS updated_at