eashish93

vs Questions

---

1. http://stackoverflow.com/questions/804115 (rebase vs merge).
2. https://www.atlassian.com/git/tutorials/merging-vs-rebasing (rebase vs merge)
3. https://www.atlassian.com/git/tutorials/undoing-changes/ (reset vs checkout vs revert)
4. http://stackoverflow.com/questions/2221658 (HEAD^ vs HEAD~) (See git rev-parse)
5. http://stackoverflow.com/questions/292357 (pull vs fetch)
6. http://stackoverflow.com/questions/39651 (stash vs branch)
7. http://stackoverflow.com/questions/8358035 (reset vs checkout vs revert)

mknabe

Use with the following

• react-router
• redux-form

You must use this compontent on the route component where the form is shown not on the form component itself. This is because this.props.route is only added to route components, and I didn't want to pass that down through props.

Inspired by this Codepad

Feedback appreciated

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

octocat

# Compiled source #
###################
*.com
*.class
*.dll
*.exe
*.o
*.so

# Packages #

kevbuchanan

RSpec vs Jasmine

A very basic intro to Jasmine tests for those familiar with RSpec

let/before

  let(:post) { Post.new("My Title", "My Content") }

 var post

ndelage

Web Preformance

Sources of slow

Database

• n+1 queries (try :includes or join)
• Complex joins (is there another way to find the data?)
• Missing indexes
• Useless indexes
• Schema (prossibly denormalize)

ashrithr

Introduction to Kafka

Kafka acts as a kind of write-ahead log (WAL) that records messages to a persistent store (disk) and allows subscribers to read and apply these changes to their own stores in a system appropriate time-frame.

Terminology:

• Producers send messages to brokers
• Consumers read messages from brokers
• Messages are sent to a topic

marktheunissen

This playbook has been removed as it is now very outdated.

steveclarke

Capybara

save_and_open_page

Matchers

have_button(locator)

jimbojsb

Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2: