Rolling Up Your Sleeves

source spring — jesse jack — [email protected] — 2013 CC licensed

Rolling Up Your [email protected]

www.thesourcespring.com

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Class StructurePart 1 - Options: A whirlwind tour of languages and frameworks (30 mins)

Part 2 - Help: Getting development assistance and managing it (30 mins)

Part 3 - Scaling: Success is a risk (30 mins)

Part 4 - Q&A: Pick my brain (30 mins?)

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About Me

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Who Are You?Introduce yourself.

What experience in software development do you already have?

What are you hoping to get out of today?

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{let’s do this}

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OptionsA whirlwind tour of languages and frameworks

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Architecture for client/server apps

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LanguagesClient-side vs Server-side

Interpreted vs Compiled

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LanguagesPerl

PHP

Javascript (client-side)

Node.js (server-side Javascript)

Java

Python

Ruby

C / C++ / Objective C

C#

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Frameworks: terminologyWhat is a framework?

DRY (Don’t Repeat Yourself)

MVC (Model–View–Controller)

ORM (Object Relational Model)

Front Pattern (Routes)

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Frameworks: server-sideRuby on Rails

PHP + Symphony

PHP + Wordpress

Python + Django

Node.js + Express.js

Java + Spring/Hibernate/EE/???

C# + .Net

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Frameworks: client-sideJavascript + JQuery / Ember / Angular

Objective C + iOS SDK

Java + Android SDK

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Frameworks: mobile hybridsHTML5 in a wrapper

PhoneGap

Titanium

Adobe AIR

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DatabasesSQL

Postgres, MySQL, Oracle

NoSQL

Mongo, Couch, Cassandra

Keystore

Memcache, Redis

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HostingBare Metal

Rack ’em up

Virtual Servers

Rackspace, Amazon

App Platforms

Heroku, Appfog, Railyard

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ConsiderationsPerformance (Speed vs Latency)

Agility

Maintainability

Cost of ownership

Owning your platform

What you know

What you can learn

Where you can learn it from

Your developers’ knowledge

Ease of finding developers

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{breathe}

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HelpGetting development assistance and managing it

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OptionsDIY

Technical Co-Founder

Hiring FTEs

Hiring Contractors

Outsourcing(NB: This may or may not mean offshoring)

Volunteers

Open Source

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ConsiderationsWhat you can offer: cash vs equity

Your savviness

Your ability to manage

Need for agility (how much work can you do up front?)

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AgreementsStatement of work

Intellectual property

Equity or cash

Warranty and maintenance

Handling disputes

Documentation

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Finding DevelopersFriends, LinkedIn and Facebook

AngelList, GitHub

ODesk, Guru, VWorker, ELance

Head hunters

Craigslist

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ProcessAgile / Scrum

The sprint cycle

Writing stories and documenting them

Velocity and points

Test Driven Development

Behavior Driven Development

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Version ControlWhy?

SVN vs Git

Github, Mercurial, Bitbucket, Sourceforge

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QAPainful: they will not do it all for you

Bug tracking

Automated testing

Continuous integration

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{breathe}

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ScalingSuccess is a risk

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Serving AssetsMinification

CDNs - Content Distribution Networks

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CachesBrowser Caching

Page Caching

Fragment Caching

Data Caching (memory, Memcache, Redis)

In-database Caching

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Background TasksWhy do now what you can do later?

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More ConcurrencyRemember hosting?

Bare metal: add more servers behind a load balancer

Virtual servers: add more virtual servers behind a virtual load balancer

App platforms: press a button (in theory)

Failover

Geographic redundancy

Sticky Sessions

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DatabaseAdd indices

(or remove them)

Find and optimize slow queries

Avoid the N+1 problem

Eager loading

Add databases:

Master and slave (and slave and slave)

Clusters

Vertical partitioning

Horizontal partitioning (sharding)

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Case StudyInstagram

http://www.slideshare.net/iammutex/scaling-instagram

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{breathe}

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Want more?Startup Engineering: https://www.coursera.org/course/startup

UT on Rails: http://schneems.com/ut-rails

Contact me and ask about deep dives on other topics:

HTML, CSS, SQL, Rails, PHP, Wordpress, payment processing...?

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Thanks! Any [email protected]

www.thesourcespring.com

Liked this class? Please connect with me on LinkedIn and endorse me for teaching!

http://www.linkedin.com/in/jessejack

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Rolling Up Your Sleeves

Technology

Transcript of Rolling Up Your Sleeves