Over a million developers have joined DZone.

DZone refcardz

The world's largest library of technical cheat sheets

252

refcardz

6.7M

Downloads

382k

Downloaders

17

Cards per Downloader

Refcardz Spotlight

  • Getting Started with Git

    Refcard #094

    Getting Started with Git

    This updated Refcard explains why so many developers are migrating to this exciting platform. Learn about creating a new Git repository, cloning existing projects,...

    {{ stats[520220].portal.title }} · {{ stats[520220].clicks }} clicks · · {{ stats[520220].timesInEdition }}x

    DOWNLOAD
  • Cloud Foundry

    Refcard #207

    Cloud Foundry

    Covers technologies supported by Cloud Foundry, finding a hosting provider, writing apps for and deploying to Cloud Foundry, scaling and managing apps in the cloud,...

    {{ stats[520323].portal.title }} · {{ stats[520323].clicks }} clicks · · {{ stats[520323].timesInEdition }}x

    DOWNLOAD
  • Swift Essentials

    Refcard #235

    Swift Essentials

    {{ stats[1285996].portal.title }} · {{ stats[1285996].clicks }} clicks · · {{ stats[1285996].timesInEdition }}x

    DOWNLOAD

refcardz

  • Latest
  • Popular
DOWNLOAD
Design Patterns
Building Maintainable and Scalable Software
Learn design patterns quickly with Jason McDonald's outstanding tutorial on the original 23 Gang of Four design patterns, including class diagrams, explanations, usage info, and real world examples.
Jason McDonald
198.9k 535.8k
DOWNLOAD
Core Java
A Power-User's Guide to Java
Gives you an overview of key aspects of the Java language and references on the core library, commonly used tools, and new Java 8 features.
Cay Horstmann
122.2k 321.6k
DOWNLOAD
Getting Started with Ajax
Unlocking Unobtrusive JavaScript
Introduces Ajax, a group interrelated techniques used in client-side web development for creating asynchronous web applications.
Dave Crane
100.4k 196.6k
DOWNLOAD
Getting Started with Git
The De Facto Standard For Version Control
This updated Refcard explains why so many developers are migrating to this exciting platform. Learn about creating a new Git repository, cloning existing projects, the remote workflow, and more to pave the way for limitless content version control.
Matthew McCullough
108.7k 241.8k
DOWNLOAD
Spring Configuration
Dependency Injection in a Nutshell
Catalogs the XML elements available as of Spring 2.5 and highlights those most commonly used: a handy resource for Spring context configuration.
Craig Walls
101.7k 254k
DOWNLOAD
Core CSS: Part I
First Steps in CSS
Covers Core principles of CSS that will expand and strengthen your professional ability to work with CSS. Part one of three.
Molly Holzschlag
88.7k 191.5k
DOWNLOAD
jQuery Selectors
The Core jQuery Reference
Introduces jQuery Selectors, which allow you to select and manipulate HTML elements as a group or as a single element in jQuery.
Bear Bibeault
92k 347.8k
DOWNLOAD
Foundations of RESTful Architecture
REST Practices
Introduces the REST architectural style, a worldview that can elicit desirable properties from the systems we deploy.
Brian Sletten
90.6k 132.9k
DOWNLOAD
The Ultimate Scrum Reference Card
The Most Popular Agile Methodology
Provides a concise overview of roles, meetings, rules, and artifacts within a Scrum organization. Updated for 2016.
Michael James
84.5k 222.5k
DOWNLOAD
Core Java Concurrency
Understanding the Core Concurrency Concepts
Helps Java developers working with multi-threaded programs understand the core concurrency concepts and how to apply them.
Alex Miller
88.1k 179.3k
DOWNLOAD
Core CSS: Part II
Understanding Selectors
Covers Core principles of CSS that will expand and strengthen your professional ability to work with CSS. Part two of three.
Molly Holzschlag
72.3k 137.8k
DOWNLOAD
Getting Started with Eclipse
The World's Most Popular IDE
Gives insights on Eclipse, the leading IDE for Java, which has a rich ecosystem of plug-ins and an open-source framework that supports other languages.
Ed Burnette
72k 182.6k
DOWNLOAD DOWNLOAD
{{ card.title }}
{{ card.subtitle }}
Hosted by
{{card.authors[0].name}}
{{card.downloads | formatCount }} {{card.views | formatCount }}

ABOUT US

ADVERTISE

CONTRIBUTE ON DZONE

LEGAL

CONTACT US

Let's be friends:

DZone.com is powered by