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UK-US Data Bridge: Join TechnologyAdvice and OneTrust as they discuss the UK extension to the EU-US Data Privacy Framework (DPF).

Migrate, Modernize and Build Java Web Apps on Azure: This live workshop will cover methods to enhance Java application development workflow.

Kubernetes in the Enterprise: The latest expert insights on scaling, serverless, Kubernetes-powered AI, cluster security, FinOps, and more.

A Guide to Continuous Integration and Deployment: Learn the fundamentals and understand the use of CI/CD in your apps.

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The world's largest library of technical cheat sheets

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  • Real-Time Data Architecture Patterns

    Refcard #391

    Real-Time Data Architecture Patterns

    The rapid proliferation and increased volume of data across industries has magnified the need for organizations to have a solid strategy in place for processing and...

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  • Getting Started With CI/CD Pipeline Security

    Refcard #387

    Getting Started With CI/CD Pipeline Security

    The increasingly distributed nature of CI/CD frameworks has made organizations more vulnerable to attacks, which can range from threats to supply chains and servers...

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  • Cloud-Native Application Security

    Refcard #375

    Cloud-Native Application Security

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  • Identity and Access Management

    Refcard #341

    Identity and Access Management

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  • Core PostgreSQL

    Refcard #071

    Core PostgreSQL

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  • Getting Started With Real-Time Analytics

    Refcard #390

    Getting Started With Real-Time Analytics

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refcardz

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Design Patterns
Blueprint Solutions to Common Problems in Software
Design patterns provide a fundamental foundation to building maintainable and scalable software. Understanding how the patterns work, why they provide a benefit, and when to use them helps to ensure that software is built from reusable object-oriented components. In this Refcard, we will dive into the concepts that underpin design patterns, look at the 23 Gang of Four (GoF) patterns that brought about the proliferation of design patterns, and review some common patterns that have evolved since the GoF patterns were published.
Justin Albano
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 Java 8 features.
Cay Horstmann
Getting Started With Git
The De Facto Standard for Version Control
Today, Git is effectively the de-facto standard for software version control, and it is truly an expected tool in every developer’s toolbox. This quick overview demonstrates what a rich and deep DVCS Git truly is, while still being approachable for the newcomer to this collaborative approach to source code and version control. Download this Refcard to learn about the essentials of getting started with Git like cloning existing projects, pushing Git commits to subversion, branching and merging, and more.
Matthew McCullough
Foundations of RESTful Architecture
The Representational State Transfer (REST) architectural style is a worldview that elevates information into a first-class element of architectures. REST allows us to achieve the architectural properties of performance, scalability, generality, simplicity, modifiability, and extensibility. This newly updated Refcard explains main HTTP verbs, describes response codes, and lists libraries and frameworks. It also gives additional resources to further explore each topic.
Brian Sletten
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
Scrum
The Most Popular Agile Methodology
Scrum is a framework that allows people to productively and creatively deliver products of the highest possible value. With over 70% of Agile teams using Scrum or Scrum hybrid, learn more about its benefits in managing complex product development. This newly updated Refcard explores the details of Scrum, including theory, values, roles, and events. It also includes a sample of a popular approach to deliver Integrated Increments in a scaled environment.
Dave West
Core Java Concurrency
Understanding the Core Concurrency Concepts
This Refcard will help Java developers working with multi-threaded programs to understand core concurrency concepts and how to apply them. Overview the key aspects of the Java language and get references on the core library.
Igor Sorokin
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
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
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
Getting Started with Eclipse
Test and Debug Code With Java’s Leading IDE
Eclipse IDE is a cross-platform, multi-purpose, open-source Integrated Development Environment. It is widely used to develop projects in Java, JavaScript, PHP, C++, Scala, and many others. This newly updated Refcard breaks down installing, setting up, and getting started with Eclipse. It also covers productivity tips, creating new projects and files, accessing Source Control Managers, and debugging configurations.
Mickael Istria
Continuous Integration Patterns and Anti-Patterns
Reap the full benefits of enhanced code quality, better testing practices, and early error detection with proper implementation of continuous integration processes. This Refcard explains detailed patterns and anti-patterns for core areas of CI, including version control, the build stage, pipeline monitoring, documentation, as well as communication and collaboration across teams and within the organization.
Nicolas Giron
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