Grok in Plone
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These are the slides for the talk I gave at the PloneSA group meeting in Cape Town on Wednesday 6 July 2011
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Groovy is an open source dynamic language that runs on the Java Virtual Machine. It is a superset of Java with additional features like closures, metaprogramming and a simpler syntax. Groovy code compiles to Java bytecode and interoperates seamlessly with Java. Many companies and frameworks use Groovy, including Mule ESB, ServiceMix ESB, Spring, Grails and LinkedIn.
Zepto and the rise of the JavaScript Micro-Frameworks
The document discusses nano and pico frameworks for mobile JavaScript development. It highlights advantages of micro-frameworks like Zepto.js over larger frameworks, including smaller file size for faster loading, using native browser features instead of duplicating functionality, and focusing on the most common use cases. The document promotes micro-frameworks for mobile as they are lightweight, modular, and optimize for key tasks on resource-constrained devices.
Griffon - Making Swing Fun Again
- Griffon is a framework that aims to make building desktop applications with Swing more fun and productive by taking inspiration from Grails and leveraging Groovy.
- It addresses pain points in Swing development through features like builders, MVC groups, and application lifecycle handling.
- Griffon's unique values include builders for declarative UI creation, support for the MVC pattern through reusable view-controller-model triads, and conventions over configuration for the application lifecycle.
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This document provides an overview of best practices for Android Wear development. It discusses how to pair Wear devices, common APIs with Android, showing notifications, distributing Wear apps, defining layouts, accessing views, useful libraries like Gson and EventBus, and other tips.
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This presentation goes over the main concepts of the p2 API and describe some of the changes / simplifications introduced in Indigo.
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In this deck, I quickly summarize how people have dealt with logging in Docker historically and then describe a comprehensive approach to logging and monitoring in Docker, based on research and customer interviews.
While Docker adds a welcome layer of abstraction to the deployment of applications, it also challenges assumptions on how those applications should be managed. I discuss a comprehensive approach for collecting logs and metrics into a centralized platform and dissect the latest additions to Docker itself (log drivers, stats).
Android presentation - Gradle ++
Friday session where we explained what is gradle and some of the hidden features and possibilities that gradle gives to developers to customize their builds in a clean and easy way.
Gtk development-using-glade-3
This document provides an overview and introduction to developing graphical user interfaces (GUIs) for GTK+ applications using Glade 3. It discusses key GTK+ concepts like widgets, signals, and the object hierarchy. It then introduces Glade 3 and how to get started designing a GUI interface using the Glade interface. Specific steps covered include adding a top-level window widget, manipulating widget properties, specifying callback functions for signals, adding additional widgets, and editing menus/toolbars. The document is intended to guide the reader through designing the GUI for a sample text editor application in Glade before implementing it in code.
Dojo Toolkit from a Flex developer's perspective
The document summarizes a presentation given by a Flex developer about their experience transitioning to using the Dojo toolkit. Some key points of comparison between Flex and Dojo include:
- Dojo has a more loose and flexible component model compared to Flex, which can be both an advantage and disadvantage.
- Dojo lacks some of the standardized component lifecycle and property validation mechanisms that Flex provides.
- Both frameworks provide many predefined UI components, but Dojo's components are more varied in their implementation patterns.
- Custom component authoring is similar between the frameworks when using HTML templates, but Dojo lacks an equivalent to Flex's skinning system for complex graphics components.
- Dojo has advantages for ext
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This document provides an overview of Perl scripting and CGI programming. It covers topics such as the introduction to CGI, how CGI works, preparing CGI programs, the history and features of Perl, and how to write basic Perl CGI programs. The document is intended to help participants understand Perl scripting and CGI programming after completing this training.
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This document discusses observability tools for distributed systems like Drupal websites. It recommends using Monolog for structured logging, the Prometheus monitoring system for metrics collection, and OpenTelemetry with Tempo for distributed tracing. The Observability suite module can integrate all three for Drupal. Monolog logs are scraped by Promtail and sent to Loki. Metrics are exposed via Prometheus and scraped. OpenTelemetry instruments code and sends traces to Tempo. This provides insights across logs, metrics and traces for observability of distributed applications.
Groovy Component With Mule ESB
The Groovy component allows developers to integrate custom Groovy scripts into Mule flows. The Groovy script can be entered directly into the component or referenced from an external file. The component supports configuring interceptors, properties, and accessing flow variables from within the Groovy script. Examples demonstrate how to perform basic math operations and set properties in the Groovy component.
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Grok in Plone
- 7. ZTK uses Zope Component Architecture (ZCA)
- 8. ZCA also used by Pyramid/Pylons
- 11. Object publishing and traversal
- 13. Components are objects with Interfaces
- 14. Many-to-one mapping between objs and Interfaces, can be interchanged.
- 18. ZCML = glue or wiring
- 19. Grok lets you use python statements instead of ZCML
- 20. Keeps glue and code together
- 21. Makes it easier to see what registrations are in effect
- 22. Reduces need to context switch files/syntaxes
- 24. In use in Plone, BlueBream, Grok, Pyramid
- 25. BrowserView is a multi-adapter (i.e ZCA component)
- 26. Python class containing ”display logic”, registered as a multi-adapter for Request and content-type.
- 27. Normally has template, but not required (i.e Ajax)
- 28. Doesn't always return anything (i.e redirects)
- 31. Adapts an object of specific Interface, to also provide functionality specified by the adapter's interface.
- 32. Analogous to Type Casting
- 33. Real world analogy: Wall plug adapters
- 40. Zope provides an events system
- 41. Components notify the subscribers of a particular event.
- 42. Code execution is blocked until all subscribers are done.
- 45. Plone uses IAnnotations from zope.annotation which has a dict-like API.
- 46. Grok's pattern can cause problems when code is moved or uninstalled (which happens often in Plone)
- 49. In Plone we define permissions in GS-XML configuration files rather than code.
- 51. For local, Grok uses grokcore.site
- 52. In Plone we use componentregistry.xml GS-XML
- 54. Can also use grok.DirectoryResource instead of <browser.resourceDirectory/> directive.
- 57. In Plone we use browserlayer.xml in GenericSetup
- 58. Alternatively SkinLayers via plone.theme package and configure.zcml
- 62. Plone uses plone.app.viewletmanager and GS-XML instead.
- 64. Can be accessed via TAL: view/static/stylesheet.css
- 65. In Plone this will always be relative to the context, rather than relative to site navigation root, which means it doesn't cache well.
- 66. Construct URL manually instead.