Irb Tips and Tricks
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Quick lightning talk on some cool things you can do in IRB and the Rails Console. There's more in there than you think!
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2. Isolating dependencies by using interfaces, dependency injection with AutoFac, and fake objects with NSubstitute to isolate code from external systems.
3. Strategies for isolating and testing Sitecore code, including using Glass Mapper to map Sitecore items to lightweight objects and the Sitecore.FakeDB library for faking Sitecore data.
4. Tools for testing Sitecore itself
Intro to SharePoint 2010 development for .NET developers
While its very true that SharePoint’s development model is firmly rooted in the .NET development world, at the same time SharePoint can be appear to be a completely alien beast to even the most experienced of .NET developers. In this session, John will introduce the fundamental practices that a .NET developer should understand about SharePoint and needs to follow when building custom solutions for the platform, whether its creating web parts or building complex workflows and Line of Business applications for deployment within a SharePoint farm.
Adopting Elixir in a 10 year old codebase
A short talk on Elixir adoption in RabbitMQ, a multi-protocol open source messaging broker: the motivation, how it compares to Erlang for our needs, and what we've learnt about 1 year into it.
Performance and Abstractions
Tommi Reiman discusses optimizing Clojure performance and abstractions. He shares lessons learned from optimizing middleware performance and JSON serialization. Data-driven approaches can enable high performance while maintaining abstraction. Reitit is a new routing library that aims to have the fastest performance through techniques like compiled routing data. Middleware can also benefit from data-driven approaches without runtime penalties. Overall performance should be considered but not obsessively, as many apps do not require extreme optimization.
Testing sad-paths
The document discusses testing sad paths at Teespring, which sells t-shirts. It notes that while happy paths are usually tested first, sad paths involving errors can be overlooked. It identifies three types of failures - those caused by user errors, system errors, and transient errors. It provides things to consider when testing for each type, such as defining valid vs invalid input, preventing vs handling failures, and how to communicate errors to users. The document recommends defensive coding, logging errors, and isolating failures to test sad paths thoroughly.
Scaling with swagger
This document discusses scaling applications and services. It recommends taking a vertical approach by breaking monolithic applications into microservices that communicate through APIs. The Swagger framework is presented as a way to document and test APIs. Swagger can generate client libraries and helps services scale by enabling asynchronous communication through websockets. Taking this vertical, microservices approach with Swagger improves scalability by allowing dedicated teams to own individual services and improves performance through asynchronous communication protocols.
Digital Publishing with the OSCI Toolkit - Workshop MCN 2012
This document provides an agenda for a digital publishing workshop using the Open Scholarship Initiative Toolkit (OSCI). It discusses getting started with the OSCI toolkit, authoring and publishing content, creating custom web publications, and APIs for user notes, search, citations, and figures. Recommended ePub viewing and conversion tools are also listed. The document aims to demonstrate the capabilities and customization options of the OSCI toolkit for digital publishing.
Oxford DrupalCamp 2012 - The things we found in your website
The document discusses various issues found on a website during an audit. It describes symptoms of problems with content architecture like duplicate content types and unused fields. It also outlines issues with site architecture such as custom modules that are not well designed or reusable, unnecessary complexity from unused features, and basic security vulnerabilities around outdated software, permissions, and injection attacks. The document provides guidance on how to further investigate and address these problems.
Not Everything is an Object - Rocksolid Tour 2013
This document provides an overview of the history of programming languages and object-oriented development. It discusses some of the limitations of the object-oriented paradigm, such as complexity, brittle hierarchies, and difficulties modeling real-world objects. The document then introduces Clojure as a functional programming language that avoids these issues by using immutable data and focusing on equality rather than object identity. It provides examples of Clojure's features like persistent collections, and discusses how Clojure code is evaluated through its reader and evaluator.
Birdpie
Birdpie is a web application that aggregates all tweeted links from a Twitter user and allows the user to manage those links. It auto-tags the links, categorizes them, and resolves shortened URLs to show the full link and page title. Users can sign in through Twitter OAuth to access their tweeted links. Birdpie uses a background worker architecture with Resque and Redis to crawl, resolve, tag, and update link counts.
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More from John McCaffrey
John's Sample
The document contains data in bar and pie charts, with the bar chart showing orange at 100, blue at 76, and green at 35, and the pie chart showing data points of 30, 70, and 11. It also mentions a nice beach.
A Taste of TDD: The basics of TDD, why it is hard and how to do it better
A Taste of TDD: Basic overview of Agile Testing, TDD in practice, Pros/Cons of Test Driven Development, Recent TDD Controversey (DHH, Kent Beck, Martin Fowler), and some strategies for doing it well.
This is a lead in to a full Agile Workshop on Scrum/XP, TDD, and Pairing
Becoming a more Productive Rails Developer
Tips and tricks for how to accelerate your technical learning, take better notes, search in the right places, get help faster, solidify your understanding and hold on to what you've learned.
Cloud tools
John McCaffrey gives a presentation on cloud tools for development. He discusses terminology related to hosting and deploying applications. Some hosting options he covers include self-hosting, Amazon Web Services, EngineYard, Heroku, and AppHarbor. John then demonstrates deploying applications to Heroku and monitoring tools. He finishes by discussing collaboration tools like email, chat, screen sharing, and code repositories on services like GitHub.
Cvcc performance tuning
Web Performance tuning presentation given at http://www.chippewavalleycodecamp.com/
Covers basic http flow, measuring performance, common changes to improve performance now, and several tools and techniques you can use now.
Ruby on Rails Performance Tuning. Make it faster, make it better (WindyCityRa...
(reposting with clearer title)
Performance tuning presentation from WindyCityRails 2010.
Why performance matters
The right way to approach it
Front end testing tools
Automated testing tools
Common problems and the ways to solve them in Rails
Rails specific tools
bullet
slim_scrooge
rack bug
request log analyzer
rails indexes
Windy cityrails performance_tuning
Performance tuning presentation for Chicago Rails Conference. Focusing on Front end page improvements
improving the performance of Rails web Applications
This presentation is the first in a series on Improving Rails application performance. This session covers the basic motivations and goals for improving performance, the best way to approach a performance assessment, and a review of the tools and techniques that will yield the best results. Tools covered include: Firebug, yslow, page speed, speed tracer, dom monster, request log analyzer, oink, rack bug, new relic rpm, rails metrics, showslow.org, msfast, webpagetest.org and gtmetrix.org.
The upcoming sessions will focus on:
Improving sql queries, and active record use
Improving general rails/ruby code
Improving the front-end
And a final presentation will cover how to be a more efficient and effective developer!
This series will be compressed into a best of session for the 2010 http://windycityRails.org conference
PDF Generation in Rails with Prawn and Prawn-to: John McCaffrey
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Digital Marketing Trends in 2024 | Guide for Staying Ahead
https://www.wask.co/ebooks/digital-marketing-trends-in-2024
Feeling lost in the digital marketing whirlwind of 2024? Technology is changing, consumer habits are evolving, and staying ahead of the curve feels like a never-ending pursuit. This e-book is your compass. Dive into actionable insights to handle the complexities of modern marketing. From hyper-personalization to the power of user-generated content, learn how to build long-term relationships with your audience and unlock the secrets to success in the ever-shifting digital landscape.
Introduction of Cybersecurity with OSS at Code Europe 2024
I develop the Ruby programming language, RubyGems, and Bundler, which are package managers for Ruby. Today, I will introduce how to enhance the security of your application using open-source software (OSS) examples from Ruby and RubyGems.
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Monitoring and Managing Anomaly Detection on OpenShift.pdf
Monitoring and Managing Anomaly Detection on OpenShift
Overview
Dive into the world of anomaly detection on edge devices with our comprehensive hands-on tutorial. This SlideShare presentation will guide you through the entire process, from data collection and model training to edge deployment and real-time monitoring. Perfect for those looking to implement robust anomaly detection systems on resource-constrained IoT/edge devices.
Key Topics Covered
1. Introduction to Anomaly Detection
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5. Introduction to Apache Kafka and S3
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6. Viewing Kafka Messages in the Data Lake
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8. Monitoring Application Metrics with Prometheus
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10. Configuring Camel K Integrations for Data Pipelines
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11. What is a Jupyter Notebook?
- Overview of Jupyter Notebooks, an open-source web application for creating and sharing documents with live code, equations, visualizations, and narrative text.
12. Jupyter Notebooks with Code Examples
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5th LF Energy Power Grid Model Meet-up Slides
5th Power Grid Model Meet-up
It is with great pleasure that we extend to you an invitation to the 5th Power Grid Model Meet-up, scheduled for 6th June 2024. This event will adopt a hybrid format, allowing participants to join us either through an online Mircosoft Teams session or in person at TU/e located at Den Dolech 2, Eindhoven, Netherlands. The meet-up will be hosted by Eindhoven University of Technology (TU/e), a research university specializing in engineering science & technology.
Power Grid Model
The global energy transition is placing new and unprecedented demands on Distribution System Operators (DSOs). Alongside upgrades to grid capacity, processes such as digitization, capacity optimization, and congestion management are becoming vital for delivering reliable services.
Power Grid Model is an open source project from Linux Foundation Energy and provides a calculation engine that is increasingly essential for DSOs. It offers a standards-based foundation enabling real-time power systems analysis, simulations of electrical power grids, and sophisticated what-if analysis. In addition, it enables in-depth studies and analysis of the electrical power grid’s behavior and performance. This comprehensive model incorporates essential factors such as power generation capacity, electrical losses, voltage levels, power flows, and system stability.
Power Grid Model is currently being applied in a wide variety of use cases, including grid planning, expansion, reliability, and congestion studies. It can also help in analyzing the impact of renewable energy integration, assessing the effects of disturbances or faults, and developing strategies for grid control and optimization.
What to expect
For the upcoming meetup we are organizing, we have an exciting lineup of activities planned:
-Insightful presentations covering two practical applications of the Power Grid Model.
-An update on the latest advancements in Power Grid -Model technology during the first and second quarters of 2024.
-An interactive brainstorming session to discuss and propose new feature requests.
-An opportunity to connect with fellow Power Grid Model enthusiasts and users.
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June Patch Tuesday
Ivanti’s Patch Tuesday breakdown goes beyond patching your applications and brings you the intelligence and guidance needed to prioritize where to focus your attention first. Catch early analysis on our Ivanti blog, then join industry expert Chris Goettl for the Patch Tuesday Webinar Event. There we’ll do a deep dive into each of the bulletins and give guidance on the risks associated with the newly-identified vulnerabilities.
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Lambda, Elastic Beanstalk, Lightsail, Amplify, S3 (and more!) can each host websites + APIs. But which one should we choose?
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HCL Notes and Domino License Cost Reduction in the World of DLAU
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-and-domino-license-cost-reduction-in-the-world-of-dlau/
The introduction of DLAU and the CCB & CCX licensing model caused quite a stir in the HCL community. As a Notes and Domino customer, you may have faced challenges with unexpected user counts and license costs. You probably have questions on how this new licensing approach works and how to benefit from it. Most importantly, you likely have budget constraints and want to save money where possible. Don’t worry, we can help with all of this!
We’ll show you how to fix common misconfigurations that cause higher-than-expected user counts, and how to identify accounts which you can deactivate to save money. There are also frequent patterns that can cause unnecessary cost, like using a person document instead of a mail-in for shared mailboxes. We’ll provide examples and solutions for those as well. And naturally we’ll explain the new licensing model.
Join HCL Ambassador Marc Thomas in this webinar with a special guest appearance from Franz Walder. It will give you the tools and know-how to stay on top of what is going on with Domino licensing. You will be able lower your cost through an optimized configuration and keep it low going forward.
These topics will be covered
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- Understanding the DLAU tool and how to best utilize it
- Tips for common problem areas, like team mailboxes, functional/test users, etc
- Practical examples and best practices to implement right away
Best 20 SEO Techniques To Improve Website Visibility In SERP
Boost your website's visibility with proven SEO techniques! Our latest blog dives into essential strategies to enhance your online presence, increase traffic, and rank higher on search engines. From keyword optimization to quality content creation, learn how to make your site stand out in the crowded digital landscape. Discover actionable tips and expert insights to elevate your SEO game.
Artificial Intelligence for XMLDevelopment
In the rapidly evolving landscape of technologies, XML continues to play a vital role in structuring, storing, and transporting data across diverse systems. The recent advancements in artificial intelligence (AI) present new methodologies for enhancing XML development workflows, introducing efficiency, automation, and intelligent capabilities. This presentation will outline the scope and perspective of utilizing AI in XML development. The potential benefits and the possible pitfalls will be highlighted, providing a balanced view of the subject.
We will explore the capabilities of AI in understanding XML markup languages and autonomously creating structured XML content. Additionally, we will examine the capacity of AI to enrich plain text with appropriate XML markup. Practical examples and methodological guidelines will be provided to elucidate how AI can be effectively prompted to interpret and generate accurate XML markup.
Further emphasis will be placed on the role of AI in developing XSLT, or schemas such as XSD and Schematron. We will address the techniques and strategies adopted to create prompts for generating code, explaining code, or refactoring the code, and the results achieved.
The discussion will extend to how AI can be used to transform XML content. In particular, the focus will be on the use of AI XPath extension functions in XSLT, Schematron, Schematron Quick Fixes, or for XML content refactoring.
The presentation aims to deliver a comprehensive overview of AI usage in XML development, providing attendees with the necessary knowledge to make informed decisions. Whether you’re at the early stages of adopting AI or considering integrating it in advanced XML development, this presentation will cover all levels of expertise.
By highlighting the potential advantages and challenges of integrating AI with XML development tools and languages, the presentation seeks to inspire thoughtful conversation around the future of XML development. We’ll not only delve into the technical aspects of AI-powered XML development but also discuss practical implications and possible future directions.
Letter and Document Automation for Bonterra Impact Management (fka Social Sol...
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Irb Tips and Tricks
- 1. Irb Tips and Tricks John McCaffrey Freelance Consultant @J_McCaffrey RailsPerformance.net
- 2. Here we go! • Irb is awesome • Common Usage patterns • Customizing Irb • Rails Console • References
- 3. In case I don’t finish... • IRB is extremely powerful and Customizable • A useful tool in your toolkit • Worth finding ways to improve your usage • Ask your friends, share your ideas • ....some compatibility issues in Rails 3
- 4. Irb is Awesome! http://tryruby.org/
- 5. IRB 101 • printing, dates, calculations • object inspector • requiring files • file scripting
- 6. Tweak it • irb console settings • custom methods (I needed logging and acts_as_versioned inspection) • vim • irb subsession
- 7. What I didn’t cover • Debugging • Additional libraries • More Meta Programming • DRY concepts, testing, workflow
- 8. Resources++ • Why’s IRB Guide http://bit.ly/_why_irb • http://cheat.errtheblog.com/s/rails_console • http://bit.ly/thoughtbot-irb • http://bit.ly/tagaholic-irb • https://github.com/cldwalker/ripl • http://bit.ly/stackoverflow-irb • http://bit.ly/pivotal-debug-irb
- 9. Resources+++ • http://railscasts.com/episodes/48-console-tricks • http://slash7.com/2006/12/21/secrets-of-the-rails- console-ninjas • http://errtheblog.com/posts/24-irb-mix-tape • http://drnicwilliams.com/2006/10/12/my-irbrc-for- consoleirb • http://vimcasts.org/episodes/running-vim-within-irb
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