Mongo
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This document discusses NoSQL databases and the Mongo database. It provides comparisons of different Mongo drivers in Scala, including Casbah and Salat, and discusses challenges with object mapping and versioning when using Mongo. Key topics covered include NoSQL, Mongo, Scala drivers for Mongo like Casbah and Salat, object mapping, and challenges with versioning in Mongo.
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Chris Anderson is a CouchDB committer who helped start the project in 2005. CouchDB uses JSON documents with a flexible schema and provides an HTTP API for CRUD operations. It features an ACID storage engine, replication for high availability, and map-reduce views. Applications are built with CouchApps, which render JSON data as HTML and allow embedding logic via JavaScript. The future of CouchDB may include key-centric identity and peer-to-peer topologies to improve trust and performance.
Introduction to stack's docker integration (1)
Presentation at Haskell Day 2016.
About Stack's Docker integration, which enables you to easily build Haskell apps for your production server environment.
Chris Lea - What does NoSQL Mean for You
The document discusses NoSQL databases as an alternative to SQL databases. It defines NoSQL as structured data storage that does not rely on SQL for access. The document notes that NoSQL does not mean SQL is bad, and explores when a NoSQL database may be preferable to a SQL database, such as when an application's data needs are not well suited to the transactions and joins supported by SQL. It then summarizes different types of NoSQL databases and provides MongoDB as an example use case, highlighting how it avoids some of the overhead of SQL through its flexible schema and high performance.
Low-Maintenance Perl
This talk was presented at OSCON 2006 and ApacheCon 2006. It suffers quite a bit from not having the commentary that went with the slides, but my notes for this talk are available on this site as a PDF.
This talk was probably the most well-received OSCON talk I've ever done. There were a lot of jokes and people were rolling in the aisles. Larry Wall and Damian Conway attended the talk at OSCON and while they did argue a couple of points they mostly laughed along.
Crate - ruby based standalone executables
This is the version of my Crate talk that was given at Scotland on Rails 2009.
This talk will cover the Crate project and how it may be used to package your web application. The end result is a statically built executable of the ruby interpreter and all dependent binary extensions. The application code, ruby stdlib the web framework itself, and all assets are packed into one or more SQLite databases.
Reverse on go
This document discusses analyzing and reversing Go binaries. It shows that Go binaries contain the Go runtime, main code, and imported libraries. The .gopclntab section contains function information like addresses and name offsets that can be used to recover function names in stripped binaries. Analyzing the .gopclntab section is one way to reverse engineer stripped Go binaries along with using the debug/gosym Go package.
Gophers, whales and.. clouds? Oh my!
Presented at BSides Wellington (November 23-24th, 2017; Wellington, New Zealand)
Presented (alpha version) at CSides Canberra (November 17th, 2017; Canberra, Australia)
"Playing with shiny tech, and maybe improving my offensive capacity along the way."
https://github.com/0xdevalias/gopherblazer
Writing a Ruby Gem for beginners
This document provides instructions for writing a Ruby gem for beginners. It recommends picking a license, using source control like Git, writing tests before code, documenting with RDoc, creating a gemspec file, building the gem, uploading it to RubyGems.org, and monitoring usage statistics. The overall process described includes setting up directories, copying code, testing, documenting, building, and releasing the gem for use by others.
Docker for Developers: Dev, Test, Deploy @ BucksCo Devops at MeetMe HQ
The document discusses Docker's platform and ecosystem, which has grown significantly over 19 months to include over 640 contributors, 2.75 million downloads, and extensive community support and documentation. It also outlines the key components of Docker's platform, including the Docker Engine for building, shipping, and running containers, and Docker Hub for sharing images. Finally, it provides examples of how to use Docker to build, run, and manage applications and services across infrastructure.
MongoDB, E-commerce and Transactions
This document provides information about MongoDB and its suitability for e-commerce applications. It discusses how MongoDB allows for a flexible schema that can accommodate different product types like books, music albums, jeans, without needing to define all attributes in advance. This flexibility addresses the "data dilemma" that traditional relational databases have in modeling diverse e-commerce data. Examples of companies successfully using MongoDB for e-commerce are also provided.
Rails console
Slides from a talk I gave about using the Ruby on Rails console (and irb) to develop Web applications. Describes the features of the console, and how you might want to use it.
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Geecon 2019 - Taming Code Quality in the Worst Language I Know: Bash
Geecon 2019 - Taming Code Quality in the Worst Language I Know: Bash
MongoDB - Ruby document store that doesn't rhyme with ouch
MongoDB - Ruby document store that doesn't rhyme with ouch
MongoDB World 2019: Don't Panic - The Hitchhiker's Guide to the MongoDB Galaxy
MongoDB World 2019: Don't Panic - The Hitchhiker's Guide to the MongoDB Galaxy
Running Containerized Node.js Services on AWS Elastic Beanstalk
Running Containerized Node.js Services on AWS Elastic Beanstalk
Docker for Developers: Dev, Test, Deploy @ BucksCo Devops at MeetMe HQ
Docker for Developers: Dev, Test, Deploy @ BucksCo Devops at MeetMe HQ
More from Wilfred Springer
Unfiltered Unveiled
The document discusses the anatomy and concepts of the Unfiltered web framework. Some key points include:
- An Intent in Unfiltered is a partial function that matches HTTP requests and produces response functions.
- Response functions can be composed using ~> to build up an HTTP response.
- Requests are matched using extractors that allow matching on different HTTP request properties like the method, path, headers etc.
- Cross-cutting concerns like authentication can be addressed through Kits, which take an Intent and produce a new Intent.
- Directives provide functionality for error handling, routing and parameter extraction in a cleaner way compared to primitives.
Scala in your organisation
1) Scala aims to be a concise language that allows developers to say more with less code while also squeezing performance out of computer cores.
2) While Scala code can run on the Java Virtual Machine, some objections to its deployment include that it is just Java classes and may be difficult to use.
3) The document provides recommendations for an organization to embrace polyglot programming with Scala, which is described as a better version of Java that developers will enjoy using. It suggests an approach of training and experience over time to increase competency with the language.
Unfiltered Unveiled
This document provides an overview of the Unfiltered web framework for Scala. It discusses how Unfiltered allows defining HTTP services through pattern matching on HTTP requests and building responses. It provides examples of matching on different request properties and composing response parts. Key advantages highlighted are simplicity, control, production usage, and extensibility through custom policies defined via types and patterns.
NoSQL
Alternative NoSQL talk. Not as much theory. Not as much details on the architectural principles. More code samples.
Byzantine Generals
The document discusses the Byzantine Generals Problem, which aims to solve the problem of coordinating actions between generals when some may be traitors. There are two requirements: 1) All loyal generals must agree on the same plan of action and 2) A small number of traitors cannot cause the loyal generals to adopt a bad plan. It explores how oral messages alone cannot solve the problem when there is one traitor among three generals. The document then introduces using digital signatures to authenticate messages and ensure the identities of senders, which provides a potential solution to the Byzantine Generals Problem.
Eventually Consistent
The document discusses different consistency models including:
- Eventual consistency, where updates will propagate across replicas given time but not immediately.
- Causal consistency, where updates respect causality and are guaranteed to be seen in the order they occurred.
- Read-your-writes consistency, where a process sees its own writes.
It also covers optimizations for read and write operations and design considerations like clients implementing consistency through versioning.
Into the Wild
This document discusses various ideas and concepts related to exploration, innovation, and embracing change. It encourages taking obscure approaches, kissing conventions goodbye, and leveraging cross-over effects between different domains. While change can be difficult, maintaining an open perspective and expressing yourself creatively are important. Getting lost is necessary to discover where you truly want to be.
OOPSLA Talk on Preon
Preon is a declarative data binding framework for Java that allows mapping data structures to binary encoded representations. It generates decoders, encoders, and documentation automatically based on annotations on the data structure classes. This avoids the need for manual parsing of bit streams and improves maintainability. Preon uses a chain of Codec objects to handle each encoding/decoding task, keeping the logic encapsulated and modular. It supports features like expressions, lazy loading, inheritance and custom CodecFactories to handle different data types. The goal is to hide the complexity of binary encoding and make working with binary data as easy as working with regular Java objects.
Preon (J-Fall 2008)
The document discusses the challenges of working with binary encoded data and introduces Preon as a declarative data binding framework for binary encoded data. Preon aims to allow developers to declaratively map data structures to encoding formats and generate decoders, encoders and documentation automatically through annotations on data types. It emphasizes convention over configuration and supports features like expressions, references, inheritance and variable introductions to handle complex encoding scenarios.
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Astute Business Solutions | Oracle Cloud Partner |
Your goto partner for Oracle Cloud, PeopleSoft, E-Business Suite, and Ellucian Banner. We are a firm specialized in managed services and consulting.
What is an RPA CoE? Session 2 – CoE Roles
In this session, we will review the players involved in the CoE and how each role impacts opportunities.
Topics covered:
• What roles are essential?
• What place in the automation journey does each role play?
Speaker:
Chris Bolin, Senior Intelligent Automation Architect Anika Systems
What is an RPA CoE? Session 1 – CoE Vision
In the first session, we will review the organization's vision and how this has an impact on the COE Structure.
Topics covered:
• The role of a steering committee
• How do the organization’s priorities determine CoE Structure?
Speaker:
Chris Bolin, Senior Intelligent Automation Architect Anika Systems
Apps Break Data
How information systems are built or acquired puts information, which is what they should be about, in a secondary place. Our language adapted accordingly, and we no longer talk about information systems but applications. Applications evolved in a way to break data into diverse fragments, tightly coupled with applications and expensive to integrate. The result is technical debt, which is re-paid by taking even bigger "loans", resulting in an ever-increasing technical debt. Software engineering and procurement practices work in sync with market forces to maintain this trend. This talk demonstrates how natural this situation is. The question is: can something be done to reverse the trend?
Demystifying Knowledge Management through Storytelling
The Department of Veteran Affairs (VA) invited Taylor Paschal, Knowledge & Information Management Consultant at Enterprise Knowledge, to speak at a Knowledge Management Lunch and Learn hosted on June 12, 2024. All Office of Administration staff were invited to attend and received professional development credit for participating in the voluntary event.
The objectives of the Lunch and Learn presentation were to:
- Review what KM ‘is’ and ‘isn’t’
- Understand the value of KM and the benefits of engaging
- Define and reflect on your “what’s in it for me?”
- Share actionable ways you can participate in Knowledge - - Capture & Transfer
Introducing BoxLang : A new JVM language for productivity and modularity!
Just like life, our code must adapt to the ever changing world we live in. From one day coding for the web, to the next for our tablets or APIs or for running serverless applications. Multi-runtime development is the future of coding, the future is to be dynamic. Let us introduce you to BoxLang.
Dynamic. Modular. Productive.
BoxLang redefines development with its dynamic nature, empowering developers to craft expressive and functional code effortlessly. Its modular architecture prioritizes flexibility, allowing for seamless integration into existing ecosystems.
Interoperability at its Core
With 100% interoperability with Java, BoxLang seamlessly bridges the gap between traditional and modern development paradigms, unlocking new possibilities for innovation and collaboration.
Multi-Runtime
From the tiny 2m operating system binary to running on our pure Java web server, CommandBox, Jakarta EE, AWS Lambda, Microsoft Functions, Web Assembly, Android and more. BoxLang has been designed to enhance and adapt according to it's runnable runtime.
The Fusion of Modernity and Tradition
Experience the fusion of modern features inspired by CFML, Node, Ruby, Kotlin, Java, and Clojure, combined with the familiarity of Java bytecode compilation, making BoxLang a language of choice for forward-thinking developers.
Empowering Transition with Transpiler Support
Transitioning from CFML to BoxLang is seamless with our JIT transpiler, facilitating smooth migration and preserving existing code investments.
Unlocking Creativity with IDE Tools
Unleash your creativity with powerful IDE tools tailored for BoxLang, providing an intuitive development experience and streamlining your workflow. Join us as we embark on a journey to redefine JVM development. Welcome to the era of BoxLang.
AI in the Workplace Reskilling, Upskilling, and Future Work.pptx
Discover how AI is transforming the workplace and learn strategies for reskilling and upskilling employees to stay ahead. This comprehensive guide covers the impact of AI on jobs, essential skills for the future, and successful case studies from industry leaders. Embrace AI-driven changes, foster continuous learning, and build a future-ready workforce.
Read More - https://bit.ly/3VKly70
Northern Engraving | Nameplate Manufacturing Process - 2024
Manufacturing custom quality metal nameplates and badges involves several standard operations. Processes include sheet prep, lithography, screening, coating, punch press and inspection. All decoration is completed in the flat sheet with adhesive and tooling operations following. The possibilities for creating unique durable nameplates are endless. How will you create your brand identity? We can help!
"What does it really mean for your system to be available, or how to define w...
We will talk about system monitoring from a few different angles. We will start by covering the basics, then discuss SLOs, how to define them, and why understanding the business well is crucial for success in this exercise.
AppSec PNW: Android and iOS Application Security with MobSF
Mobile Security Framework - MobSF is a free and open source automated mobile application security testing environment designed to help security engineers, researchers, developers, and penetration testers to identify security vulnerabilities, malicious behaviours and privacy concerns in mobile applications using static and dynamic analysis. It supports all the popular mobile application binaries and source code formats built for Android and iOS devices. In addition to automated security assessment, it also offers an interactive testing environment to build and execute scenario based test/fuzz cases against the application.
This talk covers:
Using MobSF for static analysis of mobile applications.
Interactive dynamic security assessment of Android and iOS applications.
Solving Mobile app CTF challenges.
Reverse engineering and runtime analysis of Mobile malware.
How to shift left and integrate MobSF/mobsfscan SAST and DAST in your build pipeline.
Harnessing the Power of NLP and Knowledge Graphs for Opioid Research
Gursev Pirge, PhD
Senior Data Scientist - JohnSnowLabs
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
How we managed to grow and scale a RAG application from zero to thousands of users in 7 months. Lessons from technical challenges around managing high load for LLMs, RAGs and Vector databases.
Getting the Most Out of ScyllaDB Monitoring: ShareChat's Tips
ScyllaDB monitoring provides a lot of useful information. But sometimes it’s not easy to find the root of the problem if something is wrong or even estimate the remaining capacity by the load on the cluster. This talk shares our team's practical tips on: 1) How to find the root of the problem by metrics if ScyllaDB is slow 2) How to interpret the load and plan capacity for the future 3) Compaction strategies and how to choose the right one 4) Important metrics which aren’t available in the default monitoring setup.
Containers & AI - Beauty and the Beast!?!
As AI technology is pushing into IT I was wondering myself, as an “infrastructure container kubernetes guy”, how get this fancy AI technology get managed from an infrastructure operational view? Is it possible to apply our lovely cloud native principals as well? What benefit’s both technologies could bring to each other?
Let me take this questions and provide you a short journey through existing deployment models and use cases for AI software. On practical examples, we discuss what cloud/on-premise strategy we may need for applying it to our own infrastructure to get it to work from an enterprise perspective. I want to give an overview about infrastructure requirements and technologies, what could be beneficial or limiting your AI use cases in an enterprise environment. An interactive Demo will give you some insides, what approaches I got already working for real.
Keywords: AI, Containeres, Kubernetes, Cloud Native
Event Link: https://meine.doag.org/events/cloudland/2024/agenda/#agendaId.4211
GlobalLogic Java Community Webinar #18 “How to Improve Web Application Perfor...
Під час доповіді відповімо на питання, навіщо потрібно підвищувати продуктивність аплікації і які є найефективніші способи для цього. А також поговоримо про те, що таке кеш, які його види бувають та, основне — як знайти performance bottleneck?
Відео та деталі заходу: https://bit.ly/45tILxj
inQuba Webinar Mastering Customer Journey Management with Dr Graham Hill
HERE IS YOUR WEBINAR CONTENT! 'Mastering Customer Journey Management with Dr. Graham Hill'. We hope you find the webinar recording both insightful and enjoyable.
In this webinar, we explored essential aspects of Customer Journey Management and personalization. Here’s a summary of the key insights and topics discussed:
Key Takeaways:
Understanding the Customer Journey: Dr. Hill emphasized the importance of mapping and understanding the complete customer journey to identify touchpoints and opportunities for improvement.
Personalization Strategies: We discussed how to leverage data and insights to create personalized experiences that resonate with customers.
Technology Integration: Insights were shared on how inQuba’s advanced technology can streamline customer interactions and drive operational efficiency.
Principle of conventional tomography-Bibash Shahi ppt..pptx
before the computed tomography, it had been widely used.
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Astute Business Solutions | Oracle Cloud Partner |
Astute Business Solutions | Oracle Cloud Partner |
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Demystifying Knowledge Management through Storytelling
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Introducing BoxLang : A new JVM language for productivity and modularity!
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AI in the Workplace Reskilling, Upskilling, and Future Work.pptx
Northern Engraving | Nameplate Manufacturing Process - 2024
Northern Engraving | Nameplate Manufacturing Process - 2024
"What does it really mean for your system to be available, or how to define w...
"What does it really mean for your system to be available, or how to define w...
AppSec PNW: Android and iOS Application Security with MobSF
AppSec PNW: Android and iOS Application Security with MobSF
Harnessing the Power of NLP and Knowledge Graphs for Opioid Research
Harnessing the Power of NLP and Knowledge Graphs for Opioid Research
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
Getting the Most Out of ScyllaDB Monitoring: ShareChat's Tips
Getting the Most Out of ScyllaDB Monitoring: ShareChat's Tips
GlobalLogic Java Community Webinar #18 “How to Improve Web Application Perfor...
GlobalLogic Java Community Webinar #18 “How to Improve Web Application Perfor...
inQuba Webinar Mastering Customer Journey Management with Dr Graham Hill
inQuba Webinar Mastering Customer Journey Management with Dr Graham Hill
Principle of conventional tomography-Bibash Shahi ppt..pptx
Principle of conventional tomography-Bibash Shahi ppt..pptx
Mongo
- 2. Papers
- 3. Articles
- 5. 144.000.000
- 7. NoSQL
- 8. no ␣ SQL
- 9. S3
- 10. ...
- 11. Mongo
- 12. ♥Mongo
- 13. ♥Scala
- 14. 1
- 15. Scala ⬍ Mongo
- 16. Java driver ✗ Easy to use, hard to misuse ✗ When in Rome, do as the romans do ✗ Don't make the client do anything the library could do
- 17. Java driver ✗ Easy to use, hard to misuse ✗ When in Rome, do as the romans do ✗ Don't make the client do anything the library could do ☑
- 18. Casbah ✗ Easy to use, hard to misuse ✓ When in Rome, do as the romans do ✗ Don't make the client do anything the library could do ✗ Obey the principle of least astonishment
- 19. Casbah ✗ Easy to use, hard to misuse ✓ When in Rome, do as the romans do ✗ Don't make the client do anything the library could do ✗ Obey the principle of least astonishment Leaky abstractions
- 20. codes: [ “foo”, “bar” ] obj.as[BasicDBList]("codes") .toList .map(_.asInstanceOf[String]) Don’t make me think
- 21. Casbah: coll.findOne(“name” $ne “wilfred”) Mongo: db.coll.findOne({ name : { $ne : “wilfred” } }) ☹ Casbah: coll.findOne( MongoDBObject(“name” -> “wilfred”) ) Don’t make me think! Mongo: db.coll.findOne({ name : “wilfred”})
- 22. Casbah ✗ Easy to use, hard to misuse ✓ When in Rome, do as the romans do ✗ Don't make the client do anything the ✗ library could do Obey the principle of least astonishment ☑
- 23. Salat ✗ Easy to use, hard to misuse ✓ When in Rome, do as the romans do ✓ Don't make the client do anything the ✗ ✗ ✓ library could do Obey the principle of least astonishment Control Symmetry ☒
- 24. Rogue Beaucatcher Lift Subset ?
- 26. Homegrown
- 27. obj.insert[Metadata] ("metadata", doc.metadata) obj.extract[Metadata] ("metadata") Doesn’t make me think!
- 28. 2
- 29. Versioning
- 30. Version 1 { street: “Lingedijk”, housenumber: 132 } ⬍ Version 2 { address: “Lingedijk 132” }
- 31. { version: 1, street: “Lingedijk”, housenumber: 132 } Read time ➡ reconciliation Memory { ➡ version: 2, address: “Lingedijk 132” }
- 32. Rollback
- 33. 3
- 34. Object mapping
- 36. Conclusion
- 37. ♥ Scala ♥ Mongo ☹ Libraries ✎ Versioning D.I.Y. ☼ Composition
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