Lisp(Lots of Irritating Superfluous Parentheses)
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My presentation is about Lisp, and its influences on ruby language. Also speak about Lambda calculus and Turing machine. This is crucial for Lisp origins understanding. Show major Lisp dialects. And speak a little about Emacs and Emacs Lisp. Also I going to show project management in Common Lisp and describe CLOS (Common Lisp Object System).
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Sergiy Kukunin has 9 years of Web Development career and 4 of them - with Ruby. Now he is freelancing and owns a tattoo studio. But the story he is gonna share with us this time is about being a Team Leader - all from a personal experience.
Ever wanted to lead a team?
Hear his sincere story, practical advice and tips how not to screw up.
Rails MVC by Sergiy Koshovyi
The document discusses Rails MVC architecture and its key components. It describes how the MVC pattern separates an application into the model, view, and controller components. It then provides examples of how routing, controllers, models, views, and layouts work in Rails applications to implement the MVC pattern.
Introduction to Rails by Evgeniy Hinyuk
Ruby on Rails is a full-stack web application framework written in Ruby. It allows developers to build database-backed web applications rapidly using conventions like MVC pattern and follows "convention over configuration" principle. Rails includes features like Active Record (ORM), validations, migrations, scaffolding, routing and helpers to help develop web applications quickly. Testing is an important part of Rails development using tools like RSpec, Factory Girl, Cucumber and Capybara.
Testing in Ruby
Slides to Lecture #4 of Ruby Summer Course by #pivorak and OnApp - "R-spec and minitest in Ruby" by Alex Kychun
Ruby Summer Course by #pivorak & OnApp - OOP Basics in Ruby
The document provides a list of resources for learning Ruby including books, podcasts, and websites. It recommends the books "The Well-Grounded Rubyist" by David A. Black, "Clean Code" by Robert C. Martin, and "POODR" by Sandi Metz. It also recommends the Ruby Rogues podcast available at https://devchat.tv/ruby-rogues as a podcast resource for learning Ruby.
The Saga Pattern: 2 years later by Robert Pankowecki
When you split your application into multiple module how do you make them talk to each other? How do you make them react to changes happening in other parts of the system? How do you make them tell each other that something needs to be done? When should it happen? We will have a look what we can squeeze out of domain events being published in various parts of our application and how we can use them to orchestrate a bigger business process.
Data and Bounded Contexts by Volodymyr Byno
Just a small talk about data segregation/modularity from the DDD perspective. It might be interesting for engineers that have to deal with the huge projects. Especially ones that are looking forward to visiting DDD workshop.
Successful Remote Development by Alex Rozumii
More about his talk :
"You've most likely already heard something about remote work. While the concept is not that old, it's a trend that many well-known brands are implementing.
In this presentation, you'll learn the essentials and seldom thought of pitfalls about remote work. These are based on the speaker's experience working remotely for more than two years. Many of these lessons were gained while working at Toptal, a company whose whole business model is built around remote work."
Origins of Elixir programming language
Eugene Pirogov talks about “Origins of Elixir” during #pivorak Lviv Ruby MeetUp 2016
Details:
“For the past 6 years I've been programming in Ruby. Began shifting from Ruby to Elixir during a sabbatical. Started doing programming exercises in Elixir as well as contributing to Elixir language and variety of small libraries in the ecosystem. I'm a strong believer that Elixir, being backed by immensely powerful, robust and battle-tested Erlang VM will take over the world of web development.” - that’s what Eugene says.
Functional Immutable CSS
The talk will be about solving CSS issues in big projects by adopting Functional CSS methodology.
You will learn how to take best ideas from Functional Programming, and apply them to your CSS codebase. This means side-effects are limited or nonexistent, already created classes can't be overridden because they are immutable and they are trying to be as "pure" as it's possible to achieve in CSS.
Multi language FBP with Flowex by Anton Mishchuk
The talk is about Flow-Based programming (FBP) using Flowex library built on top of Elixir GenStage feature.
You will find out about Flowex Railway-FBP design approach, about its abstractions, and the way to easily create pipelines of independent components.
Our speaker Anton also demonstrates how one can use Ruby, Python, and, in general, any other programming language inside Flowex pipes and therefore create reusable components with language-specific functionality.
About the speaker:
Anton Mishchuk is an experienced Ruby developer with more than 6 years in business). Now he’s working with Matic Insurance.
For the last 3 years his main addiction has been Elixir: “I’m happy with actors model of concurrency and functional programming. I have a couple of open-source projects written in Elixir - BDD testing library - ESpec and Flowex.”
Watch video of Anton's talk given at #pivorak here - https://www.youtube.com/watch?v=RY9THv-yosI
Detective story of one clever user - Lightning Talk By Sergiy Kukunin
Not only a Lightning Talk but an exciting detective story that once happened with our new speaker and Ruby Developer Sergiy Kukunin.
CryptoParty: Introduction by Olexii Markovets
This document outlines the topics that will be covered at an upcoming CryptoParty event. The event will introduce participants to basic cryptography tools to help spread knowledge and privacy in a fun, public setting. It will cover tools like PGP/GPG for encrypting email, Tor for anonymity online, and Tails for secure operating systems. The goal is to educate people about digital privacy and security as mass government surveillance increases. Participants will learn practical skills over complex theory and have opportunities to network with others.
How to make first million by 30 (or not, but tryin') - by Marek Piasecki
This time Marek won’t be talking about what’s wrong with frameworks, because you can read it in his blog - http://bit.ly/2jSN0z4.
But about progressing career - strategy, negotiations, self development. And it will be his own story.
It should be interesting for anyone who cares about career/money - not only Ruby Devs.
Marek is from Poland, but now he works as a contractor in Rome for International Fund for Agricultural Development (IFAD) - which is United Nations agency. I’m using Rails of course :)” - he says.
Marek was our Lightning Talker last April about anti-frameworks. Please, check out his talk here emoji unicode: 1f3a5emoji unicode: 1f449 https://youtu.be/QsAArlQnktI
GIS on Rails by Oleksandr Kychun
This document discusses integrating geospatial data and functionality into a Ruby on Rails application using the OpenGeo Suite. It provides an overview of key concepts like raster vs vector data, and describes how to store geospatial data from shapefiles in PostGIS, serve it with GeoServer, and display it in maps using OpenLayers. It also outlines the typical steps to publish a geospatial layer and introduces various APIs for GeoServer configuration. Finally, it lists requirements and describes a process for importing shapefiles into PostGIS through a background job to create layers in GeoServer.
Unikernels - Keep It Simple to the Bare Metal
In this presentation Tomek Kalinowski introduces the Audience to the idea of “Library Operating System” and its modern extension - The Unikernel.
In short unikernel is another way of packaging and deploying code in which everything, including operating system, is tailored to serve your code’s single purpose (like displaying random cat pictures).
We'll try to answer the questions:
- Why and when it can be useful?
- Is this reusable? Interoperable?
- How we can leverage virtualization?
And last, but not least, is this the answer for inevitable coming of our Lord and Savior FPGA?
HTML Canvas tips & tricks - Lightning Talk by Roman Rodych
Lightning Talk by WEB UI Developer at Innocode Roman Rodych about canvas with a special demo (is available on our youtube).
More from Pivorak MeetUp (20)
Business-friendly library for inter-service communication
Business-friendly library for inter-service communication
Ruby Summer Course by #pivorak & OnApp - OOP Basics in Ruby
Ruby Summer Course by #pivorak & OnApp - OOP Basics in Ruby
The Saga Pattern: 2 years later by Robert Pankowecki
The Saga Pattern: 2 years later by Robert Pankowecki
Detective story of one clever user - Lightning Talk By Sergiy Kukunin
Detective story of one clever user - Lightning Talk By Sergiy Kukunin
How to make first million by 30 (or not, but tryin') - by Marek Piasecki
How to make first million by 30 (or not, but tryin') - by Marek Piasecki
HTML Canvas tips & tricks - Lightning Talk by Roman Rodych
HTML Canvas tips & tricks - Lightning Talk by Roman Rodych
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GraphSummit Singapore | The Art of the Possible with Graph - Q2 2024
Neha Bajwa, Vice President of Product Marketing, Neo4j
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HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAU
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-und-domino-lizenzkostenreduzierung-in-der-welt-von-dlau/
DLAU und die Lizenzen nach dem CCB- und CCX-Modell sind für viele in der HCL-Community seit letztem Jahr ein heißes Thema. Als Notes- oder Domino-Kunde haben Sie vielleicht mit unerwartet hohen Benutzerzahlen und Lizenzgebühren zu kämpfen. Sie fragen sich vielleicht, wie diese neue Art der Lizenzierung funktioniert und welchen Nutzen sie Ihnen bringt. Vor allem wollen Sie sicherlich Ihr Budget einhalten und Kosten sparen, wo immer möglich. Das verstehen wir und wir möchten Ihnen dabei helfen!
Wir erklären Ihnen, wie Sie häufige Konfigurationsprobleme lösen können, die dazu führen können, dass mehr Benutzer gezählt werden als nötig, und wie Sie überflüssige oder ungenutzte Konten identifizieren und entfernen können, um Geld zu sparen. Es gibt auch einige Ansätze, die zu unnötigen Ausgaben führen können, z. B. wenn ein Personendokument anstelle eines Mail-Ins für geteilte Mailboxen verwendet wird. Wir zeigen Ihnen solche Fälle und deren Lösungen. Und natürlich erklären wir Ihnen das neue Lizenzmodell.
Nehmen Sie an diesem Webinar teil, bei dem HCL-Ambassador Marc Thomas und Gastredner Franz Walder Ihnen diese neue Welt näherbringen. Es vermittelt Ihnen die Tools und das Know-how, um den Überblick zu bewahren. Sie werden in der Lage sein, Ihre Kosten durch eine optimierte Domino-Konfiguration zu reduzieren und auch in Zukunft gering zu halten.
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- Praxisbeispiele und Best Practices zum sofortigen Umsetzen
Let's Integrate MuleSoft RPA, COMPOSER, APM with AWS IDP along with Slack
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Dr. Sean Tan, Head of Data Science, Changi Airport Group
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Presentation of the OECD Artificial Intelligence Review of Germany
Consult the full report at https://www.oecd.org/digital/oecd-artificial-intelligence-review-of-germany-609808d6-en.htm
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
ここ3000字までしか入らないけどタイトルの方がたくさん文字入ると思います。
Removing Uninteresting Bytes in Software Fuzzing
Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
TrustArc Webinar - 2024 Global Privacy Survey
How does your privacy program stack up against your peers? What challenges are privacy teams tackling and prioritizing in 2024?
In the fifth annual Global Privacy Benchmarks Survey, we asked over 1,800 global privacy professionals and business executives to share their perspectives on the current state of privacy inside and outside of their organizations. This year’s report focused on emerging areas of importance for privacy and compliance professionals, including considerations and implications of Artificial Intelligence (AI) technologies, building brand trust, and different approaches for achieving higher privacy competence scores.
See how organizational priorities and strategic approaches to data security and privacy are evolving around the globe.
This webinar will review:
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Uni Systems Copilot event_05062024_C.Vlachos.pdf
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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.
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
Best 20 SEO Techniques To Improve Website Visibility In SERP
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Lisp(Lots of Irritating Superfluous Parentheses)
- 2. About me Volodymyr Yevtushenko Software Engineer at EPAM github: voloyev email: voloyev@vivaldi.net
- 5. History John McCarthy specified lisp in 1958: Structure of program code is represented directly in a standard data structure. E.g. homoiconicity First programming language with Garbage Collector. Macros: ability to modify the program at runtime and extend the language.
- 6. Lisp is not a language It is a family of programming languages
- 7. Let's rewrite this Ruby program in Common Lisp
- 9. Cons cells: constructs memory objects.
- 10. Only nil and empty list are falsy
- 11. It is better to have 100 functions operate on one data structure than 10 functions on 10 data structures. Alan Perlis
- 13. Contents of the Address Register Contents of the Decrement Register Steve Russell: The first implementations of Lisp were on the IBM 704, the vacuum-tube ancestor of the vacuum-tube 709, the ancestor of the transistorized 7090, later upgraded to the 7094. The time was early in 1959.
- 14. Iteration
- 16. Let’s rewrite our Ruby program!
- 18. Attribute name Getter and setter Default value Getter usage Person instance Getter
- 20. Why?
- 21. Common Lisp using LLVM and C++ for Molecular Metaprogramming