Clojure/West Overview (12/1/11)
1 like1,669 views
This is a high-level overview of the Clojure/West conference as of Dec 1, 2011. Everything is subject to change!
1 of 11
Downloaded 13 times
Ad
Recommended
Real Terracotta
Real TerracottaSergio Bossa The document discusses scalability patterns for applications using Terracotta. It introduces concepts of Terracotta like shared memory across nodes and transactional updates. It then describes several patterns for scalable applications using Terracotta like data affinity caching to collocate data and processing, asynchronous write-behind for throughput, and asynchronous messaging and processing for decoupling components. Code examples and Terracotta modules for implementing the patterns are also provided.
Building High Scalability Apps With Terracotta
Building High Scalability Apps With TerracottaDavid Reines Senior Architect David Reines will present the simple yet powerful clustering capabilities of Terracotta. David will include a brief overview of the product, an in-depth discussion of Terracotta Distributed Shared Objects, and a live load test demonstrating the importance of a well designed clustered application.
David Reines is a Senior Consultant at Object Partners Inc. He has lead the development efforts of several mission-critical enterprise applications in the Twin Cities area. During this time, he has worked very closely with numerous commercial and open source JEE technologies. David has always favored a pragmatic approach to selecting enterprise application technologies and is currently focusing on building highly-concurrent distributed applications using Terracotta.
Strange Loop Conference 2009
Strange Loop Conference 2009Alex Miller The document summarizes the Strange Loop 2009 developer conference that was held on October 22-23, 2009 in University City, Missouri. It included keynotes on the future of Java and minimalism in software. Technical sessions covered topics like Java, .NET, Groovy, Clojure, Ruby, Agile practices, web development, data management and mobile development. There were also lunch panels, short passion talks and a Thursday night party.
Tree Editing with Zippers
Tree Editing with ZippersAlex Miller The document discusses tree editing using zippers. It describes a zipper node protocol for navigating a tree structure with records and fields holding child nodes. The document provides examples of using a record zipper to apply tree pattern matching and evaluation rules to transform trees, such as rewriting a comparison operation tree into an equivalent form. It also briefly mentions Revelytix's use of zippers to translate SPARQL queries to SQL.
Concurrent Stream Processing
Concurrent Stream ProcessingAlex Miller This document discusses concurrent stream processing. It describes representing queries as trees of processing nodes connected by pipes. The nodes transform tuples flowing through the pipes and include operators like joins, filters, and projections. The execution model is event-driven with I/O threads streaming data to compute threads that run node tasks. Memory is managed using buffered pipes that can store data on disk. The system supports parallelism across plans, nodes, and tasks using a fork/join thread pool and concurrency primitives like semaphores and transactions.
Blogging ZOMG
Blogging ZOMGAlex Miller An overview of why you should blog, blogging platforms, tips on writing and ideas for blogs, and promotion and tracking of your blog.
Releasing Relational Data to the Semantic Web
Releasing Relational Data to the Semantic WebAlex Miller Enterprises are drowning in data that they can't find, access, or use.
For many years, enterprises have wrestled with the best way to combine all that data into actionable information without building systems that break as schemas evolve. Approaches like warehousing and ETL can be brittle in the face of changing data sources or expensive to create. Data integration at the application level is common but this results in significant complexity in the code. Data-oriented web services attempt to provide reusable sources of integrated data, however these have just added another layer of data access that constrain query and access patterns.
This talk will look at how semantic web technologies can be used to make existing data visible and actionable using standards like RDF (data), R2RML (data translation), OWL (schema definition and integration), SPARQL (federated query), and RIF (rules). The semantic web approach takes the data you already have and makes that data available for query and use across your existing data sources. This base capability is an excellent platform for building federated analytics.
Scaling Your Cache
Scaling Your CacheAlex Miller Caching has been an essential strategy for greater performance in computing since the beginning of the field. Nearly all applications have data access patterns that make caching an attractive technique, but caching also has hidden trade-offs related to concurrency, memory usage, and latency.
As we build larger distributed systems, caching continues to be a critical technique for building scalable, high-throughput, low-latency applications. Large systems tend to magnify the caching trade-offs and have created new approaches to distributed caching. There are unique challenges in testing systems like these as well.
Ehcache and Terracotta provide a unique way to start with simple caching for a small system and grow that system over time with a consistent API while maintaining low-latency, high-throughput caching.
Caching In The Cloud
Caching In The CloudAlex Miller 5 minute talk from the St. Louis Cloud Camp about using Terracotta in the cloud for caching and more.
Innovative Software
Innovative SoftwareAlex Miller A talk about doing innovative software development including embracing constraints, iterating towards product/market fit, and the qualities of a great innovative team. This presentation was given at the St. Louis Innovation Camp in Feb, 2010.
Stream Execution with Clojure and Fork/join
Stream Execution with Clojure and Fork/joinAlex Miller One of the greatest benefits of Clojure is its ability to create simple, powerful abstractions that operate at the level of the problem while also operating at the level of the language.
This talk discusses a query processing engine built in Clojure that leverages this abstraction power to combine streams of data for efficient concurrent execution.
* Representing processing trees as s-expressions
* Streams as sequences of data
* Optimizing processing trees by manipulating s-expressions
* Direct execution of s-expression trees
* Compilation of s-expressions into nodes and pipes
* Concurrent processing nodes and pipes using a fork/join pool
Cold Hard Cache
Cold Hard CacheAlex Miller An examination of caching, Ehcache, Hibernate second level-cache, Terracotta caching, and the future.
Groovy concurrency
Groovy concurrencyAlex Miller Using Groovy? Got lots of stuff to do at the same time? Then you need to take a look at GPars (“Jeepers!”), a library providing support for concurrency and parallelism in Groovy. GPars brings powerful concurrency models from other languages to Groovy and makes them easy to use with custom DSLs:
- Actors (Erlang and Scala)
- Dataflow (Io)
- Fork/join (Java)
- Agent (Clojure agents)
In addition to this support, GPars integrates with standard Groovy frameworks like Grails and Griffon.
Background, comparisons to other languages, and motivating examples will be given for the major GPars features.
Project Fortress
Project FortressAlex Miller An overview of Project Fortress, a research language being developed at Sun, focusing on scientific and large-scale computing.
Scaling Hibernate with Terracotta
Scaling Hibernate with TerracottaAlex Miller Terracotta (an open source technology) provides a clustered, durable virtual heap. Terracotta's goal is to make Java apps scale with as little effort as possible. If you are using Hibernate, there are several patterns that can be used to leverage Terracotta and reduce the load on your database so your app can scale.
First, you can use the Terracotta clustered Hibernate cache. This is a high-performance clustered cache and allows you to avoid hitting the database on all nodes in your cluster. It's suitable, not just for read-only, but also for read-mostly and read-write use cases, which traditionally have not been viewed as good use cases for Hibernate second level cache.
Another high performance option is to disconnect your POJOs from their Hibernate session and manage them entirely in Terracotta shared heap instead. This is a great option for conversational data where the conversational data is not of long-term interest but must be persistent and highly-available. This pattern can significantly reduce your database load but does require more changes to your application than using second-level cache.
This talk will examine the basics of what Terracotta provides and examples of how you can scale your Hibernate application with both clustered second level cache and detached clustered state. Also, we'll take a look at Terracotta's Hibernate-specific monitoring tools.
Java collection
Java collectionArati Gadgil This document provides an overview of Java collection classes and interfaces. It discusses the Collection framework, commonly used methods for Collection, List, Iterator, ArrayList, LinkedList, Set, Queue, Map, Entry, and sorting. The key classes covered are Collection, List, Iterator, ArrayList, LinkedList, HashSet, Queue, Map, and Entry. It explains the purpose of each interface and differences between data structures like ArrayList vs LinkedList, List vs Set.
Java Concurrency Gotchas
Java Concurrency GotchasAlex Miller The document discusses common concurrency problems in Java like shared mutable state, visibility issues, inconsistent synchronization, and unsafe publication and provides examples of how to properly implement threading concepts like locking, waiting and notifying with synchronization, volatile variables, atomic classes and safe initialization techniques to avoid concurrency bugs. It also cautions against unsafe practices like synchronizing on the wrong objects or misusing threading methods that can lead to deadlocks, race conditions and other concurrency problems.
Scaling Your Cache And Caching At Scale
Scaling Your Cache And Caching At ScaleAlex Miller Caching has been an essential strategy for greater performance in computing since the beginning of the field. Nearly all applications have data access patterns that make caching an attractive technique, but caching also has hidden trade-offs related to concurrency, memory usage, and latency.
As we build larger distributed systems, caching continues to be a critical technique for building scalable, high-throughput, low-latency applications. Large systems tend to magnify the caching trade-offs and have created new approaches to distributed caching. There are unique challenges in testing systems like these as well.
Ehcache and Terracotta provide a unique way to start with simple caching for a small system and grow that system over time with a consistent API while maintaining low-latency, high-throughput caching.
07 java collection
07 java collectionAbhishek Khune The Java Collection Framework provides interfaces and implementations for commonly used data structures like lists, sets, maps and queues. Some key interfaces include Collection, Set, List, Map and SortedSet. Common implementations are ArrayList, LinkedList, HashSet, TreeSet, HashMap and TreeMap. The framework also includes iterators for traversing collections and algorithms for sorting. Generic types were introduced in Java 5 for type-safe collections.
Collections In Java
Collections In JavaBinoj T E Collections in Java include arrays, iterators, and interfaces like Collection, Set, List, and Map. Arrays have advantages like type checking and known size but are fixed. Collections generalize arrays, allowing resizable and heterogeneous groups through interfaces implemented by classes like ArrayList, LinkedList, HashSet and HashMap. Common operations include adding, removing, and iterating over elements.
Collection Framework in java
Collection Framework in javaCPD INDIA Collections Framework is a unified architecture for managing collections, Main Parts of Collections Framework
1. Interfaces :- Core interfaces defining common functionality exhibited by collections
2. Implementations :- Concrete classes of the core interfaces providing data structures
3. Operations :- Methods that perform various operations on collections
Cracking clojure
Cracking clojureAlex Miller This document provides an overview of the Clojure programming language and its key features. It discusses Clojure's dynamic and functional nature, its use of immutable data and state management via atoms, refs, and agents. It also covers Clojure's interactive development environment via the REPL, its treatment of code as data, and how functions and macros are defined. Examples are provided of Clojure code for Conway's Game of Life.
Marshmallow Test
Marshmallow TestAlex Miller The document discusses the "Marshmallow Test" which studied children's ability to delay gratification. It found that children who were able to wait longer for a second marshmallow had better life outcomes including higher SAT scores, healthier habits, and more career and financial success. While delaying gratification is difficult, the document suggests people can learn strategies to improve self-control when faced with temptation.
Java Collection framework
Java Collection frameworkankitgarg_er The document discusses the Java Collections Framework, which includes interfaces like Collection, List, Set, and Map. It describes common implementations like ArrayList, LinkedList, HashSet, TreeSet, HashMap, and LinkedHashMap. It covers the core functionality provided by the interfaces and benefits of using the framework.
Java Collections
Java Collectionsparag The document summarizes various collection classes in Java, including Collection, List, Set, and Map interfaces and their common implementations like ArrayList, LinkedList, HashSet, TreeSet, HashMap, and TreeMap. It discusses the pros and cons of different collection classes and how to iterate through collections using iterators to avoid ConcurrentModificationExceptions.
Clojure: The Art of Abstraction
Clojure: The Art of AbstractionAlex Miller The document discusses how abstraction is central to programming and how Clojure is a good language for creating abstractions, noting that Clojure provides primitive expressions, means of combination through functions, and means of abstraction through functions, records, multimethods and protocols to build complex programs from simple ideas.
Java Collections API
Java Collections APIAlex Miller This document provides an overview of Java collections APIs, including:
- A history of collections interfaces added in different JDK versions from 1.0 to 1.7.
- Descriptions of common collection interfaces like List, Set, Map and their implementations.
- Comparisons of performance and characteristics of different collection implementations.
- Explanations of common collection algorithms and concurrency utilities.
- References for further reading on collections and concurrency.
Java - Collections framework
Java - Collections frameworkRiccardo Cardin This presentation introduces some concepts about the Java Collection framework. These slides introduce the following concepts:
- Collections and iterators
- Linked list and array list
- Hash set and tree set
- Maps
- The collection framework
The presentation is took from the Java course I run in the bachelor-level informatics curriculum at the University of Padova.
SI Team Leader Session
SI Team Leader Sessiondgoodman_1958 This document provides information about an upcoming Summer Institute session for team leaders. It includes protocols for the webinar, outcomes participants should achieve, examples of team norms, plans for the structure and topics of the Summer Institute, locations and dates, important targets and deadlines, and guidance for teams on proceeding with planning and maintaining their wiki pages. The document gives an overview of the agenda and logistics for the Summer Institute session.
ACL 2018 Recap
ACL 2018 RecapNAVER Engineering ACL 2018에 다녀오신 NAVER 개발자 분들께서 그 내용을 공유해 주십니다.
1. Overview - Lucy Park
2. Tutorials - Xiaodong Gu
3. Main conference
a. Semantic parsing - Soonmin Bae
b. Dialogue - Kyungduk Kim
c. Machine translation - Zae Myung Kim
d. Summarization - Hye-Jin Min
4. Workshops - Minjoon Seo
Ad
More Related Content
Viewers also liked (20)
Caching In The Cloud
Caching In The CloudAlex Miller 5 minute talk from the St. Louis Cloud Camp about using Terracotta in the cloud for caching and more.
Innovative Software
Innovative SoftwareAlex Miller A talk about doing innovative software development including embracing constraints, iterating towards product/market fit, and the qualities of a great innovative team. This presentation was given at the St. Louis Innovation Camp in Feb, 2010.
Stream Execution with Clojure and Fork/join
Stream Execution with Clojure and Fork/joinAlex Miller One of the greatest benefits of Clojure is its ability to create simple, powerful abstractions that operate at the level of the problem while also operating at the level of the language.
This talk discusses a query processing engine built in Clojure that leverages this abstraction power to combine streams of data for efficient concurrent execution.
* Representing processing trees as s-expressions
* Streams as sequences of data
* Optimizing processing trees by manipulating s-expressions
* Direct execution of s-expression trees
* Compilation of s-expressions into nodes and pipes
* Concurrent processing nodes and pipes using a fork/join pool
Cold Hard Cache
Cold Hard CacheAlex Miller An examination of caching, Ehcache, Hibernate second level-cache, Terracotta caching, and the future.
Groovy concurrency
Groovy concurrencyAlex Miller Using Groovy? Got lots of stuff to do at the same time? Then you need to take a look at GPars (“Jeepers!”), a library providing support for concurrency and parallelism in Groovy. GPars brings powerful concurrency models from other languages to Groovy and makes them easy to use with custom DSLs:
- Actors (Erlang and Scala)
- Dataflow (Io)
- Fork/join (Java)
- Agent (Clojure agents)
In addition to this support, GPars integrates with standard Groovy frameworks like Grails and Griffon.
Background, comparisons to other languages, and motivating examples will be given for the major GPars features.
Project Fortress
Project FortressAlex Miller An overview of Project Fortress, a research language being developed at Sun, focusing on scientific and large-scale computing.
Scaling Hibernate with Terracotta
Scaling Hibernate with TerracottaAlex Miller Terracotta (an open source technology) provides a clustered, durable virtual heap. Terracotta's goal is to make Java apps scale with as little effort as possible. If you are using Hibernate, there are several patterns that can be used to leverage Terracotta and reduce the load on your database so your app can scale.
First, you can use the Terracotta clustered Hibernate cache. This is a high-performance clustered cache and allows you to avoid hitting the database on all nodes in your cluster. It's suitable, not just for read-only, but also for read-mostly and read-write use cases, which traditionally have not been viewed as good use cases for Hibernate second level cache.
Another high performance option is to disconnect your POJOs from their Hibernate session and manage them entirely in Terracotta shared heap instead. This is a great option for conversational data where the conversational data is not of long-term interest but must be persistent and highly-available. This pattern can significantly reduce your database load but does require more changes to your application than using second-level cache.
This talk will examine the basics of what Terracotta provides and examples of how you can scale your Hibernate application with both clustered second level cache and detached clustered state. Also, we'll take a look at Terracotta's Hibernate-specific monitoring tools.
Java collection
Java collectionArati Gadgil This document provides an overview of Java collection classes and interfaces. It discusses the Collection framework, commonly used methods for Collection, List, Iterator, ArrayList, LinkedList, Set, Queue, Map, Entry, and sorting. The key classes covered are Collection, List, Iterator, ArrayList, LinkedList, HashSet, Queue, Map, and Entry. It explains the purpose of each interface and differences between data structures like ArrayList vs LinkedList, List vs Set.
Java Concurrency Gotchas
Java Concurrency GotchasAlex Miller The document discusses common concurrency problems in Java like shared mutable state, visibility issues, inconsistent synchronization, and unsafe publication and provides examples of how to properly implement threading concepts like locking, waiting and notifying with synchronization, volatile variables, atomic classes and safe initialization techniques to avoid concurrency bugs. It also cautions against unsafe practices like synchronizing on the wrong objects or misusing threading methods that can lead to deadlocks, race conditions and other concurrency problems.
Scaling Your Cache And Caching At Scale
Scaling Your Cache And Caching At ScaleAlex Miller Caching has been an essential strategy for greater performance in computing since the beginning of the field. Nearly all applications have data access patterns that make caching an attractive technique, but caching also has hidden trade-offs related to concurrency, memory usage, and latency.
As we build larger distributed systems, caching continues to be a critical technique for building scalable, high-throughput, low-latency applications. Large systems tend to magnify the caching trade-offs and have created new approaches to distributed caching. There are unique challenges in testing systems like these as well.
Ehcache and Terracotta provide a unique way to start with simple caching for a small system and grow that system over time with a consistent API while maintaining low-latency, high-throughput caching.
07 java collection
07 java collectionAbhishek Khune The Java Collection Framework provides interfaces and implementations for commonly used data structures like lists, sets, maps and queues. Some key interfaces include Collection, Set, List, Map and SortedSet. Common implementations are ArrayList, LinkedList, HashSet, TreeSet, HashMap and TreeMap. The framework also includes iterators for traversing collections and algorithms for sorting. Generic types were introduced in Java 5 for type-safe collections.
Collections In Java
Collections In JavaBinoj T E Collections in Java include arrays, iterators, and interfaces like Collection, Set, List, and Map. Arrays have advantages like type checking and known size but are fixed. Collections generalize arrays, allowing resizable and heterogeneous groups through interfaces implemented by classes like ArrayList, LinkedList, HashSet and HashMap. Common operations include adding, removing, and iterating over elements.
Collection Framework in java
Collection Framework in javaCPD INDIA Collections Framework is a unified architecture for managing collections, Main Parts of Collections Framework
1. Interfaces :- Core interfaces defining common functionality exhibited by collections
2. Implementations :- Concrete classes of the core interfaces providing data structures
3. Operations :- Methods that perform various operations on collections
Cracking clojure
Cracking clojureAlex Miller This document provides an overview of the Clojure programming language and its key features. It discusses Clojure's dynamic and functional nature, its use of immutable data and state management via atoms, refs, and agents. It also covers Clojure's interactive development environment via the REPL, its treatment of code as data, and how functions and macros are defined. Examples are provided of Clojure code for Conway's Game of Life.
Marshmallow Test
Marshmallow TestAlex Miller The document discusses the "Marshmallow Test" which studied children's ability to delay gratification. It found that children who were able to wait longer for a second marshmallow had better life outcomes including higher SAT scores, healthier habits, and more career and financial success. While delaying gratification is difficult, the document suggests people can learn strategies to improve self-control when faced with temptation.
Java Collection framework
Java Collection frameworkankitgarg_er The document discusses the Java Collections Framework, which includes interfaces like Collection, List, Set, and Map. It describes common implementations like ArrayList, LinkedList, HashSet, TreeSet, HashMap, and LinkedHashMap. It covers the core functionality provided by the interfaces and benefits of using the framework.
Java Collections
Java Collectionsparag The document summarizes various collection classes in Java, including Collection, List, Set, and Map interfaces and their common implementations like ArrayList, LinkedList, HashSet, TreeSet, HashMap, and TreeMap. It discusses the pros and cons of different collection classes and how to iterate through collections using iterators to avoid ConcurrentModificationExceptions.
Clojure: The Art of Abstraction
Clojure: The Art of AbstractionAlex Miller The document discusses how abstraction is central to programming and how Clojure is a good language for creating abstractions, noting that Clojure provides primitive expressions, means of combination through functions, and means of abstraction through functions, records, multimethods and protocols to build complex programs from simple ideas.
Java Collections API
Java Collections APIAlex Miller This document provides an overview of Java collections APIs, including:
- A history of collections interfaces added in different JDK versions from 1.0 to 1.7.
- Descriptions of common collection interfaces like List, Set, Map and their implementations.
- Comparisons of performance and characteristics of different collection implementations.
- Explanations of common collection algorithms and concurrency utilities.
- References for further reading on collections and concurrency.
Java - Collections framework
Java - Collections frameworkRiccardo Cardin This presentation introduces some concepts about the Java Collection framework. These slides introduce the following concepts:
- Collections and iterators
- Linked list and array list
- Hash set and tree set
- Maps
- The collection framework
The presentation is took from the Java course I run in the bachelor-level informatics curriculum at the University of Padova.
Similar to Clojure/West Overview (12/1/11) (20)
SI Team Leader Session
SI Team Leader Sessiondgoodman_1958 This document provides information about an upcoming Summer Institute session for team leaders. It includes protocols for the webinar, outcomes participants should achieve, examples of team norms, plans for the structure and topics of the Summer Institute, locations and dates, important targets and deadlines, and guidance for teams on proceeding with planning and maintaining their wiki pages. The document gives an overview of the agenda and logistics for the Summer Institute session.
ACL 2018 Recap
ACL 2018 RecapNAVER Engineering ACL 2018에 다녀오신 NAVER 개발자 분들께서 그 내용을 공유해 주십니다.
1. Overview - Lucy Park
2. Tutorials - Xiaodong Gu
3. Main conference
a. Semantic parsing - Soonmin Bae
b. Dialogue - Kyungduk Kim
c. Machine translation - Zae Myung Kim
d. Summarization - Hye-Jin Min
4. Workshops - Minjoon Seo
Introduction to NLP.pptx
Introduction to NLP.pptxbuivantan_uneti The document provides an introduction to a course on natural language processing, outlining the course overview, topics to be covered including introductions to NLP and Watson, machine learning for NLP, and why NLP is difficult. It provides information on the course instructor, teaching assistant, homepages, office hours, goals and topics of the course, organization, recommended textbooks, assignments, grading, class policies, and an outline of course topics.
From Paper to Power using Azure Form Recognizer (Azure Sydney UG 2020)
From Paper to Power using Azure Form Recognizer (Azure Sydney UG 2020)Jernej Kavka (JK) Are you still collecting your feedback on paper handouts? Red, yellow, green feedback is faster, but what do you do with that? It’s so time-consuming to go through the feedback forms afterward and maybe you just don’t bother. What if you could collect feedback on a custom form, collate the data and get actionable results before your coffee gets cold?
Join me on the journey from waiting weeks to get feedback from the user group talks to have the results in less than an hour for each event. You’ll see how you can use Form Recognizer to parse the data straight from the page, what you can and can’t do right now, as well as how you can leverage other Cognitive Services to get more details from the user feedback forms!
WordCamp Milwaukee 2012 - Contributing to Open Source
WordCamp Milwaukee 2012 - Contributing to Open Sourcejclermont The document discusses contributing to open source projects. There are both altruistic and selfish reasons to contribute including giving back to communities, improving one's own skills, and boosting one's resume. Contributions are not limited to code and include tasks like documentation, translation, testing, and reporting bugs. Getting started involves working on projects of personal interest, following coding standards, understanding communities, and communicating through mailing lists and forums. The document encourages beginning with small contributions and provides helpful links for getting involved in open source.
Enterprise Drupal
Enterprise DrupalChapter Three This document discusses managing large enterprise Drupal projects with epic scope, scale, and speed. It provides a case study of a project with 22 content types, 16 custom modules, and over 4500 commits that was completed on time and on budget while maintaining code quality. It also outlines some of the challenges of enterprise Drupal projects like scope creep, multiple stakeholders, and platform requirements. Finally, it promotes tools like Aegir and Pantheon that can help with deployment and management of large Drupal sites at scale.
Kingston University HTML Programming and Internet Tools module introduction
Kingston University HTML Programming and Internet Tools module introductionpetter This document provides information about an HTML programming and internet tools course. It includes contact information for the instructor, Petter Warnsberg, and module leader Vincent Lau. It outlines the course structure, schedule, assessments, reading list, and resources. Examples of HTML, CSS, JavaScript, Flash and dynamic content are provided. It discusses the evolution of digital media and the layers of technology that the web is built upon.
Coursera amazon cloudsearch presentation 
Coursera amazon cloudsearch presentation Michael Bohlig - Coursera is an ed-tech startup providing massive open online courses from top universities to over 2.5 million users, with around 9 million course enrollments.
- They needed a search solution for their forums due to the limitations of MySQL full text search in handling natural language queries and relevance at scale.
- CloudSearch was selected as it provided fast and relevant searches with low maintenance compared to alternatives like Solr due to its ease of use and integration on AWS. It currently indexes around 1.5 million documents to power searches of their forums.
OSMC 2019 | How to improve database Observability by Charles Judith
OSMC 2019 | How to improve database Observability by Charles JudithNETWAYS Delivering a database service is not a simple job but to ensure that everything is working correctly your platform needs to be observable. In this talk, I’ll talk about how we make the MySQL/MariaDB databases observable. We’ll talk about the RED, USE methods, and the golden signals. You’ll discover how we dealt with the following questions “We think the database is slow”. This talk will allow you to make your databases discoverable with open source solutions.
Hosting an ACM SIGDOC Unconference
Hosting an ACM SIGDOC UnconferenceJennifer Riehle McFarland The presentation on NC State's SpeedCon unconference, presented for the 2012 ACM SIGDOC Conference in Seattle, WA.
Give A Great Tech Talk 2013
Give A Great Tech Talk 2013PostgreSQL Experts, Inc. This document provides guidance for giving a great tech talk. It is divided into three parts: 80% preparation, 20% execution, and the audience outside the lecture hall. For preparation, the document emphasizes choosing an engaging topic, knowing your audience and timeslot, using few slides with clear visuals and code examples, and rehearsing. For execution, it discusses effective speaking techniques like eye contact and body language. It also outlines seven habits of ineffective presenters to avoid, such as being chained to your chair or going over time. The document concludes by addressing questions, sharing slides, and curating talks for maximum impact.
Kingston University HTML Programming and Internet Tools module introduction
Kingston University HTML Programming and Internet Tools module introductionpetter This document provides information about an HTML programming and internet tools course. It includes contact information for the instructor, Petter Warnsberg, and module leader Vincent Lau. It outlines the course structure, schedule, assessments, and reading list. Key information includes classes taking place on Thursdays, individual and group assignments worth 40% and 30% respectively, and two in-class tests accounting for 30% of the grade. Plagiarism guidelines and potential consequences are also mentioned.
ESWC SS 2012 - Monday Introduction John Domingue: The 2nd ESWC Summer School
ESWC SS 2012 - Monday Introduction John Domingue: The 2nd ESWC Summer Schooleswcsummerschool The document summarizes the schedule and activities for the 2nd ESWC Summer School on semantic web technologies. The summer school will include tutorials, hands-on practical sessions, student mini-projects, and keynote talks covering topics such as semantic web languages, linked open data, building and using ontologies, social semantics, and more. Students will collaborate in groups to complete a mini-project on applying semantic technologies and present their results. The schedule provides details on the daily activities and events over the course of the week-long summer school.
Your Voice is My Passport
Your Voice is My PassportPriyanka Aash Financial institutions, home automation products, and hi-tech offices have increasingly used voice fingerprinting as a method for authentication. Recent advances in machine learning have shown that text-to-speech systems can generate synthetic, high-quality audio of subjects using audio recordings of their speech. Are current techniques for audio generation enough to spoof voice authentication algorithms? We demonstrate, using freely available machine learning models and limited budget, that standard speaker recognition and voice authentication systems are indeed fooled by targeted text-to-speech attacks. We further show a method which reduces data required to perform such an attack, demonstrating that more people are at risk for voice impersonation than previously thought.
Sneak Peek at FUSION 2014
Sneak Peek at FUSION 2014D2L Barry This document provides information about the Desire2Learn FUSION 2014 conference, including dates, locations, sessions, speakers and special guests. The conference will take place July 13-18 in Nashville, TN and will feature tracks on technology, workshops/training and leadership. Sessions will cover topics like continuous delivery, blended learning, and adoption strategies. Special guests include Colonel Chris Hadfield, LeVar Burton and Elliott Masie. Pre- and post-conference workshops are also available for an additional fee.
Getting involved in network security
Getting involved in network securityjeffmcjunkin This document provides advice for getting involved in network security. It recommends gaining skills through hands-on experience with tools like BackTrack and Metasploitable, blogging about projects, listening to security podcasts, and participating in security challenges. It also suggests using skills by finding problems with other people's research and tools. Finally, it advises talking to people in the security field, attending local meetups, and asking professors about contacts and internships. The overall goals are to continuously build practical skills and make connections in the industry.
How to Run a ClojureBridge Workshop
How to Run a ClojureBridge WorkshopNola Stowe This document provides guidance on how to teach a ClojureBridge workshop. It discusses organizing introductions, getting attendees and sponsors, training teaching assistants (TAs), creating a safe and inclusive space, logistics like food and space, determining the audience and content, and selecting projects. The goal of ClojureBridge is to increase diversity in the Clojure community by offering free beginner-friendly workshops for underrepresented groups in tech. Sample projects discussed include a drawing app using Quil, tones using Overtone, interacting with APIs, and creating a web app.
Elastic search from the trenches
Elastic search from the trenchesVinícius Carvalho Presentation given on NYC software engineering group [http://www.meetup.nycsoftware.org/events/102941112/] on Feb 07 2013.
An overview of the implementation of ElasticSearch as the new search and browse engine at emusic.com.
This talk shows the challenges that the team faced while putting this amazing solution to work.
By replacing a proprietary legacy Oracle Endeca product to ElasticSearch emusic was able to reduce by 400% the number of nodes used by the search engine, response times were down by 200% and with an 80% increase of traffic load.
We serve over 5 million requests a day on our search servers.
Upcoming workshops
Upcoming workshopsColorado Association of Funders The document provides details about digital storytelling workshops scheduled for 2010 and 2011, including dates, locations, prices, and curriculum. The workshops are 3-day sessions held in Denver and Lyons, Colorado that teach participants how to design and produce a 3-minute digital story using multimedia software. The curriculum covers seven elements of digital storytelling, a group script review process, hands-on software tutorials in programs like Final Cut, and production support to help participants complete their stories.
MongoDB - Who, What & Where!
MongoDB - Who, What & Where!Mark Hillick Introductory presentation to MongoDB - who, what, where & usage in the cloud :) Yes, the #cloud!!!
Brown Bag session with UCD.
Ad
More from Alex Miller (6)
Java Concurrency Idioms
Java Concurrency IdiomsAlex Miller An overview of Java concurrency idioms for managing shared data, coordinating multiple threads, and managing work.
Design Patterns Reconsidered
Design Patterns ReconsideredAlex Miller The document discusses reconsidering design patterns and some of their common criticisms. It argues that overuse of patterns can lead to problems like hidden coupling and lack of flexibility. It also discusses alternatives to traditional patterns that allow for easier testing, evolution and flexibility through approaches like dependency injection, composition over inheritance, and separating behavior from structure using strategies. Overall it advocates an approach that focuses on communication, flexibility and reducing coupling rather than rigidly applying patterns as templates.
Java 7 Preview
Java 7 PreviewAlex Miller A preview of likely features that will be included in Java 7 / JDK 7. Note that this presentation is from February 2009 and things are changing quickly.
Exploring Terracotta
Exploring TerracottaAlex Miller How Terracotta enables scaled Spring/Hibernate applications. Presented at Chicago JUG in March 2009 by Alex Miller (http://tech.puredanger.com / @puredanger)
Actor Concurrency
Actor ConcurrencyAlex Miller An introduction to Erlang and the actor model of concurrency.
Author: Alex Miller
Blog: http://tech.puredanger.com
Twitter: @puredanger
Java Concurrency Gotchas
Java Concurrency GotchasAlex Miller This document discusses common concurrency problems in Java and how to address them. It covers issues that can arise from shared mutable data being accessed without proper synchronization between threads, as well as problems related to visibility and atomicity of operations. Specific problems covered include mutable statics, double-checked locking, volatile arrays, and non-atomic operations like incrementing a long. The document provides best practices for locking, wait/notify, thread coordination, and avoiding deadlocks, spin locks, and lock contention.
Ad
Recently uploaded (20)
The Fascinating World of Hats: A Brief History of Hats
The Fascinating World of Hats: A Brief History of Hatsnimrabilal030 Hats have been integral to human culture for centuries, serving various purposes from protection against the elements to fashion statements. This article delves into hats' history, types, and cultural significance, exploring how they have evolved and their role in contemporary society.
BeMetals_Presentation_May_2025 .pdf
BeMetals_Presentation_May_2025 .pdfDerekIwanaka2 A 22 page overview of BeMetals Corp. for investors.
Disinformation in Society Report 2025 Key Findings
Disinformation in Society Report 2025 Key FindingsMariumAbdulhussein The Institute for Public Relations Behavioral Insights Research Center and Leger partnered on this 5th edition of the Disinformation in Society Report. We surveyed 2,000 U.S. adults to assess what sources they trust, how Americans perceive false or misleading information, who they hold responsible for spreading it, and what actions they believe are necessary to combat it.
The Peter Cowley Entrepreneurship Event Master 30th.pdf
The Peter Cowley Entrepreneurship Event Master 30th.pdfRichard Lucas About this event
The event is dedicated to remember the contribution Peter Cowley made to the entrepreneurship eco-system in Cambridge and beyond, and includes a special lecture about his impact..
We aim to make the event useful and enjoyable for all those who are committed to entrepreneurship.
Programme
Registration and Networking
Introduction & Welcome
The Invested Investor Peter Cowley Entrepreneurship Talk, by Katy Tuncer Linkedin
Introductions from key actors in the entrepreneurship support eco-system
Cambridge Angels Emmi Nicholl Managing Director Linkedin
Cambridge University Entrepreneurs , Emre Isik President Elect Linkedin
CUTEC Annur Ababil VP Outreach Linkedin
King's Entrepreneurship Lab (E-Lab) Sophie Harbour Linkedin
Cambridgeshire Chambers of Commerce Charlotte Horobin CEO Linkedin
St John's Innovation Centre Ltd Barnaby Perks CEO Linkedin
Presentations by entrepreneurs from Cambridge and Anglia Ruskin Universities
Jeremy Leong Founder Rainbow Rocket Climbing Wall Linkedin
Mark Kotter Founder - bit.bio https://www.bit.bio Linkedin
Talha Mehmood Founder CEO Medily Linkedin
Alison Howie Cambridge Adaptive Testing Linkedin
Mohammad Najilah, Director of the Medical Technology Research Centre, Anglia Ruskin University Linkedin
Q&A
Guided Networking
Light refreshments will be served. Many thanks to Penningtons Manches Cooper and Anglia Ruskin University for covering the cost of catering, and to Anglia Ruskin University for providing the venue
The event is hosted by
Prof. Gary Packham Linkedin Pro Vice Chancellor Anglia Ruskin University
Richard Lucas Linkedin Founder CAMentrepreneurs
About Peter Cowley
Peter Cowley ARU Doctor of Business Administration, honoris causa.
Author of Public Success Private Grief
Co-Founder CAMentrepreneurs & Honorary Doctorate from Anglia Ruskin.
Chair of Cambridge Angels, UK Angel Investor of the Year, President of European Business Angels Network Wikipedia. Peter died in November 2024.
About Anglia Ruskin University - ARU
ARU was the recipient of the Times Higher Education University of the Year 2023 and is a global university with students from 185 countries coming to study at the institution. Anglia Ruskin prides itself on being enterprising, and innovative, and nurtures those qualities in students and graduates through mentorship, support and start-up funding on offer through the Anglia Ruskin Enterprise Academy. ARU was the first in the UK to receive the prestigious Entrepreneurial University Award from the National Centre for Entrepreneurship in Education (NCEE), and students, businesses, and partners all benefit from the outstanding facilities available.
About CAMentrepreneurs
CAMentrepreneurs supports business and social entrepreneurship among Cambridge University Alumni, students and others. Since its launch in 2016 CAMentrepreneurs has held more than 67 events in Boston, Cambridge, Dallas, Dubai, Edinburgh, Glasgow, Helsinki, Hong Kong, Houston, Lisbon, London, Oxford, Paris, New
From Dreams to Threads: The Story Behind The Chhapai
From Dreams to Threads: The Story Behind The ChhapaiThe Chhapai Chhapai is a direct-to-consumer (D2C) lifestyle fashion brand founded by Akash Sharma. We believe in providing the best quality printed & graphic t-shirts & hoodies so you can express yourself through what you wear, because everything can’t be explained in words.
Accounting_Basics_Complete_Guide_By_CA_Suvidha_Chaplot (1).pdf
Accounting_Basics_Complete_Guide_By_CA_Suvidha_Chaplot (1).pdfCA Suvidha Chaplot
**Title:** Accounting Basics – A Complete Visual Guide
**Author:** CA Suvidha Chaplot
**Description:**
Whether you're a beginner in business, a commerce student, or preparing for professional exams, understanding the language of business — **accounting** — is essential. This beautifully designed SlideShare simplifies key accounting concepts through **colorful infographics**, clear examples, and smart layouts.
From understanding **why accounting matters** to mastering **core principles, standards, types of accounts, and the accounting equation**, this guide covers everything in a visual-first format.
📘 **What’s Inside:**
* **Introduction to Accounting**: Definition, objectives, scope, and users
* **Accounting Concepts & Principles**: Business Entity, Accruals, Matching, Going Concern, and more
* **Types of Accounts**: Asset, Liability, Equity explained visually
* **The Accounting Equation**: Assets = Liabilities + Equity broken down with diagrams
* BONUS: Professionally designed cover for presentation or academic use
🎯 **Perfect for:**
* Students (Commerce, BBA, MBA, CA Foundation)
* Educators and Trainers
* UGC NET/Assistant Professor Aspirants
* Anyone building a strong foundation in accounting
👩🏫 **Designed & curated by:** CA Suvidha Chaplot
Freeze-Dried Fruit Powder Market Trends & Growth
Freeze-Dried Fruit Powder Market Trends & Growthchanderdeepseoexpert The freeze-dried fruit powder market is growing fast, driven by demand for natural, shelf-stable ingredients in food and beverages.
Cloud Stream Part II Mobile Hub V1 Hub Agency.pdf
Cloud Stream Part II Mobile Hub V1 Hub Agency.pdfBrij Consulting, LLC The Mobile Hub Part II provides an extensive overview of the integration of glass technologies, cloud systems, and remote building frameworks across industries such as construction, automotive, and urban development.
The document emphasizes innovation in glass technologies, remote building systems, and cloud-based designs, with a focus on sustainability, scalability, and long-term vision.
V1 The European Portal Hub, centered in Oviedo, Spain, is significant as it serves as the central point for 11 European cities' glass industries. It is described as the first of its kind, marking a major milestone in the development and integration of glass technologies across Europe. This hub is expected to streamline communication, foster innovation, and enhance collaboration among cities, making it a pivotal element in advancing glass construction and remote building projects. BAKO INDUSTRIES supported by Magi & Marcus Eng will debut its European counterpart by 2038. https://www.slideshare.net/slideshow/comments-on-cloud-stream-part-ii-mobile-hub-v1-hub-agency-pdf/278633244
LDMMIA Bday celebration 2025 Gifts information
LDMMIA Bday celebration 2025 Gifts informationLDM Mia eStudios Attn: Team Loyalz and Guest Students.
To give Virtual Gifts/Tips,
please visit the Temple Office at:
https://ldmchapels.weebly.com
Optional and Any amount is appreciated.
Thanks for Being apart of the team and student readers.
EquariusAI analytics for business water risk
EquariusAI analytics for business water riskPeter Adriaens Overview of LLM value proposition for counterparty water risk.
INTRODUCTION OF MANAGEMENT.pdf CA SUVIDHA CHAPLOT
INTRODUCTION OF MANAGEMENT.pdf CA SUVIDHA CHAPLOTCA Suvidha Chaplot
# 📋 Description:
Unlock the foundations of successful management with this beautifully organized and colorful presentation! 🌟
This SlideShare explains the key concepts of **Introduction to Management** in a very easy-to-understand and creative format.
✅ **What you’ll learn:**
- Definition and Importance of Management
- Core Functions: Planning, Organizing, Staffing, Leading, and Controlling
- Evolution of Management Thought: Classical, Behavioral, Contemporary Theories
- Managerial Roles: Interpersonal, Informational, Decisional
- Managerial Skills and Levels of Management: Top, Middle, Operational
Each concept is presented visually to make your learning faster, better, and long-lasting!
✨ Curated with love and dedication by **CA Suvidha Chaplot**.
✅ Perfect for students, professionals, teachers, and management enthusiasts!
#Leadership #Management #FunctionsOfManagement #OrganizationalSuccess #SlideShare #CASuvidhaChaplot #CreativeLearning
Comments on Cloud Stream Part II Mobile Hub V1 Hub Agency.pdf
Comments on Cloud Stream Part II Mobile Hub V1 Hub Agency.pdfBrij Consulting, LLC The Mobile Hub Part II provides an extensive overview of the integration of glass technologies, cloud systems, and remote building frameworks across industries such as construction, automotive, and urban development.
The document emphasizes innovation in glass technologies, remote building systems, and cloud-based designs, with a focus on sustainability, scalability, and long-term vision.
V1 The European Portal Hub, centered in Oviedo, Spain, is significant as it serves as the central point for 11 European cities' glass industries. It is described as the first of its kind, marking a major milestone in the development and integration of glass technologies across Europe. This hub is expected to streamline communication, foster innovation, and enhance collaboration among cities, making it a pivotal element in advancing glass construction and remote building projects. BAKO INDUSTRIES supported by Magi & Marcus Eng will debut its European counterpart by 2038.
Alec Lawler - A Passion For Building Brand Awareness
Alec Lawler - A Passion For Building Brand AwarenessAlec Lawler Alec Lawler is an accomplished show jumping athlete and entrepreneur with a passion for building brand awareness. He has competed at the highest level in show jumping throughout North America and Europe, winning numerous awards and accolades, including the National Grand Prix of the Desert in 2014. Alec founded Lawler Show Jumping LLC in 2019, where he creates strategic marketing plans to build brand awareness and competes at the highest international level in show jumping throughout North America.
The Rise of Payroll Outsourcing in the UK: Key Statistics for 2025
The Rise of Payroll Outsourcing in the UK: Key Statistics for 2025QX Accounting Services Ltd Explore the growing trend of payroll outsourcing in the UK with key 2025 statistics, market insights, and benefits for accounting firms. This infographic highlights why more firms are turning to outsourced payroll services for UK businesses to boost compliance, cut costs, and streamline operations. Discover how QXAS can help your firm stay ahead.
for more details visit:- https://qxaccounting.com/uk/service/payroll-outsourcing/
Mexico Office Furniture Market Share, Size, Growth & Trends (2025-2034)
Mexico Office Furniture Market Share, Size, Growth & Trends (2025-2034)janewatson684 The Mexico office furniture market size attained around USD 840.32 Million in 2024. The market is projected to grow at a CAGR of 3.60% between 2025 and 2034 and reach nearly USD 1196.86 Million by 2034.
Solaris Resources Presentation - Corporate April 2025.pdf
Solaris Resources Presentation - Corporate April 2025.pdfpchambers2 Solaris Resources Corporate Presentation
Alan Stalcup - The Enterprising CEO
Alan Stalcup - The Enterprising CEOAlan Stalcup Alan Stalcup is the visionary leader and CEO of GVA Real Estate Investments. In 2015, Alan spearheaded the transformation of GVA into a dynamic real estate powerhouse. With a relentless commitment to community and investor value, he has grown the company from a modest 312 units to an impressive portfolio of over 29,500 units across nine states. He graduated from Washington University in St. Louis and has honed his knowledge and know-how for over 20 years.
Influence of Career Development on Retention of Employees in Private Univers...
Influence of Career Development on Retention of Employees in Private Univers...publication11 Retention of employees in universities is paramount for producing quantity and quality of human capital for
economic development of a country. Turnover has persistently remained high in private universities despite
employee attrition by institutions, which can disrupt organizational stability, quality of education and reputation.
Objectives of the study included performance appraisal, staff training and promotion practices on retention of
employees. Correlational research design and quantitative research were adopted. Total population was 85 with a
sample of 70 which was selected through simple random sampling. Data collection was through questionnaire and
analysed using multiple linear regression with help of SPSS. Results showed that both performance appraisal
(t=1.813, P=.076, P>.05) and staff training practices (t=-1.887, P=.065, P>.05) were statistical insignificant while
promotion practices (t=3.804, P=.000, P<.05) was statistically significantly influenced retention of employees.
The study concluded that performance appraisal and staff training has little relationship with employee retention
whereas promotion practices affect employee retention in private universities. Therefore, it was recommended
that organizations renovate performance appraisal and staff training practices while promoting employees
annually, review salary structure, ensure there is no biasness and promotion practices should be based on meritocracy. The findings could benefit management of private universities, Government and researchers.
PREDICTION%20AND%20ANALYSIS%20OF%20ADMET%20PROPERTIES%20OF%20NEW%20MOLECULE%2...
PREDICTION%20AND%20ANALYSIS%20OF%20ADMET%20PROPERTIES%20OF%20NEW%20MOLECULE%2...AMITKUMARVERMA479091 Ok
PREDICTION%20AND%20ANALYSIS%20OF%20ADMET%20PROPERTIES%20OF%20NEW%20MOLECULE%2...
PREDICTION%20AND%20ANALYSIS%20OF%20ADMET%20PROPERTIES%20OF%20NEW%20MOLECULE%2...AMITKUMARVERMA479091
Clojure/West Overview (12/1/11)
- 1. Training - March 12-15, 2012 Conference - March 16-17, 2012 San Jose, CA
- 2. San Jose Marriott • Rooms - $119/night • Valet parking - $15/night • Wifi - free
- 3. Training Mon, 3/12 Tues, 3/13 Wed, 3/14 Thu, 3/15 Intro to Clojure - Stuart Sierra, Aaron Bedra Cascalog - Sam Ritchie Clojure Web - Chris Granger Clojure Web - Chris Granger Pallet - Hugo Duncan, Antoni Batchelli
- 4. Clojure Web Chris Granger - creator of Pinot, Noir, and Korma 2 day class - $1300 (includes breakfast, lunch, breaks) Day 1 Day 2 HTTP and Ring SQL data Routes NOSQL data Templating ClojureScript Cookies, validation Project time Deployment
- 5. Pallet - Infrastructure Automation Hugo Duncan, Antoni Batchelli - Pallet developers 2 day class - $1300 (includes breakfast, lunch, breaks) Topics Functional infrastructure Actions - run code on remote machines Crates - action abstraction Phases - configuration automation Servers, groups - deploy to the cloud Stevedore - Clojure scripting
- 6. Cascalog Sam Ritchie - Cascalog committer, Twitter engineer 3 day class - $2000 (includes breakfast, lunch, breaks) Day 1 Day 2 Day 3 Predicates Composition Debugging Queries Generators TDD, Midje MapReduce Optimization Big data Sorting and Query reuse Toolchain grouping Dynamic Taps queries
- 7. Intro to Clojure Clojure/Core - taught by members of Clojure/core TBD 3 day class - $2000 (includes breakfast, lunch, breaks) Topics Functional Java interop programming Multimethods Lisp syntax Macros Sequence library OO revisited Concurrency Clojure
- 8. Conference Fri, 3/16 Sat, 3/17 Breakfast (provided) Breakfast (provided) Morning keynote Morning keynote Sessions (3 rooms) Sessions (3 rooms) Sessions (3 rooms) Sessions (3 rooms) Lunch (provided) Lunch (on your own) Lightning talks Sessions (3 rooms) Sessions (3 rooms) Sessions (3 rooms) Break Break Sessions (3 rooms) Afternoon keynote Afternoon keynote Dinner (on your own) Evening BOFs or other event
- 9. Keynote Speakers • Stuart Halloway • Richard Gabriel (not yet confirmed) • TBD • TBD
- 10. Cost and Dates Type Start End Cost Early Dec 19, 2011 Jan 20, 2011 $450 Regular Jan 21, 2011 Feb 17, 2011 $550 Late Feb 18, 2011 Mar 15, 2011 $650 • CFP opens - Dec 5th, 2011 • CFP closes - Jan 6th, 2012 • Speaker notification - Jan 11th, 2012 • Training - March 12-15, 2012 • Conference - March 16-17, 2012
- 11. Hope to see you there! Info: http://clojurewest.org Twitter: @clojurewest Mailing list: Ideas or questions? [email protected]