This document provides an introduction to AJAX (Asynchronous JavaScript and XML) technologies. It defines AJAX as using JavaScript asynchronously behind the scenes to load additional data without reloading the entire web page. Benefits of AJAX include a rich user interface experience and efficient loading of dynamic data. The document outlines how to use the XMLHttpRequest object to make asynchronous requests for data from the server. Examples and demos of AJAX applications are also referenced.
Tempto is a product test framework that allows developers to write and execute tests for SQL databases running on Hadoop. Individual test requirements such as data generation, HDFS file copy/storage of generated data and schema creation are expressed declaratively and are automatically fulfilled by the framework. Developers can write tests using Java (using a TestNG like paradigm and AssertJ style assertion) or by providing query files with expected results. We will show how we use it for presto product tests.
Benchto is a benchmark framework that provides an easy and manageable way to define, run and analyze macro benchmarks in clustered environment. Understanding behavior of distributed systems is hard and requires good visibility intostate of the cluster and internals of tested system. This project was developed for repeatable benchmarking ofHadoop SQL engines, most importantly Presto.
Tempto is a product test framework that allows developers to write and execute tests for SQL databases running on Hadoop. Individual test requirements such as data generation, HDFS file copy/storage of generated data and schema creation are expressed declaratively and are automatically fulfilled by the framework. Developers can write tests using Java (using a TestNG like paradigm and AssertJ style assertion) or by providing query files with expected results. We will show how we use it for presto product tests.
Benchto is a benchmark framework that provides an easy and manageable way to define, run and analyze macro benchmarks in clustered environment. Understanding behavior of distributed systems is hard and requires good visibility intostate of the cluster and internals of tested system. This project was developed for repeatable benchmarking ofHadoop SQL engines, most importantly Presto.
This are the slides of my talk: "Building a SPA in 30 min" given at NoSQL Matters CGN 2014.
It is about the creation of a backend for a Single Page Web Application build in AngularJS. The Backend is build in Foxx on top of ArangoDB, a framework to create a RESTful backend with only a few lines of Code.
Recently, ArangoDB integrated its cluster management with Apache Mesos. This makes it now possible to launch an ArangoDB cluster on a Mesos cluster with a single, albeit complex shell command. In a DCOS-enabled Mesosphere cluster this is even easier, because one can use the dcos subcommand for ArangoDB, which essentially turns a Mesosphere cluster into a single, large computer.
In this talk I explain the whole setup and show (live on stage) how to deploy ArangoDB clusters on Amazon Web Services, and how we used this to scale ArangoDB up until it could sustain 1000000 document writes per second.
In this webinar, we will be covering general best practices for running MongoDB on AWS.
Topics will range from instance selection to storage selection and service distribution to ensure service availability. We will also look at any specific best practices related to using WiredTiger. We will then shift gears and explore recommended strategies for managing your MongoDB instance on AWS.
This session also includes a live Q&A portion during which you are encouraged to ask questions of our team.
INFORMATION TECHNOLOGIES AS THE BASE OF THE BUSINESS PROCESS MANAGEMENT IMPLE...Abzetdin Adamov
IT and BPM both are about an improvement of the quality of processes, and facilitating managerial issues. Will it be effective to couple IT with BPM? Is it obligatory to combine these two approaches in order to be successful in business process improvement? Are these two approaches interrelated? If yes, which one plays a supportive role? This article is going to provide answers to those important questions devoted to the role of the IT in BMP implementation.
NetCad is a software application consist of the Server and the Client modules developed (by Abzetdin Adamov) as one of implementation projects of doctorate thesis "Research and Development of Distributed Web-oriented Architecture of CAD Systems". NetCad is designed as distributed system working in accordance with GRID approach.
This are the slides of my talk: "Building a SPA in 30 min" given at NoSQL Matters CGN 2014.
It is about the creation of a backend for a Single Page Web Application build in AngularJS. The Backend is build in Foxx on top of ArangoDB, a framework to create a RESTful backend with only a few lines of Code.
Recently, ArangoDB integrated its cluster management with Apache Mesos. This makes it now possible to launch an ArangoDB cluster on a Mesos cluster with a single, albeit complex shell command. In a DCOS-enabled Mesosphere cluster this is even easier, because one can use the dcos subcommand for ArangoDB, which essentially turns a Mesosphere cluster into a single, large computer.
In this talk I explain the whole setup and show (live on stage) how to deploy ArangoDB clusters on Amazon Web Services, and how we used this to scale ArangoDB up until it could sustain 1000000 document writes per second.
In this webinar, we will be covering general best practices for running MongoDB on AWS.
Topics will range from instance selection to storage selection and service distribution to ensure service availability. We will also look at any specific best practices related to using WiredTiger. We will then shift gears and explore recommended strategies for managing your MongoDB instance on AWS.
This session also includes a live Q&A portion during which you are encouraged to ask questions of our team.
INFORMATION TECHNOLOGIES AS THE BASE OF THE BUSINESS PROCESS MANAGEMENT IMPLE...Abzetdin Adamov
IT and BPM both are about an improvement of the quality of processes, and facilitating managerial issues. Will it be effective to couple IT with BPM? Is it obligatory to combine these two approaches in order to be successful in business process improvement? Are these two approaches interrelated? If yes, which one plays a supportive role? This article is going to provide answers to those important questions devoted to the role of the IT in BMP implementation.
NetCad is a software application consist of the Server and the Client modules developed (by Abzetdin Adamov) as one of implementation projects of doctorate thesis "Research and Development of Distributed Web-oriented Architecture of CAD Systems". NetCad is designed as distributed system working in accordance with GRID approach.
Üniversite Bilgi Sistemi - Birimlerin İşbirliği PlatformuAbzetdin Adamov
Bugünkü bilgi çağında rekabet içersinde olan işletmler için doğru bilgiye zamanında ve kontrollü şekilde ulaşımını sağlamak artık zamanın taleplerine cevap verebilmesi ve hatta ayakta durabilmesi için vazgeçilmez şartdır. Diğer taraftan işletmeler içersinde yer alan birimler arasındaki bilgi akışlarının artmasıyla ve kompleksleşmesiyle beraber, bunların bir birini tamamlamaları ve mümkün olduğu kadar bağımsız olmaları da önemlidir. Buna sadece Bilgi Teknolojileri sağladıkları imkanlardan düzgün yararlanarak ulaşmak mümkündür. Üniversiteler de ticari kurumlar da olduğu gibi verimliliği arttırma konusunda yoğun çabalar içersinde bulunmaları gerekmektedir. Üniversitelerin, genellikle, gelirleri çok sınırlı olduğu için modern şirketleri örnek alarak rekabet ortamına ayak uydurmaları gerekmektedir. Bu açıdan Üniversitenin farklı birimleri ve görevlileri tarafından üretilen Üniversitrmizin Elektronik Bilgi Sistemi (EBS) çerçevesinde geliştirilmekte ola e-Üniversite projesi Üniversitemizin bugünü ve özellikle geleceği için oldukça önemlidir.
Qafqaz university-inegrated-management-information-systemAbzetdin Adamov
Project was started in 2002 as an application of research results and findings has became today a strategic value-added tool and framework for Qafqaz University's core functions and services. We at the Qafqaz University are using IUMIS since 2004. Due to IUMIS we are able to
handle large number of students, core operational activities like admission, registration, examination, billing, reporting, communication etc efficiently with great accuracy.
Big Data Ecosystem for Data-Driven Decision MakingAbzetdin Adamov
The extremely fast grow of Internet Services, Web and Mobile Applications and advance of the related Pervasive, Ubiquity and Cloud Computing concepts have stumulated production of tremendous amounts of data partially available online (call metadata, texts, emails, social media updates, photos, videos, location, etc.). Even with the power of today’s modern computers it still big challenge for business and government organizations to manage, search, analyze, and visualize this vast amount of data as information. Data-Intensive computing which is intended to address this problems become quite intense during the last few years yielding strong results. Data intensive computing framework is a complex system which includes hardware, software, communications, and Distributed File System (DFS) architecture.
Just small part of this huge amount is structured (Databases, XML, logs) or semistructured (web pages, email), over 90% of this information is unstructured, what means data does not have predefined structure and model. Generally, unstructured data is useless unless applying data mining and analysis techniques. At the same time, just in case if you can process and understand your data, this data worth anything, otherwise it becomes useless.
The Internet Services, Web and Mobile Applications, Pervasive Communication widely available today that are meeting many of our needs have stimulated production of tremendous amounts of data (call metadata, texts, emails, social media updates, photos, videos, location, etc.). The computing power available today in conjunction with trending technologies like Data Mining and Analytics, Machine Learning and Computational Linguistics provide an opportunity business and government organizations to manage, search, analyze, and visualize vast amount of data as information.
Companies named data brokers collect consumer data including behavioral and private and then sell to companies those use this data for personalized marketing and selling. There is no doubt that this is good for businesses, but is this same good for consumers? Is this just positively affects buying experience of customers? How much does reliable this kind data event for companies? How to keep a balance between new opportunities derived by Big Data to companies and privacy concern it brings to consumers?
In proposed speech we will try to find out some of the answers to these and other questions.
Over the past few years, there has been increasing attention on how Information Technology (IT) supports good governance in Higher Education Institutions (HEI). It's obvious that communications and information technology provide ever-growing opportunities to improve institutional effectiveness and efficiency. The use of technology is driving significant changes in the way educational institutions meet their goals and objectives. With the rapid pace of technological change and amplified competition, good governance of HEI with the help of University Management Information System (UMIS) presents significant challenges.
As it is well known from IT history, innovative technologies can start out as a relatively small issue and suddenly become vitally important, requiring immediate solutions. In the same way, small IT initiative within Qafqaz University which had limited purposes at the beginning has become the main pillar with a strong strategic value and a great asset to possibly achieve institutional strategic goals.
ASIT is best training institute for "AJAX" Course,having the leading providers of Career Based training programs along with professional certifications. We associate with industry experts to deliver the training requirements of Job seeks and working professionals.for more details please visit our website.
Ajax stands for Asynchronous JavaScript and Xml. Ajax is not a single technology, but a group of technologies. HTML and CSS can be used in combination to mark up and style information. The DOM is accessed with JavaScript to dynamically display, and allow the user to interact with, the information presented. JavaScript and the XMLHttpRequest object provide a method for exchanging data asynchronously between browser and server to avoid full page reloads.
Bally Chohan IT Solution is an UK based IT Agency that provides IT services such as Web Development, Web Designing, E-commerce development etc.
AWS as platform for scalable applicationsRoman Gomolko
Introduction to Amazon Web Services that allow to concentrate on your application rather then concentrating on infrastructure needed to run. Following services are briefly exposed Beanstalk, RDS, DynamoDB, DynamoDB streams, Kinesis, SQS, Lambda, S3, CloudFront.
1. Internet Technologies
Introduction to AJAX
Dr. Abzetdin ADAMOV
Chair of Computer Engineering Department
aadamov@qu.edu.az
http://ce.qu.edu.az/~aadamov
2. What is Ajax?
• "Asynchronous JavaScript and XML"
• New name for an old technique:
– JavaScript + DHTML + XMLHttpRequest
– In use since at least 1997
– Finally someone gave it a name
– Already enabled in your Web server and browser
• Use JavaScript asynchronously behind the scenes to
load additional data (typically XML) without
discarding and reloading the entire Web page.
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3. Why use Ajax?
• Your users will soon demand it
– Not just another cool (geeky) technology
– Very user-visible effect
– Rich UI experience in a Web page
• Portable across browsers
• Plus, all advantages of zero-install Web app
– No install done for this demo
– No "DLL Hell"
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4. Why use Ajax?
• Client/Server Apps:
– Dynamic data
– Static forms, controls, code, etc.
– Efficient, but not flexible
• Traditional Web Apps:
– Dynamic data
– Dynamic forms, controls, code, etc.
– Flexible, but inefficient, and noticeably slow
• Ajax Apps:
– Dynamic data
– Static or dynamic forms, controls, code, etc.
– Best of both worlds
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5. Why use Ajax?
• Geeky reasons:
– Multithreaded data retrieval from Web servers
• Pre-fetch data before needed
• Progress indicators
• Appearance of speed
• Avoids need for setTimeout()
– Less bandwidth required; less server load
• Reload partial page, not entire page
• Load data only, not even partial page
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6. How much to use Ajax?
• As little or as much as you like
• No need to abandon what you already do
• One more item in your "bag of tricks"
• Start by jazzing up your existing UI
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7. How to use Ajax?
Simple!
Use the
XMLHttpRequest
Object
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8. XMLHttpRequest Methods
• open (“method”, “URL”, [async, username, password])
– Assigns destination URL, method, etc.
• send (params)
– Sends request including postable string or DOM object data
• abort ()
– Terminates current request
• getAllResponseHeaders ()
– Returns headers (name/value pairs) as a string
• getResponseHeader (“header”)
– Returns value of a given header
• setRequestHeader (“label”,”value”)
– Sets Request Headers before sending
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9. XMLHttpRequest Properties
• onreadystatechange
– Event handler (your code) that fires at each state change
• readyState
0 = uninitialized 3 = interactive (some data has been returned)
1 = loading (broken in IE 6.0)
2 = loaded 4 = complete
• status
– HTTP Status returned from server: 200-299 = OK
• responseText
– String version of data returned from server
• responseXML
– XML DOM document of data returned
• statusText
– Status text returned from server
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10. Simple Example
var req = new XMLHttpRequest();
req.onreadystatechange = myHandler;
req.open("GET", "servlet", true);
req.send("p1=abc");
...
function myHandler() {
if (req.readyState == 4) {
doSomethingWith(req.responseXML);
}
else if (req.readyState == 3) {
showProgressIndicator();
}
}
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11. Demos
• http://studlinux.qafqaz.local/~s08_aaz/ajax
– Simple demo
– More demos
– Google Suggest
– Google Maps
– Language translation
– Mouse gesture as password
– Typing speed as password
– Classified ads tied to map
– "Mashups"
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12. Security Issues
• Can only hit domain the Web page came from
– Cannot access a 3rd party Web Service
– However:
• You can wrap those requests through your own server
• User can allow access to specific sites via browser security settings
• IFRAME can access any site (instead of XMLHttpRequest)
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13. Advanced Topics
– XSLT and XPath support (Sarissa)
– Serializing Java Beans as XML
• XMLBeans, JAXB, Zeus, Jbind, Castor, Betwixt
– Serializing Java Beans as JavaScript objects
• JSON -- JavaScript Object Notation
– 2-way Mapping of Java Beans to JavaScript objects
• DWR -- Direct Web Remoting
– Ajax Component Libraries and Toolkits:
• Dojo, Prototype, HTC, XBL
• Implemented as JSP tag libraries or pure JavaScript
– Ajax Frameworks
– Ajax Patterns
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