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JETIR Research Journal
© 2018 JETIR October 2018, Volume 5, Issue 10 www.jetir.org (ISSN-2349-5162) QUALITATIVE COMPARISON OF KEY-VALUE BIG DATA DATABASES 1Ahmad Zia Atal, 2Anita Ganpati 1M.Tech Student, 2Professor, 1Department of computer Science, 1Himachal Pradesh University, Shimla, India Abstract: Companies are progressively looking to big data to convey valuable business insights that cannot be taken care by the traditional Relational Database Management System (RDBMS). As a result, a variety of big data databases options have developed. From past 30 years traditional Relational Database Management System (RDBMS) were being used in companies but now they are replaced by the big data. All big bata technologies are intended to conquer the limitations of RDBMS by enabling organizations to extract value from their data. In this paper, three key-value databases are discussed and compared on the basis of some general databases features and system performance features. Keywords: Big data, NoSQL, RDBMS, Riak, Redis, Hibari. I. INTRODUCTION Systems that are designed to store big data are often called NoSQL databases since they do not necessarily depend on the SQL query language used by RDBMS. NoSQL today is the term used to address the class of databases that do not follow Relational Database Management System (RDBMS) principles and are specifically designed to handle the speed and scale of the likes of Google, Facebook, Yahoo, Twitter and many more [1]. Many types of NoSQL database are designed for different use cases. The major categories of NoSQL databases consist of Key-Values store, Column family stores, Document databaseand graph database. Each of these technologies has their own benefits individually but generally Big data use cases are benefited by these technologies. -
JSON Hijacking for the Modern Web About Me
JSON hijacking For the modern web About me • I’m a researcher at PortSwigger • I love hacking JavaScript let:let{let:[x=1]}=[alert(1)] • I love breaking browsers • @garethheyes History of JSON hijacking • Array constructor attack function Array(){ for(var i=0;i<this.length;i++) { alert(this[i]); } } [1,2,3] • Found by Joe Walker in 2007 • Worked against Gmail in 2007 by Jeremiah Grossman • Fixed in every browser History of JSON hijacking • Object.prototype setter attack Object.prototype.__defineSetter__('user', function(obj){ for(var i in obj) { alert(i + '=' + obj[i]); } }); [{user:{name:"test"}}] • Worked against Twitter • Fixed in every browser Journey of bug discovery James:Can you create a polyglot js/jpeg? Me:Yeah, that sounds like fun. “Polyglot is something that executes in more than one language or format” Anatomy of a jpeg FF D8 FF E0 Anatomy of a jpeg • Start of image marker: FF D8 • Application header: FF E0 00 00 Two bytes we control Anatomy of a jpeg • Guess which two bytes I chose? Rest of app header Valid JS variable • 2F 2A JS comment • /* • FF D8 FF E0 2F 2A 4A 46 49 46 00 01 01 01 00 48 00 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00… Padding of nulls for 0x2f2a Anatomy of a jpeg • Inject our payload inside a jpeg comment • FF FE 00 1C • */=alert("Burp rocks.")/* Anatomy of a jpeg • At the end of the image we need to modify the image data • Close our comment • Inject a single line comment after • */// • 2A 2F 2F 2F FF D9 Anatomy of a jpeg • That should work right? <script src="polyglot/uploads/xss.jpg"></script> -
Introduction to JSON (Javascript Object Notation)
IInnttrroodduuccttiioonn ttoo JJSSOONN ((JJaavvaaSSccrriipptt OObbjjeecctt NNoottaattiioonn)) SSaanngg SShhiinn JJaavvaa TTeecchhnonollogogyy AArrcchhiitteecctt SSunun MMiiccrrososyysstteemmss,, IIncnc.. ssaanngg..sshhiinn@@ssunun..ccoomm wwwwww..jjaavvaapapassssiioon.n.ccoomm Disclaimer & Acknowledgments ● Even though Sang Shin is a full-time employee of Sun Microsystems, the contents here are created as his own personal endeavor and thus does not reflect any official stance of Sun Microsystems 2 Topics • What is JSON? • JSON Data Structure > JSON Object > JSON text • JSON and Java Technology • How to send and receive JSON data at both client and server sides • JSON-RPC • Resources 3 WWhhaatt iiss && WWhhyy JJSSOONN?? What is JSON? • Lightweight data-interchange format > Compared to XML • Simple format > Easy for humans to read and write > Easy for machines to parse and generate • JSON is a text format > Programming language independent > Uses conventions that are familiar to programmers of the C- family of languages, including C, C++, C#, Java, JavaScript, Perl, Python 5 Why Use JSON over XML • Lighter and faster than XML as on-the-wire data format • JSON objects are typed while XML data is typeless > JSON types: string, number, array, boolean, > XML data are all string • Native data form for JavaScript code > Data is readily accessible as JSON objects in your JavaScript code vs. XML data needed to be parsed and assigned to variables through tedious DOM APIs > Retrieving values is as easy as reading from an object property in your JavaScript -
Ercatons and Organic Programming: Say Good-Bye to Planned Economy
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Dagstuhl Research Online Publication Server Ercatons and Organic Programming: Say Good-Bye to Planned Economy Oliver Imbusch, Falk Langhammer and Guido von Walter Living Pages Research GmbH Kolosseumstrasse 1a, 80469 Munich, Germany {flabes|falk|guido}@livis.com ABSTRACT 1. Motivation Organic programming (OP) is our proposed and already We are going to present an alternative way to develop soft- emerging programming model which overcomes some of ware. We followed this idea starting from some general the limitations of current practice in software development observations all the way down to a reference implementa- in general and of object-oriented programming (OOP) in tion which was then used in projects of sufficient size. This particular. Ercatons provide an implementation of the makes us trust into the initial idea to the point that we may model. In some respects, OP is less than a (new) program- now be obsessed by it. Let us start by sharing some of the ming language, in others, it is more. An “ercato machine” general observations. implements the ideas discussed and has been used to vali- We start with this trivial anecdote. date the concepts described here. “One morning, we noticed some workers tile our office's Organic programming is centered around the concept of a backyard. The day before, piles of square tiles had been true “Thing”. A thing in an executing software system is delivered and the workers now seemed to make good prog- bound to behave the way an autonomous object does in our ress covering the backyard's middle section. -
OCF Core Optional 2.1.0
OCF Core - Optional Specification VERSION 2.1.0 | November 2019 CONTACT [email protected] Copyright Open Connectivity Foundation, Inc. © 2019 All Rights Reserved. 2 Legal Disclaimer 3 4 NOTHING CONTAINED IN THIS DOCUMENT SHALL BE DEEMED AS GRANTING YOU ANY KIND 5 OF LICENSE IN ITS CONTENT, EITHER EXPRESSLY OR IMPLIEDLY, OR TO ANY 6 INTELLECTUAL PROPERTY OWNED OR CONTROLLED BY ANY OF THE AUTHORS OR 7 DEVELOPERS OF THIS DOCUMENT. THE INFORMATION CONTAINED HEREIN IS PROVIDED 8 ON AN "AS IS" BASIS, AND TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, 9 THE AUTHORS AND DEVELOPERS OF THIS SPECIFICATION HEREBY DISCLAIM ALL OTHER 10 WARRANTIES AND CONDITIONS, EITHER EXPRESS OR IMPLIED, STATUTORY OR AT 11 COMMON LAW, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF 12 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. OPEN CONNECTIVITY 13 FOUNDATION, INC. FURTHER DISCLAIMS ANY AND ALL WARRANTIES OF NON- 14 INFRINGEMENT, ACCURACY OR LACK OF VIRUSES. 15 The OCF logo is a trademark of Open Connectivity Foundation, Inc. in the United States or other 16 countries. *Other names and brands may be claimed as the property of others. 17 Copyright © 2016-2019 Open Connectivity Foundation, Inc. All rights reserved. 18 Copying or other form of reproduction and/or distribution of these works are strictly prohibited. 19 Copyright Open Connectivity Foundation, Inc. © 2016-2019. All rights Reserved 20 CONTENTS 21 1 Scope ............................................................................................................................. -
Coffeescript Accelerated Javascript Development, Second Edition
Extracted from: CoffeeScript Accelerated JavaScript Development, Second Edition This PDF file contains pages extracted from CoffeeScript, published by the Prag- matic Bookshelf. For more information or to purchase a paperback or PDF copy, please visit http://www.pragprog.com. Note: This extract contains some colored text (particularly in code listing). This is available only in online versions of the books. The printed versions are black and white. Pagination might vary between the online and printed versions; the content is otherwise identical. Copyright © 2015 The Pragmatic Programmers, LLC. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior consent of the publisher. The Pragmatic Bookshelf Dallas, Texas • Raleigh, North Carolina CoffeeScript Accelerated JavaScript Development, Second Edition Trevor Burnham The Pragmatic Bookshelf Dallas, Texas • Raleigh, North Carolina Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and The Pragmatic Programmers, LLC was aware of a trademark claim, the designations have been printed in initial capital letters or in all capitals. The Pragmatic Starter Kit, The Pragmatic Programmer, Pragmatic Programming, Pragmatic Bookshelf, PragProg and the linking g device are trade- marks of The Pragmatic Programmers, LLC. Every precaution was taken in the preparation of this book. However, the publisher assumes no responsibility for errors or omissions, or for damages that may result from the use of information (including program listings) contained herein. Our Pragmatic courses, workshops, and other products can help you and your team create better software and have more fun. -
Open Source Used in Quantum SON Suite 18C
Open Source Used In Cisco SON Suite R18C Cisco Systems, Inc. www.cisco.com Cisco has more than 200 offices worldwide. Addresses, phone numbers, and fax numbers are listed on the Cisco website at www.cisco.com/go/offices. Text Part Number: 78EE117C99-185964180 Open Source Used In Cisco SON Suite R18C 1 This document contains licenses and notices for open source software used in this product. With respect to the free/open source software listed in this document, if you have any questions or wish to receive a copy of any source code to which you may be entitled under the applicable free/open source license(s) (such as the GNU Lesser/General Public License), please contact us at [email protected]. In your requests please include the following reference number 78EE117C99-185964180 Contents 1.1 argparse 1.2.1 1.1.1 Available under license 1.2 blinker 1.3 1.2.1 Available under license 1.3 Boost 1.35.0 1.3.1 Available under license 1.4 Bunch 1.0.1 1.4.1 Available under license 1.5 colorama 0.2.4 1.5.1 Available under license 1.6 colorlog 0.6.0 1.6.1 Available under license 1.7 coverage 3.5.1 1.7.1 Available under license 1.8 cssmin 0.1.4 1.8.1 Available under license 1.9 cyrus-sasl 2.1.26 1.9.1 Available under license 1.10 cyrus-sasl/apsl subpart 2.1.26 1.10.1 Available under license 1.11 cyrus-sasl/cmu subpart 2.1.26 1.11.1 Notifications 1.11.2 Available under license 1.12 cyrus-sasl/eric young subpart 2.1.26 1.12.1 Notifications 1.12.2 Available under license Open Source Used In Cisco SON Suite R18C 2 1.13 distribute 0.6.34 -
Understanding JSON Schema Release 2020-12
Understanding JSON Schema Release 2020-12 Michael Droettboom, et al Space Telescope Science Institute Sep 14, 2021 Contents 1 Conventions used in this book3 1.1 Language-specific notes.........................................3 1.2 Draft-specific notes............................................4 1.3 Examples.................................................4 2 What is a schema? 7 3 The basics 11 3.1 Hello, World!............................................... 11 3.2 The type keyword............................................ 12 3.3 Declaring a JSON Schema........................................ 13 3.4 Declaring a unique identifier....................................... 13 4 JSON Schema Reference 15 4.1 Type-specific keywords......................................... 15 4.2 string................................................... 17 4.2.1 Length.............................................. 19 4.2.2 Regular Expressions...................................... 19 4.2.3 Format.............................................. 20 4.3 Regular Expressions........................................... 22 4.3.1 Example............................................. 23 4.4 Numeric types.............................................. 23 4.4.1 integer.............................................. 24 4.4.2 number............................................. 25 4.4.3 Multiples............................................ 26 4.4.4 Range.............................................. 26 4.5 object................................................... 29 4.5.1 Properties........................................... -
Implementation of the BOLARE Programming Language
Implementation of the BOLARE Programming Language Viktor Pavlu ([email protected]) Institute of Computer Languages, Vienna University of Technology, Argentinierstrasse 8/E185, 1040 "ien, Austria ABSTRACT REBOL is a very flexible, dynamic, reflective programming language that clearly differs from the dynamic languages currently in popular use! The idea behind REBOL is that different problems should be attacked with different languages that have varying levels of granularity, each specifi- cally tailored to its problem domain. These domain-specific languages should give the program- mer the power to #rite programs that are closer to the problem and more expressive, thus shorter and easier to read, maintain and extend than would be possible in today’s dynamic programming languages. Despite its promising features, REBOL has not gained wide acceptance. Above all, this is due to the following: )*+ The language is merely defined by means o its only implementation, ),+ this implementation is closed-source and has many flaws, and )-+ the flaws are here to stay! .e therefore started project BOLARE. Aim o this project is to build an interpreter for a lan- guage that very closely resembles REBOL but leaves out all unintentional behavior that only stems from artifacts of the original implementation. After an introduction to REBOL/BOLARE in general, the three areas currently being #orked on are presented: Parser Generator: REBOL has a large set o built-in datatypes that have their own literal form making it easy to embed dates, times, email-addresses, tag structures, coordinates, binary data, etc. in scripts. The BOLARE parser is dynamically generated from a declarative de- scription of literal forms. -
Convert Json Into Html Table
Convert Json Into Html Table Unsatisfying and insufficient Ephrayim run-throughs her wavemeters outbalanced or uncoils brassily. Smoke-dried Waring Tedstill serialises: criticizes her derogate throttle and precinct sea-level alkalising Percival and frog seaplane quite mighty desolately. but inures her complacency vividly. Ralline and usufruct Now should return the question is that makes it as a little bit more readable html table into an array into the table header, with intent to In out output html file because i our trying to convert their huge json data. Json-to-HTML-Table 101 NuGet Gallery. Use this tool for convert JSON into an HTML Table And thanks to the MySQL JSONTABLE function we operate always transform the JSON objects into unique virtual. Ankitaps You survive try using Dataweave to convert JSON to XML and probably use XSLT to convert XML to HTML Or simply you read try using. ResponseText convert soap response object a json object appendjsondata pass the. Productivity picks for contributing an html table into the query because checkboxes allow multiple values? My knowledge approach you I built it 4-5 years ago so to embed JSON data augment the HTML page and sludge use JavaScript to crumple that JSON data. When there was this follow users and we only work fast, indentation and beautify and read data into an html generation part goes inside html table into json html tables from an online? Convert JSON to HTML Tool Slick. DOCTYPE html 2 3 4 Convert JSON Data to HTML Table 5 6 th td p input 7 font14px Verdana. -
Obstacles to Compilation of Rebol Programs
Obstacles to Compilation of Rebol Programs Viktor Pavlu TU Wien Institute of Computer Aided Automation, Computer Vision Lab A-1040 Vienna, Favoritenstr. 9/183-2, Austria [email protected] Abstract. Rebol’s syntax has no explicit delimiters around function arguments; all values in Rebol are first-class; Rebol uses fexprs as means of dynamic syntactic abstraction; Rebol thus combines the advantages of syntactic abstraction and a common language concept for both meta-program and object-program. All of the above are convenient attributes from a programmer’s point of view, yet at the same time pose severe challenges when striving to compile Rebol into reasonable code. An approach to compiling Rebol code that is still in its infancy is sketched, expected outcomes are presented. Keywords: first-class macros, dynamic syntactic abstraction, $vau calculus, fexpr, Ker- nel, Rebol 1 Introduction A meta-program is a program that can analyze (read), transform (read/write), or generate (write) another program, called the object-program. Static techniques for syntactic abstraction (macro systems, preprocessors) resolve all abstraction during compilation, so the expansion of abstractions incurs no cost at run-time. Static techniques are, however, conceptionally burdensome as they lead to staged systems with phases that are isolated from each other. In systems where different syntax is used for the phases (e. g., C++), it results in a multitude of programming languages following different sets of rules. In systems where the same syntax is shared between phases (e. g., Lisp), the separa- tion is even more unnatural: two syntactically largely identical-looking pieces of code cannot interact with each other as they are assigned to different execution stages. -
Introducing Myself…
IntroducingIntroducing myselfmyself …… Nenad aka "DocKimbel" Rakocevic, Programming for 25 years: C/C++, *Basic, ASM, REBOL, web client -side languages, … Founder of a software company in Paris: Softinnov Author of several libraries for REBOL: MySQL, PostgresQL, LDAP native drivers UniServe: asynchronous, event -driven network engine Cheyenne Web Server: full -featured web application server CureCode: very fast web -based bug tracker (Mantis -like) Various others tools, game, demos … Was a happy Amiga user and registered BeOS developer WhyWhy amam II usingusing REBOLREBOL forfor 1111 years?years? Great scripting language Great prototyping tool Simple cross -platform graphic engine (View) Symbolic & Meta -programming Code / Data duality DSL -oriented Great designer behind: Carl Sassenrath WhyWhy II don'tdon't wantwant toto useuse REBOLREBOL anymore?anymore? Closed source Slow ( benchmark ) No multithreading support Mostly glue language, not general -purpose enough Not (easily) embeddable in third -party apps Can't run on popular VM (JVM, CLR) Sometimes designed for " Bob the artist ", rather than "John the programmer " WhatWhat isis thethe statestate ofof REBOLREBOL world?world? (1/2)(1/2) How REBOL began 14 years ago … WhatWhat isis thethe statestate ofof REBOLREBOL world?world? (2/2)(2/2) …and where it is today WhatWhat toto dodo then?then? Give up and pick up another language? Build an alternative? I chose the 2 nd option! MyMy answeranswer is:is: RReded !! Red[uced] REBOL dialect Fully open source (MIT/BSD) Statically compiled