Introducing ASP.NET Web Pages 2 Mike Pope
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Ironpython in Action
IronPytho IN ACTION Michael J. Foord Christian Muirhead FOREWORD BY JIM HUGUNIN MANNING IronPython in Action Download at Boykma.Com Licensed to Deborah Christiansen <[email protected]> Download at Boykma.Com Licensed to Deborah Christiansen <[email protected]> IronPython in Action MICHAEL J. FOORD CHRISTIAN MUIRHEAD MANNING Greenwich (74° w. long.) Download at Boykma.Com Licensed to Deborah Christiansen <[email protected]> For online information and ordering of this and other Manning books, please visit www.manning.com. The publisher offers discounts on this book when ordered in quantity. For more information, please contact Special Sales Department Manning Publications Co. Sound View Court 3B fax: (609) 877-8256 Greenwich, CT 06830 email: [email protected] ©2009 by Manning Publications Co. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by means electronic, mechanical, photocopying, or otherwise, without prior written permission of the publisher. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in the book, and Manning Publications was aware of a trademark claim, the designations have been printed in initial caps or all caps. Recognizing the importance of preserving what has been written, it is Manning’s policy to have the books we publish printed on acid-free paper, and we exert our best efforts to that end. Recognizing also our responsibility to conserve the resources of our planet, Manning books are printed on paper that is at least 15% recycled and processed without the use of elemental chlorine. -
Thriving in a Crowded and Changing World: C++ 2006–2020
Thriving in a Crowded and Changing World: C++ 2006–2020 BJARNE STROUSTRUP, Morgan Stanley and Columbia University, USA Shepherd: Yannis Smaragdakis, University of Athens, Greece By 2006, C++ had been in widespread industrial use for 20 years. It contained parts that had survived unchanged since introduced into C in the early 1970s as well as features that were novel in the early 2000s. From 2006 to 2020, the C++ developer community grew from about 3 million to about 4.5 million. It was a period where new programming models emerged, hardware architectures evolved, new application domains gained massive importance, and quite a few well-financed and professionally marketed languages fought for dominance. How did C++ ś an older language without serious commercial backing ś manage to thrive in the face of all that? This paper focuses on the major changes to the ISO C++ standard for the 2011, 2014, 2017, and 2020 revisions. The standard library is about 3/4 of the C++20 standard, but this paper’s primary focus is on language features and the programming techniques they support. The paper contains long lists of features documenting the growth of C++. Significant technical points are discussed and illustrated with short code fragments. In addition, it presents some failed proposals and the discussions that led to their failure. It offers a perspective on the bewildering flow of facts and features across the years. The emphasis is on the ideas, people, and processes that shaped the language. Themes include efforts to preserve the essence of C++ through evolutionary changes, to simplify itsuse,to improve support for generic programming, to better support compile-time programming, to extend support for concurrency and parallel programming, and to maintain stable support for decades’ old code. -
Cornell CS6480 Lecture 3 Dafny Robbert Van Renesse Review All States
Cornell CS6480 Lecture 3 Dafny Robbert van Renesse Review All states Reachable Ini2al states states Target states Review • Behavior: infinite sequence of states • Specificaon: characterizes all possible/desired behaviors • Consists of conjunc2on of • State predicate for the inial states • Acon predicate characterizing steps • Fairness formula for liveness • TLA+ formulas are temporal formulas invariant to stuering • Allows TLA+ specs to be part of an overall system Introduction to Dafny What’s Dafny? • An imperave programming language • A (mostly funconal) specificaon language • A compiler • A verifier Dafny programs rule out • Run2me errors: • Divide by zero • Array index out of bounds • Null reference • Infinite loops or recursion • Implementa2ons that do not sa2sfy the specifica2ons • But it’s up to you to get the laFer correct Example 1a: Abs() method Abs(x: int) returns (x': int) ensures x' >= 0 { x' := if x < 0 then -x else x; } method Main() { var x := Abs(-3); assert x >= 0; print x, "\n"; } Example 1b: Abs() method Abs(x: int) returns (x': int) ensures x' >= 0 { x' := 10; } method Main() { var x := Abs(-3); assert x >= 0; print x, "\n"; } Example 1c: Abs() method Abs(x: int) returns (x': int) ensures x' >= 0 ensures if x < 0 then x' == -x else x' == x { x' := 10; } method Main() { var x := Abs(-3); print x, "\n"; } Example 1d: Abs() method Abs(x: int) returns (x': int) ensures x' >= 0 ensures if x < 0 then x' == -x else x' == x { if x < 0 { x' := -x; } else { x' := x; } } Example 1e: Abs() method Abs(x: int) returns (x': int) ensures -
Neufuzz: Efficient Fuzzing with Deep Neural Network
Received January 15, 2019, accepted February 6, 2019, date of current version April 2, 2019. Digital Object Identifier 10.1109/ACCESS.2019.2903291 NeuFuzz: Efficient Fuzzing With Deep Neural Network YUNCHAO WANG , ZEHUI WU, QIANG WEI, AND QINGXIAN WANG China National Digital Switching System Engineering and Technological Research Center, Zhengzhou 450000, China Corresponding author: Qiang Wei ([email protected]) This work was supported by National Key R&D Program of China under Grant 2017YFB0802901. ABSTRACT Coverage-guided graybox fuzzing is one of the most popular and effective techniques for discovering vulnerabilities due to its nature of high speed and scalability. However, the existing techniques generally focus on code coverage but not on vulnerable code. These techniques aim to cover as many paths as possible rather than to explore paths that are more likely to be vulnerable. When selecting the seeds to test, the existing fuzzers usually treat all seed inputs equally, ignoring the fact that paths exercised by different seed inputs are not equally vulnerable. This results in wasting time testing uninteresting paths rather than vulnerable paths, thus reducing the efficiency of vulnerability detection. In this paper, we present a solution, NeuFuzz, using the deep neural network to guide intelligent seed selection during graybox fuzzing to alleviate the aforementioned limitation. In particular, the deep neural network is used to learn the hidden vulnerability pattern from a large number of vulnerable and clean program paths to train a prediction model to classify whether paths are vulnerable. The fuzzer then prioritizes seed inputs that are capable of covering the likely to be vulnerable paths and assigns more mutation energy (i.e., the number of inputs to be generated) to these seeds. -
Intel® Software Guard Extensions: Data Center Attestation Primitives
Intel® Software Guard Extensions Data Center Attestation Primitives Installation Guide For Windows* OS Revision <1.0> <3/10/2020> Table of Contents Introduction .......................................................................................................................... 3 Components – Detailed Description ....................................................................................... 4 Platform Configuration .......................................................................................................... 6 Windows* Server OS Support ................................................................................................. 7 Installation Instructions ......................................................................................................... 8 Windows* Server 2016 LTSC ................................................................................................................. 8 Downloading the Software ........................................................................................................................... 8 Installation .................................................................................................................................................... 8 Windows* Server 2019 Installation ....................................................................................................... 9 Downloading the Software ........................................................................................................................... 9 Installation -
Fine-Grained Energy Profiling for Power-Aware Application Design
Fine-Grained Energy Profiling for Power-Aware Application Design Aman Kansal Feng Zhao Microsoft Research Microsoft Research One Microsoft Way, Redmond, WA One Microsoft Way, Redmond, WA [email protected] [email protected] ABSTRACT changing from double precision to single), or quality of service pro- Significant opportunities for power optimization exist at applica- vided [10]. Third, energy usage at the application layer may be tion design stage and are not yet fully exploited by system and ap- made dynamic [8]. For instance, an application hosted in a data plication designers. We describe the challenges developers face in center may decide to turn off certain low utility features if the en- optimizing software for energy efficiency by exploiting application- ergy budget is being exceeded, and an application on a mobile de- level knowledge. To address these challenges, we propose the de- vice may reduce its display quality [11] when battery is low. This velopment of automated tools that profile the energy usage of vari- is different from system layer techniques that may have to throttle ous resource components used by an application and guide the de- the throughput resulting in users being denied service. sign choices accordingly. We use a preliminary version of a tool While many application specific energy optimizations have been we have developed to demonstrate how automated energy profiling researched, there is a lack of generic tools that a developer may use helps a developer choose between alternative designs in the energy- at design time. Application specific optimizations require signif- performance trade-off space. icant development effort and are often only applicable to specific scenarios. -
Adding Self-Healing Capabilities to the Common Language Runtime
Adding Self-healing capabilities to the Common Language Runtime Rean Griffith Gail Kaiser Columbia University Columbia University [email protected] [email protected] Abstract systems can leverage to maintain high system availability is to perform repairs in a degraded mode of operation[23, 10]. Self-healing systems require that repair mechanisms are Conceptually, a self-managing system is composed of available to resolve problems that arise while the system ex- four (4) key capabilities [12]; Monitoring to collect data ecutes. Managed execution environments such as the Com- about its execution and operating environment, performing mon Language Runtime (CLR) and Java Virtual Machine Analysis over the data collected from monitoring, Planning (JVM) provide a number of application services (applica- an appropriate course of action and Executing the plan. tion isolation, security sandboxing, garbage collection and Each of the four functions participating in the Monitor- structured exception handling) which are geared primar- Analyze-Plan-Execute (MAPE) loop consumes and pro- ily at making managed applications more robust. How- duces knowledgewhich is integral to the correct functioning ever, none of these services directly enables applications of the system. Over its execution lifetime the system builds to perform repairs or consistency checks of their compo- and refines a knowledge-base of its behavior and environ- nents. From a design and implementation standpoint, the ment. Information in the knowledge-base could include preferred way to enable repair in a self-healing system is patterns of resource utilization and a “scorecard” tracking to use an externalized repair/adaptation architecture rather the success of applying specific repair actions to detected or than hardwiring adaptation logic inside the system where it predicted problems. -
Cascading Style Sheet Web Tool
CASCADING STYLE SHEET WEB TOOL _______________ A Thesis Presented to the Faculty of San Diego State University _______________ In Partial Fulfillment of the Requirements for the Degree Master of Science in Computer Science _______________ by Kalthoum Y. Adam Summer 2011 iii Copyright © 2011 by Kalthoum Y. Adam All Rights Reserved iv DEDICATION I dedicate this work to my parents who taught me not to give up on fulfilling my dreams. To my faithful husband for his continued support and motivation. To my sons who were my great inspiration. To all my family and friends for being there for me when I needed them most. v ABSTRACT OF THE THESIS Cascading Style Sheet Web Tool by Kalthoum Y. Adam Master of Science in Computer Science San Diego State University, 2011 Cascading Style Sheet (CSS) is a style language that separates the style of a web document from its content. It is used to customize the layout and control the appearance of web pages written by markup languages. CSS saves time while developing the web page by applying the same layout and style to all pages in the website. Furthermore, it makes the website easy to maintain by just editing one file. In this thesis, we developed a CSS web tool that is intended to web developers who will hand-code their HTML and CSS to have a complete control over the web page layout and style. The tool is a form wizard that helps developers through a user-friendly interface to create a website template with a valid CSS and XHTML code. -
Formalizing Markup Languages for User Interface
LU´IS GONZAGA MARTINS FERREIRA FORMALIZING MARKUP LANGUAGES FOR USER INTERFACE Dissertac¸ao˜ para Mestrado em Informatica´ Escola de Engenharia UNIVERSIDADE DO MINHO Braga, 2005 LU´IS GONZAGA MARTINS FERREIRA FORMALIZING MARKUP LANGUAGES FOR USER INTERFACE Dissertac¸ao˜ submetida a` Universidade do Minho para obtenc¸ao˜ do grau de Mestre em Informatica,´ ar´ ea de especializac¸ao˜ em Sistemas Distribu´ıdos, Comunicac¸oes˜ por Computador e Arquitectura de Computadores, elabo- rada sob a orientac¸ao˜ do Professor Doutor Jose´ Nuno de Oliveira, Pro- fessor Associado do Departamento de Informatica´ da Universidade do Minho. Dissertac¸ao˜ desenvolvida no ambitoˆ do Projecto EUREKA IKF (E!2235) Escola de Engenharia UNIVERSIDADE DO MINHO Braga, 2005 A` Ana, Aninhas e Ritinha Abstract This document presents a Dissertation theme, as integral part of Masters Degree in Distributed Systems, Computers Architecture and Computers Communication. The work has as primary objective the application of formal methods in the specifi- cation of presentation layer. Even reaching several relevance HCI concerns, the scope focus essentially on the way how formal methods can be explored to specify user in- terfaces described using markup languages. The state-of-the-art analysis of user interface markup languages and UIML - User Interface Markup Language formal specification are main contributions. Therefore the tabular graphical object OLAP main features are formally specified in VDM-SL and animated using UIML. This research should be considered as a contribution towards a definition of a visual component library , with user interfaces components composition and reuse. i Acknowledgements I would like to thank my supervisor Professor Jose´ Nuno Oliveira, member of DI (Department of Informatics, Minho University1), who encouraged all formal methods research and initiatives at the University, for his useful support and advice during this work. -
Formalized Mathematics in the Lean Proof Assistant
Formalized mathematics in the Lean proof assistant Robert Y. Lewis Vrije Universiteit Amsterdam CARMA Workshop on Computer-Aided Proof Newcastle, NSW June 6, 2019 Credits Thanks to the following people for some of the contents of this talk: Leonardo de Moura Jeremy Avigad Mario Carneiro Johannes Hölzl 1 38 Table of Contents 1 Proof assistants in mathematics 2 Dependent type theory 3 The Lean theorem prover 4 Lean’s mathematical libraries 5 Automation in Lean 6 The good and the bad 2 38 bfseries Proof assistants in mathematics Computers in mathematics Mathematicians use computers in various ways. typesetting numerical calculations symbolic calculations visualization exploration Let’s add to this list: checking proofs. 3 38 Interactive theorem proving We want a language (and an implementation of this language) for: Defining mathematical objects Stating properties of these objects Showing that these properties hold Checking that these proofs are correct Automatically generating these proofs This language should be: Expressive User-friendly Computationally eicient 4 38 Interactive theorem proving Working with a proof assistant, users construct definitions, theorems, and proofs. The proof assistant makes sure that definitions are well-formed and unambiguous, theorem statements make sense, and proofs actually establish what they claim. In many systems, this proof object can be extracted and verified independently. Much of the system is “untrusted.” Only a small core has to be relied on. 5 38 Interactive theorem proving Some systems with large -
1. with Examples of Different Programming Languages Show How Programming Languages Are Organized Along the Given Rubrics: I
AGBOOLA ABIOLA CSC302 17/SCI01/007 COMPUTER SCIENCE ASSIGNMENT 1. With examples of different programming languages show how programming languages are organized along the given rubrics: i. Unstructured, structured, modular, object oriented, aspect oriented, activity oriented and event oriented programming requirement. ii. Based on domain requirements. iii. Based on requirements i and ii above. 2. Give brief preview of the evolution of programming languages in a chronological order. 3. Vividly distinguish between modular programming paradigm and object oriented programming paradigm. Answer 1i). UNSTRUCTURED LANGUAGE DEVELOPER DATE Assembly Language 1949 FORTRAN John Backus 1957 COBOL CODASYL, ANSI, ISO 1959 JOSS Cliff Shaw, RAND 1963 BASIC John G. Kemeny, Thomas E. Kurtz 1964 TELCOMP BBN 1965 MUMPS Neil Pappalardo 1966 FOCAL Richard Merrill, DEC 1968 STRUCTURED LANGUAGE DEVELOPER DATE ALGOL 58 Friedrich L. Bauer, and co. 1958 ALGOL 60 Backus, Bauer and co. 1960 ABC CWI 1980 Ada United States Department of Defence 1980 Accent R NIS 1980 Action! Optimized Systems Software 1983 Alef Phil Winterbottom 1992 DASL Sun Micro-systems Laboratories 1999-2003 MODULAR LANGUAGE DEVELOPER DATE ALGOL W Niklaus Wirth, Tony Hoare 1966 APL Larry Breed, Dick Lathwell and co. 1966 ALGOL 68 A. Van Wijngaarden and co. 1968 AMOS BASIC FranÇois Lionet anConstantin Stiropoulos 1990 Alice ML Saarland University 2000 Agda Ulf Norell;Catarina coquand(1.0) 2007 Arc Paul Graham, Robert Morris and co. 2008 Bosque Mark Marron 2019 OBJECT-ORIENTED LANGUAGE DEVELOPER DATE C* Thinking Machine 1987 Actor Charles Duff 1988 Aldor Thomas J. Watson Research Center 1990 Amiga E Wouter van Oortmerssen 1993 Action Script Macromedia 1998 BeanShell JCP 1999 AngelScript Andreas Jönsson 2003 Boo Rodrigo B. -
Internet & Website Establishments
Chapter 1 INTERNET & WEBSITE ESTABLISHMENTS 1.0 Objectives 1.1 Introduction 1.2 Internet Resources for Commerce 1.3 Web server technologies 1.4 Internet tools Relevant to Commerce 1.5 Internet applications for Commerce 1.6 Minimalist Website Establishment 1.7 Summary 1.8 Check your Progress- Answers 1.9 Questions for Self-Study 1.10 Suggested Readings 1.0 OBJECTIVES After studying this chapter you will be able to : • explain internet resources available for commerce. • discuss different web server technologies. • describe applications and internet tools relevant to commerce • explain what is minimalist website establishment. 1.1 INTRODUCTION The Internet has revolutionized the computer and communications world like nothing before. The invention of the telegraph, telephone, radio, and computer set the stage for this unprecedented integration of capabilities. The Internet is at once a world- wide broadcasting capability, a mechanism for information dissemination, and a medium for collaboration and interaction between individuals and their computers without regard for geographic location. The Internet represents one of the most successful examples of the benefits of sustained investment and commitment to research and development of information infrastructure. Beginning with the early research in packet switching, the government, industry and academia have been partners in evolving and deploying this exciting new technology. Today, terms like "[email protected]" and "http://www.google.com" trip lightly off the tongue of the random person on the street. The Internet today is a widespread information infrastructure, the initial prototype of what is often called the National (or Global or Galactic) Information Infrastructure. Its history is complex and involves many aspects - technological, organizational, and community.