Csc253 Assignment Of Contract

CSC 253/453 Dynamic Language & Software Development

Prerequisites: CSC 252 and CSC 254 are required for CSC 453 and recommended for others. Familiarity with a dynamic programming language such as Python.
Crosslisted: TCS 453

This course studies dynamically-typed programming languages and modular software development. Topics include principles and practice of modular design, functional and object-oriented programming techniques, software engineering concepts, software correctness and reliability, programming tools, and design examples. Ruby is used as the main instruction language. The lessons complement those in traditional compilers and programming languages courses, which focus mainly on statically-typed languages and individual algorithms rather than system design. A significant portion of the assignment is a group project.

Teaching Staff and office hours:  Prof. Chen Ding, Fridays 11am to 12pm in CSB 720; John Jacobs, Thursdays 3:30-4:30pm in CSB 720.

Preparation (before first class):

“No Silver Bullet — Essence and Accidents of Software Engineering” is a classic paper on software engineering written by Turing Award winner Fred Brooks in 1986.  Read the paper (available here if accessed inside the UR network) especially pages 3 to 5 on the “essential difficulties” of software development.

“A former member of the SD10 Panel on Computing in Support of Battle Management explains why he believes the ‘star wars’ effort will not achieve its stated goals.”  Read the paper (available here if accessed inside the UR network) pages 2 to 4 the section titled “Why software is unreliable.”  Which of the “essential difficulties” was Parnas discussing?

More background of this debate, detailed rationales and an illuminating discussion of the ethical issues can be found in another article of Parnas: “SDI: A Violation of Professional Responsibility”.  The article does not seem to have a free version online, but you can read it by borrowing the book “Software Fundamentals” (included as Chapter 27) from the textbook reserve for CSC 253/453 at the Carlson Library.  The lease is two hours.

Further material will be distributed through the Blackboard web site  for students who have registered.  Contact the instructor if you have problem accessing the site.

Textbooks:
Design patterns in Ruby
Author: Olsen, Russ.
Imprint: Upper Saddle River, NJ : Addison-Wesley, c2008.
On Reserve at: Internet

Fundamentals of software engineering
Author: Ghezzi, Carlo.
Imprint: Upper Saddle River, N.J. : Prentice Hall, c2003.
On Reserve at: Carlson Library Reserve Desk 2nd Floor
Call Number: QA76.758 .G47 2003

Object-oriented and classical software engineering
Author: Schach, Stephen R.
Imprint: New York : McGraw-Hill, c2011.
On Reserve at: Carlson Library Reserve Desk 2nd Floor
Call Number: QA76.758 .S318 2011

PROGRAMMING LANGUAGE PRAGMATICS, 3rd ed
Author: Scott, Michael L.
On Reserve at: Carlson Library Reserve Desk 2nd Floor
Call Number: CRL PersCpy

Software fundamentals : collected papers by David L. Parnas
Author: Parnas, David Lorge.
Imprint: Boston : Addison-Wesley, 2001.
On Reserve at: Carlson Library Reserve Desk 2nd Floor
Call Number: QA76.754 .P365 2001

Programming Languages: Application and Interpretation (http://cs.brown.edu/~sk/Publications/Books/ProgLangs/2007-04-26/)
Copyright © 2003-07, Shriram Krishnamurthi
(Also see Prof. Findler’s course EECS 321 at https://www.eecs.northwestern.edu/~robby/courses/)

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cs253, teaching

Тот факт, что в лаборатории систем безопасности никого нет, а монитор был выключен, больше не имело значения. Главное теперь - сам «ТРАНСТЕКСТ». Чатрукьян немедленно вывел на дисплей список файлов, загружавшихся в машину в последние сорок восемь часов, и начал его просматривать. «Неужели попал зараженный файл? - подумал.  - Неужели фильтры безопасности что-то пропустили?» В целях безопасности каждый файл, загруженный в «ТРАНСТЕКСТ», должен был пройти через устройство, именуемое «Сквозь строй», - серию мощных межсетевых шлюзов, пакетных фильтров и антивирусных программ, которые проверяли вводимые файлы на предмет компьютерных вирусов и потенциально опасных подпрограмм.

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