160-Lab06BKG - Western Oregon University
... tasks. Let’s elaborate on three important terms in the previous sentence: algorithm, effective, and efficient. “An algorithm is an ordered set of unambiguous, executable steps that defines a terminating process” (Brookshear, Computer Science: An Overview, 2007). An algorithm is effective if it finds ...
... tasks. Let’s elaborate on three important terms in the previous sentence: algorithm, effective, and efficient. “An algorithm is an ordered set of unambiguous, executable steps that defines a terminating process” (Brookshear, Computer Science: An Overview, 2007). An algorithm is effective if it finds ...
Why (and Why Not) to Use Fortran - Instead of C++, Matlab, Python
... Can be easier to use than the others if • you don’t know any of the languages, or • it or a toolbox matches your requirement, or • you just want to do some prototyping, or • you don’t need immense efficiency Some of benefits with a Fortran or C++ library! For example, NAG, Netlib, and many others ⇒ ...
... Can be easier to use than the others if • you don’t know any of the languages, or • it or a toolbox matches your requirement, or • you just want to do some prototyping, or • you don’t need immense efficiency Some of benefits with a Fortran or C++ library! For example, NAG, Netlib, and many others ⇒ ...
Dept. of CSE, BUAA
... A Host + terminals – networked workstations – C/S model – Distributed object/component-based computation Unix Programming Environment ...
... A Host + terminals – networked workstations – C/S model – Distributed object/component-based computation Unix Programming Environment ...
Introduction to PYTHON
... Python is an easy to learn, extremely usable, high-level, general purpose, powerful interpreting programming language. It has efficient high-level data structures and a simple but effective approach to objectoriented programming. Python’s elegant syntax and dynamic typing, together with its in ...
... Python is an easy to learn, extremely usable, high-level, general purpose, powerful interpreting programming language. It has efficient high-level data structures and a simple but effective approach to objectoriented programming. Python’s elegant syntax and dynamic typing, together with its in ...
9 Embedding SQL into Programming languages 9.1 Introduction
... Language mismatch ("impedance mismatch") • Set oriented operations versus manipulation of individuals -> Objects vs. Relations • How to interconnect program variables and e.g attributes in SQL statements? • Should an SQL-statement as part of a program be ...
... Language mismatch ("impedance mismatch") • Set oriented operations versus manipulation of individuals -> Objects vs. Relations • How to interconnect program variables and e.g attributes in SQL statements? • Should an SQL-statement as part of a program be ...
Chapter 7 Review Questions (Word)
... An SQL view is a virtual table constructed from database tables or other views. The ANSI/SPARC external schema/user view is a particular view of a portion of the database as seen by an end user through a form in an application. While an SQL view is based on a single SELECT statement, the user view s ...
... An SQL view is a virtual table constructed from database tables or other views. The ANSI/SPARC external schema/user view is a particular view of a portion of the database as seen by an end user through a form in an application. While an SQL view is based on a single SELECT statement, the user view s ...
TCP/UDP Sockets
... • Connect() is typically used with UDP when communication is with a single peer only. • It is possible to disconnect and connect the same socket to a new peer – More efficient to send multiple datagrams to the ...
... • Connect() is typically used with UDP when communication is with a single peer only. • It is possible to disconnect and connect the same socket to a new peer – More efficient to send multiple datagrams to the ...
PolyP | a polytypic programming language extension
... This e ect is achieved by writing programs such that they work for large classes of datatypes. Consider for example the function length :: List a -> Int, which counts the number of values of type a in a list. There is a very similar function length :: Tree a -> Int, which counts the number of occurr ...
... This e ect is achieved by writing programs such that they work for large classes of datatypes. Consider for example the function length :: List a -> Int, which counts the number of values of type a in a list. There is a very similar function length :: Tree a -> Int, which counts the number of occurr ...
LISP:Power and Elegance in ONE
... – A set is made up of objects. In mathematics a set is represented like so {A, B, C,}. In lisp, this simple set would look like (A B C). A more complex set- (A (B C) 123) ...
... – A set is made up of objects. In mathematics a set is represented like so {A, B, C,}. In lisp, this simple set would look like (A B C). A more complex set- (A (B C) 123) ...
PypeR, A Python Package for Using R in Python
... data types in R since some NumPy arrays cannot be converted to R arrays correctly. For example, in RPy a NumPy 1-dimension record array, the analogue of an R data frame, will be converted to a one-column R array and it will not be treated as a table any more. More importantly, R and NumPy “understan ...
... data types in R since some NumPy arrays cannot be converted to R arrays correctly. For example, in RPy a NumPy 1-dimension record array, the analogue of an R data frame, will be converted to a one-column R array and it will not be treated as a table any more. More importantly, R and NumPy “understan ...
Lecture10
... Makes the subnet structure of a network invisible outside the organization’s private network. External Internet does not need to know internal subnet structure. To reach any host, external routers only need to know the path to the “gateway” router for the entire subnetwork. Subnetting reduces the si ...
... Makes the subnet structure of a network invisible outside the organization’s private network. External Internet does not need to know internal subnet structure. To reach any host, external routers only need to know the path to the “gateway” router for the entire subnetwork. Subnetting reduces the si ...
An introduction to C++ template programming
... programming styles supported by C++11. Note that using classes in C++ does not by itself constitute object-oriented programming. The term “class” is used rather widely for user-defined types in C++ and more or less interchangeably with struct. If one does not use inheritance and in particular virtua ...
... programming styles supported by C++11. Note that using classes in C++ does not by itself constitute object-oriented programming. The term “class” is used rather widely for user-defined types in C++ and more or less interchangeably with struct. If one does not use inheritance and in particular virtua ...
TCP/UDP Sockets
... – (family, string_ptr, address_ptr) – Convert IP address string to network byte ordered 32 or 128 bit value – 1 on success, -1 on failure, 0 on invalid input ...
... – (family, string_ptr, address_ptr) – Convert IP address string to network byte ordered 32 or 128 bit value – 1 on success, -1 on failure, 0 on invalid input ...
Object Oriented Programming
... Summary • Object-oriented Programming (OOP) is a methodology of programming where new types of objects are defined • An object is a single software unit that combines attributes and methods • An attribute is a “characteristic” of an object; it’s a variable associated with an object (“instance varia ...
... Summary • Object-oriented Programming (OOP) is a methodology of programming where new types of objects are defined • An object is a single software unit that combines attributes and methods • An attribute is a “characteristic” of an object; it’s a variable associated with an object (“instance varia ...
dist-prog2
... Most parallel languages talk about processes: – these can be on different processors or on different computers ...
... Most parallel languages talk about processes: – these can be on different processors or on different computers ...
A counterexample-guided abstraction
... to efficient generation and analysis [Clarke et al. 2002]. We show that generating the smallest counterexample is NP-complete. Moreover it is unlikely to be efficiently approximable. However, in spite of these negative results, we show that there is a very simple polynomial time algorithm that gener ...
... to efficient generation and analysis [Clarke et al. 2002]. We show that generating the smallest counterexample is NP-complete. Moreover it is unlikely to be efficiently approximable. However, in spite of these negative results, we show that there is a very simple polynomial time algorithm that gener ...
Practical Type Inference Based on Success Typings
... considerably obstructs program maintenance. In many cases, it is extremely difficult to recall or decipher how a particular piece of code — often written by some other programmer years ago — can be used. Comments are unreliable, often cryptic and confusing, and more often than not rotten. The progra ...
... considerably obstructs program maintenance. In many cases, it is extremely difficult to recall or decipher how a particular piece of code — often written by some other programmer years ago — can be used. Comments are unreliable, often cryptic and confusing, and more often than not rotten. The progra ...
Executable Formal Specifications with Clojure
... immutable data, pure functions are not characteristic only to functional programming: nothing prevents writing pure functions with imperative programming languages, even though it is not natural to the paradigm. Although pure functions have advantages over impure functions, they are needed in all ap ...
... immutable data, pure functions are not characteristic only to functional programming: nothing prevents writing pure functions with imperative programming languages, even though it is not natural to the paradigm. Although pure functions have advantages over impure functions, they are needed in all ap ...
Compiling Purely Functional Structured Programs
... In this style, we write lambda terms where evaluation order has been completely disambiguated so that any remaining side-effects (such as non-termination) have an explicit ordering. In CPS, every function takes a future dependent on the function’s result. The future, or continuation, receives this r ...
... In this style, we write lambda terms where evaluation order has been completely disambiguated so that any remaining side-effects (such as non-termination) have an explicit ordering. In CPS, every function takes a future dependent on the function’s result. The future, or continuation, receives this r ...
CS2504, Spring`2007 ©Dimitris Nikolopoulos
... CS has been raising the level of abstraction for almost 50 years Some indications that this trend may change in the ...
... CS has been raising the level of abstraction for almost 50 years Some indications that this trend may change in the ...
Design and Evaluation of Gradual Typing for Python
... the self parameter of all the functions in the class’ type. The type parameter 1DPoint represents the self type. We use the bind metafunction to convert function definitions from unbound form — with an explicit self-reference as their first parameter — to a form with this parameter already bound and ...
... the self parameter of all the functions in the class’ type. The type parameter 1DPoint represents the self type. We use the bind metafunction to convert function definitions from unbound form — with an explicit self-reference as their first parameter — to a form with this parameter already bound and ...
Programming with Coq
... Abstraction : remove a sub-expression from another expression, make it a variable Check 2 + 3. 2 + 3 : nat Check fun (x : nat) => x + 3. fun x : nat => x + 3 : nat -> nat The new expression is a function, usable like add3 or s3 2 1. ...
... Abstraction : remove a sub-expression from another expression, make it a variable Check 2 + 3. 2 + 3 : nat Check fun (x : nat) => x + 3. fun x : nat => x + 3 : nat -> nat The new expression is a function, usable like add3 or s3 2 1. ...