Stack implementation in Java
... Memory leaks in Java? As the stack grows and shrinks objects that were popped off will not be garbage collected ...
... Memory leaks in Java? As the stack grows and shrinks objects that were popped off will not be garbage collected ...
Parts vs. the whole in the procedural logic hierarchy.
... global variables (4, p. 71): For now, this text will use global variables—variables that are given a type and name once, and then used in all modules of the program. global variable (4, p. 344): A global variable is one that is available to every module in a program. That is, every module has access ...
... global variables (4, p. 71): For now, this text will use global variables—variables that are given a type and name once, and then used in all modules of the program. global variable (4, p. 344): A global variable is one that is available to every module in a program. That is, every module has access ...
pptx
... Higher-order functions The “magic”: How do we use the “right environment” for lexical scope when functions may return other functions, store them in data structures, etc.? Lack of magic: The interpreter uses a closure data structure (with two parts) to keep the environment it will need to use later ...
... Higher-order functions The “magic”: How do we use the “right environment” for lexical scope when functions may return other functions, store them in data structures, etc.? Lack of magic: The interpreter uses a closure data structure (with two parts) to keep the environment it will need to use later ...
Continuations in Scheme
... Scheme’s functional approach • Scheme provides some primitive built-ins that can create these and other control functions • call-with-current-continuation is the main one – typically also bound to call/cc • call/cc provides a way to escape out of computation to someplace higher on the stack • It’s ...
... Scheme’s functional approach • Scheme provides some primitive built-ins that can create these and other control functions • call-with-current-continuation is the main one – typically also bound to call/cc • call/cc provides a way to escape out of computation to someplace higher on the stack • It’s ...
continuations
... Scheme’s functional approach • Scheme provides some primitive built-ins that can create these and other control functions • call-with-current-continuation is the main one – typically also bound to call/cc • call/cc provides a way to escape out of computation to someplace higher on the stack • It’s ...
... Scheme’s functional approach • Scheme provides some primitive built-ins that can create these and other control functions • call-with-current-continuation is the main one – typically also bound to call/cc • call/cc provides a way to escape out of computation to someplace higher on the stack • It’s ...
Slides4
... The instruction is executed – the control unit causes the ALU to do the proper operation based on the op-code A Jump instruction may change the program ...
... The instruction is executed – the control unit causes the ALU to do the proper operation based on the op-code A Jump instruction may change the program ...
Symbolic address
... • When a subroutine is called, the main program must transfer the data it wishes the subroutine to work with. • It is necessary for the subroutine to have access to data from the calling program and to return results to that program. • The accumulator can be used for a single input parameter and a s ...
... • When a subroutine is called, the main program must transfer the data it wishes the subroutine to work with. • It is necessary for the subroutine to have access to data from the calling program and to return results to that program. • The accumulator can be used for a single input parameter and a s ...
Lecture 1 - Thurs., 1/25/07
... – brings those parts together – makes sure the parts are consistent with each other – creates an executable file ...
... – brings those parts together – makes sure the parts are consistent with each other – creates an executable file ...
Introduction to Haskell(1)
... Simple functions are used to define more complex ones, which are used to define still more complex ones, and so on. Finally, we define a function to compute the output of the entire program from its inputs. If you can write function definitions, you can write functional programs! ...
... Simple functions are used to define more complex ones, which are used to define still more complex ones, and so on. Finally, we define a function to compute the output of the entire program from its inputs. If you can write function definitions, you can write functional programs! ...
Slide 1
... that stores and manipulates information under the control of a changeable program that is stored in its memory.” – Pocket calculator: not a computer ! Manipulates information, but is built to do a specific task (no changeable stored program) • This model is named the “von Neumann architecture” (John ...
... that stores and manipulates information under the control of a changeable program that is stored in its memory.” – Pocket calculator: not a computer ! Manipulates information, but is built to do a specific task (no changeable stored program) • This model is named the “von Neumann architecture” (John ...
My Python-oriented slides
... • While and for loops test at the top. • For loops build loop control variables into the syntax. • >>> for x in range(1,5): sys.stdout.write(str(x) + " ") ...
... • While and for loops test at the top. • For loops build loop control variables into the syntax. • >>> for x in range(1,5): sys.stdout.write(str(x) + " ") ...
Functional Programming: Introduction Introduction (Cont.)
... • A program consists of S-expressions ("symbolic expressions") written in parenthesized prefix form. – "Prefix form": The name of the function appears before the arguments to the function, even for mathematical functions like +, –, *, and /. – The general form of an S-expression in prefix-form is: ( ...
... • A program consists of S-expressions ("symbolic expressions") written in parenthesized prefix form. – "Prefix form": The name of the function appears before the arguments to the function, even for mathematical functions like +, –, *, and /. – The general form of an S-expression in prefix-form is: ( ...
Functional and Imperative Programming
... tion does. What if some other function changed This perhaps gets a list of (first name, last name) globalvar between calls as well? Hopefully you can pairs from a database. But note how we haven’t see that modelling this function as a black box said how this should be done: the statement is with a s ...
... tion does. What if some other function changed This perhaps gets a list of (first name, last name) globalvar between calls as well? Hopefully you can pairs from a database. But note how we haven’t see that modelling this function as a black box said how this should be done: the statement is with a s ...
CIS 265/506 Midterm Review
... 5. Comparing Strings: == vs. equals method; other String methods: charAt, compareTo, indexOf, concat, toUpper, toLower, substring (2 versions of this method). 6. Creating objects using new operator and constructor. 7. User-defined methods – methods have return type and parameters; primitive types ar ...
... 5. Comparing Strings: == vs. equals method; other String methods: charAt, compareTo, indexOf, concat, toUpper, toLower, substring (2 versions of this method). 6. Creating objects using new operator and constructor. 7. User-defined methods – methods have return type and parameters; primitive types ar ...
Applied Programming and Computer Science, DD2325
... Atsuto Maki, CSC/KTH Niyazi Cem Degirmenci, Teaching Assistant, CSC/KTH Alex Loiko, Teaching Assistant, CSC/KTH Fredrika Agestam, Teaching Assistant, CSC/KTH Carina Edlund, Administration Assistant, CSC/KTH The course contents are given through: Lectures Exercises/Labs (Primary contact: [email protected] ...
... Atsuto Maki, CSC/KTH Niyazi Cem Degirmenci, Teaching Assistant, CSC/KTH Alex Loiko, Teaching Assistant, CSC/KTH Fredrika Agestam, Teaching Assistant, CSC/KTH Carina Edlund, Administration Assistant, CSC/KTH The course contents are given through: Lectures Exercises/Labs (Primary contact: [email protected] ...
Assembly 1
... The programmer is aware of other issues, such as the way in which the stack is implemented and the different ways in which a memory address can be formed. The instructions can be grouped according to general function. There are usually 1-byte instructions to do nothing (NOP) or to halt the instructi ...
... The programmer is aware of other issues, such as the way in which the stack is implemented and the different ways in which a memory address can be formed. The instructions can be grouped according to general function. There are usually 1-byte instructions to do nothing (NOP) or to halt the instructi ...
Week 7 - Software Tools
... # Only spaces, tabs, and newlines are significant # A great language for security since a program can be printed onto plain paper and stored without worrying about an adversary reading the code ☺ ...
... # Only spaces, tabs, and newlines are significant # A great language for security since a program can be printed onto plain paper and stored without worrying about an adversary reading the code ☺ ...
Powerpoint ()
... • Uses the def reserved word • Everything is public by default • The result of the last expression in the function is what is returned - no need for return (which should be avoided) ...
... • Uses the def reserved word • Everything is public by default • The result of the last expression in the function is what is returned - no need for return (which should be avoided) ...
DOC
... application of a function "+" in this case we write usually a1 + a2 = "infix notation" The function symbol stands between the two operands in prefix notation it would be +(a1, a2) Disadvantages of infix notation: only possible for 2 arguments danger of ambiguities: a1 + a2 * a3 must be resolve ...
... application of a function "+" in this case we write usually a1 + a2 = "infix notation" The function symbol stands between the two operands in prefix notation it would be +(a1, a2) Disadvantages of infix notation: only possible for 2 arguments danger of ambiguities: a1 + a2 * a3 must be resolve ...
Executable code
... Output: It is not necessary to make a separate call to printf for each line of output ! ...
... Output: It is not necessary to make a separate call to printf for each line of output ! ...
Problem Set 2
... natural subrecursive class are the elementary functions. An interesting issue is whether there is a subrecursive PL for the polynomial time computable functions. There are several, and they are more complex to define. We obtain a nice definition by introducing step counting in subrecursive languages ...
... natural subrecursive class are the elementary functions. An interesting issue is whether there is a subrecursive PL for the polynomial time computable functions. There are several, and they are more complex to define. We obtain a nice definition by introducing step counting in subrecursive languages ...
Common to ISE-1&2 Note:
... 6. a. Write a C program to count number of characters, number of lines and number of white spaces from a file. (06M) b. Define Preprocessor directives. Describe various preprocessors with example. (04M) 7. Given two files “ramayana.in” and “mahabharata.in” contains some details in these two files. W ...
... 6. a. Write a C program to count number of characters, number of lines and number of white spaces from a file. (06M) b. Define Preprocessor directives. Describe various preprocessors with example. (04M) 7. Given two files “ramayana.in” and “mahabharata.in” contains some details in these two files. W ...
Powerpoint ()
... • Uses the def reserved word • Everything is public by default • The result of the last expression in the function is what is returned - no need for return (which should be avoided) ...
... • Uses the def reserved word • Everything is public by default • The result of the last expression in the function is what is returned - no need for return (which should be avoided) ...
