... computer programs. All programming languages are formal languages. natural language: Any of the languages people speak that have evolved nat- urally. portability: A property of a program that can run ... are declarations, assignments, and print state- ments. declaration: A statement that creates a new variable and determines its type. assignment: A statement that assigns a value to a variable. expression: ... important here: the name of the variable we pass as an argument (argument) has nothing to do with the name of the parameter (phil). Let me say that again: The name of the variable we pass as an argument...
Ngày tải lên: 19/01/2014, 16:20
... evolved naturally. Formal languages are languages that are designed by people for specific applications. For example, the notation that mathematicians use is a formal language that is particularly good ... Formal and natural languages 5 1.4 Formal and natural languages Natural languages are the languages people speak, such as English, Spanish, and French. They were not designed by people (although ... draw a stack diagram. Like state diagrams, stack diagrams show the value of each variable, but they also show the function each variable belongs to. Each function is represented by a frame. A...
Ngày tải lên: 06/03/2014, 16:20
How to Think Like a Computer Scientist pot
... than what the programmer intended. semantics: The meaning of a program. natural language: Any one of the languages that people speak that evolved naturally. formal language: Any one of the languages ... the syntactic structure of a program, analo- gous to a word in a natural language. parse: To examine a program and analyze the syntactic s tructure. print statement: An instruction that causes ... is a small disadvantage of high-level languages. But the advantages are enormous. First, it is much easier to program in a high- level language. Programs written in a high-level language take...
Ngày tải lên: 14/03/2014, 15:20
Think Python: How to Think Like a Computer Scientist pptx
... pur- poses, like representing mathematical ideas or computer programs. All programming languages are formal languages. natural language: Any of the languages people speak that have evolved nat- urally. interpret: ... evolved naturally. Formal languages are languages that are designed by people for specific applications. For example, the notation that mathematicians use is a formal language that is particularly ... powerful features of a programming language is the ability to manipulate variables. A variable is a named lo c ation that stores a value. Just as there are different types of values (integer, character,...
Ngày tải lên: 23/03/2014, 22:21
content marketing think like a publisher - how to use content to market online and in social media
Ngày tải lên: 29/05/2014, 23:45
Think like a freak: Steven D. Levitt and Stephen J. Dubner
Ngày tải lên: 05/06/2014, 05:28