lecture #0 
january 24


course intro
- web page: http://www1.cs.columbia.edu/~cs3157
- labs:
      coms-w3257-002: wed 10.25am-12.25pm, in the clic lab (486 CSB)
      coms-w3257-001: wed 12.25pm-2.25pm, in the clic lab (486 CSB)
- the first lab will be held on wednesday jan 26.
- CS account:
	https://www.cs.columbia.edu/~crf/accounts
- textbooks:
	(1) Brian Kernighan and Dennis Ritchie. (2004) 
	The C Programming Language, 2nd Edition.
	(isbn 0131103628) publisher: Prentice Hall PTR.
	(2) Gregory Satir and Doug Brown. (2004) 
	C++ The Core Language.
	(isbn 156592116X) publisher: O'Reilly.
- assessment:
    * 4 homework assignments -- total of 40 points
    * 10 lab assignments -- total of 30 points
    * 3 exams -- total of 30 points
          o exam i (10 points) (tentatively scheduled for wed feb 23)
          o exam ii (10 points) (tentatively scheduled for wed mar 30)
          o exam iii (10 points) (tentatively scheduled for mon may 2) 
- academic integrity
- late policy
- regrade policy
- help
    * TAs
    * virtual OH
- about me and you


perl lecture #1 (of 2)
- basics
- program structure
- data types and variables
  - scalars ($)
  - arrays (@)
  - hashes (%)
  - context
- local and global variables
- global special variables
- statements
  - conditionals
  - loops
  - modifiers
- operators
- on-line documentation
  - http://www.comp.leeds.ac.uk/Perl/
  - http://www.perl.com
  - http://www.perldoc.com/perl5.6/pod/perlfunc.html