Week 8 Jordan Jozwiak. CS50. Announcements. Problem Set 5 has been returned Final Project's Pre-Proposal is due by 11:00am on Mon 11/7, per the spec 10 minute meetings? Saturday? Doodle. Pset6 Feedback. Char* vs. char [LENGTH + 1] Hash function in relation to hash table size
sets permissions to read and write for user,
and read permissions for everyone else
Gives execute permissions for user. The first character can be also be a “g” (group), “o” (other), or “a” (all); the ‘+’ can be a ‘-’ for taking away permissions, and the final letter can be ‘x’, ‘r’, or ‘w’.
<p style="align: center">This is centered</p>
declarations; align: center;
Don’t forget the semicolon!
int a = 3;
char *s = "hello";
s = s + a; // won’t compiled
$a = 3;
$s = "hello";
$s = $s . $a; // gives "hello 3"
WARNING: It is always important to ‘escape’ the contents of any string passed by the user which is to be included in a database query.
"INSERT INTO students VALUE ('<user string');"
What could possibly go wrong?