specify

Trouble using command-line when installing SQL Server on Windows 7

I'm having trouble using this command when installing SQL Server 2005 Express with Advanced Services on Windows 7 (French settings): "\\server01\installer\DVD\Component\SQLEXPRESS_ADV\Français\Win7\SQLEXPR_ADV.EXE" -q /norebootchk reboot=ReallySuppress ADDLOCAL=ALL ADDUSERASADMIN=1 SECURITYMODE=SQL DISABLENETWORKPROTOCOLS=0 SQLAUTOSTART...

how to specify which child class this object belong to after retrieving from a hashmap?

hi everyone, i have a parent class called Course, and two child class PostgradCourse and UndergradCourse. i have a hashmap HashMap courses; i store all the postgradCourse and undergradCourse objects in the hashmap. i want to retrieve an undergradCourse object from the hashmap using the key. Course course = courses.get(courseCode); t...

Why use constants in programming?

I've just been going back over a bit of C studying using Ivor Horton's Beginning C book. I got to the bit about declaring constants which seems to get mixed up with variables in the same sentence. Just to clarify, what is the difference in specifying constants and variables in C, and really, when do you need to use a constant instead of...