Brace placement style. A lot of people tend to be very religious about this.
# The best way...
if (something)
{
do something;
do some more;
}
else
{
whatever;
whatever;
}
# The acceptable style:
if (something)
{
do something;
do some more;
}
else
{
whatever;
whatever;
}
# The classic K&R style (ugh):
if (something) {
do something;
do some more;
} else {
whatever;
whatever;
}
# The conversational style...
if (something) {do something; do some more} else {whatever; whatever}
I'm not sure if there's any major variants that I've missed.