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Performance is a subset of Optimization: performance is the goal when you want the execution time of your program or routine to be optimal.
1
vote
Directory that lists employee information - follow-up
Using subselects may help alleviate the issues requiring distinct grouping statements, and also will prevent the inner joins from removing employees who haven't been assigned titles or departments (al …
3
votes
Accepted
Responsive jQuery restaurant menu system
Some of your code is redundant. These two lines are mutually exclusive. Especially since you add "active" to the first menu item, which is the only one which would satisfy !active.
if (!active) {
…