[MECpp]Item-18 Amortize the Cost of Expected Computations
· β 3 min read
The old Computer Science story: trade space for time1.
Technique
[MECpp]Item-17 Consider Using Lazy Evaluation
· β 4 min read
The best computations are those we never perform at all.
[MECpp]Item-16 Remember 80-20 Rule
· β 1 min read
The 80-20 rule states that 80 percent of a program’s resources are used by about 20 percent of the code.
[MECpp]Item-15 Understand the Costs of Exception Handling
· β 2 min read
Exception handling has costs, and we pay at least some of them even if we never use the keywords try, throw, or catch.
[MECpp]Item-14 Use Exception Specifications Judiciously
· β 3 min read
Exception specifications provide a documentation aid and an enforcement mechanism for constraints on exception usage, but they are only partly checked by compilers and they are easy to violate inadvertently.
