Using ST_Difference
12073
Using PostGIS to find the overall difference between two (large) polygon datasets
107819
Text difference algorithm
139815
find pair of numbers whose difference is an input value 'k' in an unsorted array
45289
Finding intersection/difference between python lists
142549
Floating point comparison with variable in bash
134101
how to subtract a constant value from a data file?
129504
How can I calculate the difference of 2 counters (pageref)?
147941
comparing sup and inf of two sets
12545
Calculate first difference by group in R
5412
What is the most effective way for float and double comparison?
100433
Limit of difference of two square roots
48866
How to compare two columns and find differences in Excel?
10303
Difference of the \dots*
146556
problems in floating point comparison
37935
Floating point comparison
32912
Getting the difference between two sets
53855
using underscore's “difference” method on arrays of objects