multiple-conditions
Multiple ‘or’ condition in Python [duplicate]
Use not in and a sequence: if fields[9] not in (‘A’, ‘D’, ‘E’, ‘N’, ‘R’): which tests against a tuple, which Python will conveniently and efficiently store as one constant. You could also use a set literal: if fields[9] not in {‘A’, ‘D’, ‘E’, ‘N’, ‘R’}: but only more recent versions of Python (Python 3.2 … Read more
I use OR to form a multiple condition IF ELSE statement on VBA, it’s not working
Using the line below is incorrect: ElseIf (Selection.Value = “hold to console” Or “Hold to console” Or “Allocated 14/12 and ship next day”) Then You need to add Selection.Value = before each condition, see line below: ElseIf Selection.Value = “hold to console” Or Selection.Value = “Hold to console” Or Selection.Value = “Allocated 14/12 and ship … Read more
What is better: multiple “if” statements or one “if” with multiple conditions?
One golden rule I follow is to “Avoid Nesting” as much as I can. But if it is at the cost of making my single if condition too complex, I don’t mind nesting it out. Besides you’re using the short-circuit && operator. So if the boolean is false, it won’t even try matching! So, if … Read more
Filter multiple values on a string column in dplyr
You need %in% instead of ==: library(dplyr) target <- c(“Tom”, “Lynn”) filter(dat, name %in% target) # equivalently, dat %>% filter(name %in% target) Produces days name 1 88 Lynn 2 11 Tom 3 1 Tom 4 222 Lynn 5 2 Lynn To understand why, consider what happens here: dat$name == target # [1] FALSE FALSE FALSE … Read more