IT Nursery
What is the best way to emulate a do-while loop in Bash? I could check for the condition before entering the while loop, and then continue re-checking the condition...
Many Python programmers are probably unaware that the syntax of while loops and for loops includes an optional else: clause: for val in iterable: do_something(val) else: clean_up() The body...
This question already has answers here: PHP foreach loop key value (4 answers) Closed 2 years ago. My associative array: $arr = array( 1 => "Value1", 2 => "Value2",...
So I’m trying to make this program that will ask the user for input and store the values in an array / list. Then when a blank line is...
I know that there were a lot of topics like this. And I know the basics: .forEach() operates on original array and .map() on the new one. In my...
What is the best way to guard against null in a for loop in Java? This seems ugly : if (someList != null) { for (Object object : someList)...
There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you’d use one way over the other. First type: List<string> someList...
I have a loop that looks something like this: for (int i = 0; i < max; i++) { String myString = ...; float myNum = Float.parseFloat(myString); myFloats[i] =...
I try with a loop like that // ArrayList tourists for (Tourist t : tourists) { if (t != null) { t.setId(idForm); } } But it isn’t nice. Can...
I have a big performance problem in R. I wrote a function that iterates over a data.frame object. It simply adds a new column to a data.frame and accumulates...